{"asset": "fuse-cross-reference-by-manufacturer-class", "asset_type": "equivalence", "body": "Which fuse catalog series from each major manufacturer (Edison, Brush/Dorman, Bussmann, Mersen/Gould, GEC/CEFCO, Littelfuse) is the interchangeable equivalent for a given UL fuse class (CC, RK1, RK5, J, T, L, Midget, ceramic/glass supplementals). One record is one fuse type/class/voltage combination, with each manufacturer's series designation printed against it, plus the amp rating that must be added to complete the catalog number. Answers 'what is the Bussmann equivalent of a Littelfuse KLKR fuse', 'I have an old panel fused with Gould A2D fuses, what do I replace them with', 'what class is an FRN-R fuse'. There is no federal or UL-published cross-reference; each manufacturer prints only its own outbound mapping (its series vs everyone else's), never a neutral grid, and distributor sites that do publish one (Bussmann's own cross-reference tool, Mersen's own page) still favour their own house brand and are JS-driven lookup tools rather than a static table a reader or an assistant can scan in one place.\n", "description": "Which fuse catalog series from each major manufacturer (Edison, Brush/Dorman, Bussmann, Mersen/Gould, GEC/CEFCO, Littelfuse) is the interchangeable equivalent for a given UL fuse class (CC, RK1, RK5, J, T, L, Midget, ceramic/glass supplementals). One record is one fuse type/class/voltage combination, with each manufacturer's series designation printed against it, plus the amp rating that must be added to complete the catalog number. Answers 'what is the Bussmann equivalent of a Littelfuse KLKR fuse', 'I have an old panel fused with Gould A2D fuses, what do I replace them with', 'what class is an FRN-R fuse'. There is no federal or UL-published cross-reference; each manufacturer prints only its own outbound mapping (its series vs everyone else's), never a neutral grid, and distributor sites that do publish one (Bussmann's own cross-reference tool, Mersen's own page) still favour their own house brand and are JS-driven lookup tools rather than a static table a reader or an assistant can scan in one place.", "file": "index.md", "generated": true, "harvested": "2026-08-31", "key_field": "fuse_class", "licence": "Facts extracted from a distributor's published cross-reference catalog (a factual compilation of manufacturer part-number equivalences), with a short attributed quote and a link back. Part-number cross-references are facts, not creative expression.", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf", "https://cdn.automationdirect.com/static/specs/efuserk1.pdf"], "stale_after": "2028-08-30", "title": "Low-voltage fuse cross-reference by UL class and manufacturer", "type": "dataset", "verified": false}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 1/4\u201dx1/4\u201d Ceramic\n\n> 1/4\u201dx1/4\u201d 250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting\n\n**Operating style:** Fast-Acting\n\n> 250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting 1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312\n\n**Voltage rating:** 250/125\n\n**Edison series:** ABC\n\n**Brush/Dorman series:** ABC\n\n**Bussmann series:** ABC\n\n**Mersen/Gould series:** GAB\n\n**Littelfuse series:** 314\n\n> 1/4\u201dx1/4\u201d 250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "ABC", "bussmann_series": "ABC", "edison_series": "ABC", "file": "abc-250-125-fast-acting-1-4-x1-4-ceramic.md", "fuse_class": "1/4\u201dx1/4\u201d Ceramic", "generated": true, "harvested": "2026-08-31", "id": "abc-250-125-fast-acting-1-4-x1-4-ceramic", "littelfuse_series": "314", "mersen_gould_series": "GAB", "operating_style": "Fast-Acting", "quote_fuse_class": "1/4\u201dx1/4\u201d 250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting", "quote_operating_style": "250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting 1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312", "source_quote": "1/4\u201dx1/4\u201d 250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "1/4\u201dx1/4\u201d Ceramic \u00b7 Fast-Acting \u00b7 250/125 \u00b7 ABC \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "fuse_class", "verified": false, "voltage_rating": "250/125"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 1/4\u201dx1/4\u201dGlass\n\n> 1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312\n\n**Operating style:** Fast-Acting\n\n> 250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting 1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312\n\n**Voltage rating:** 250/32\n\n**Edison series:** AGC\n\n**Brush/Dorman series:** AGC\n\n**Bussmann series:** AGC\n\n**Mersen/Gould series:** GGC\n\n**Littelfuse series:** 312\n\n> 1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "AGC", "bussmann_series": "AGC", "edison_series": "AGC", "file": "agc-250-32-fast-acting-1-4-x1-4-glass.md", "fuse_class": "1/4\u201dx1/4\u201dGlass", "generated": true, "harvested": "2026-08-31", "id": "agc-250-32-fast-acting-1-4-x1-4-glass", "littelfuse_series": "312", "mersen_gould_series": "GGC", "operating_style": "Fast-Acting", "quote_fuse_class": "1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312", "quote_operating_style": "250/125 ABC ABC ABC GAB \u2013 314 Ceramic Fast-Acting 1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312", "source_quote": "1/4\u201dx1/4\u201dGlass 250/32 AGC AGC AGC GGC \u2013 312", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "1/4\u201dx1/4\u201dGlass \u00b7 Fast-Acting \u00b7 250/32 \u00b7 AGC \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "250/32"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** RK5\n\n> Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR\n\n**Operating style:** Time-Delay Dual Element\n\n> Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR\n\n**Voltage rating:** 250\n\n**Edison series:** ECNR\n\n**Bussmann series:** FRN-R\n\n**Mersen/Gould series:** TR\n\n**Littelfuse series:** FLNR\n\n> Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "FRN-R", "edison_series": "ECNR", "file": "ecnr-250-time-delay-dual-element-rk5.md", "fuse_class": "RK5", "generated": true, "harvested": "2026-08-31", "id": "ecnr-250-time-delay-dual-element-rk5", "littelfuse_series": "FLNR", "mersen_gould_series": "TR", "operating_style": "Time-Delay Dual Element", "quote_fuse_class": "Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR", "quote_operating_style": "Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR", "source_quote": "Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "RK5 \u00b7 Time-Delay Dual Element \u00b7 250 \u00b7 ECNR \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "250"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** RK5\n\n> Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR\n\n**Operating style:** Time-Delay Dual Element\n\n> Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR\n\n**Voltage rating:** 600\n\n**Edison series:** ECSR\n\n**Bussmann series:** FRS-R\n\n**Mersen/Gould series:** TRS\n\n**Littelfuse series:** FLSR\n\n> RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "FRS-R", "edison_series": "ECSR", "file": "ecsr-600-time-delay-dual-element-rk5.md", "fuse_class": "RK5", "generated": true, "harvested": "2026-08-31", "id": "ecsr-600-time-delay-dual-element-rk5", "littelfuse_series": "FLSR", "mersen_gould_series": "TRS", "operating_style": "Time-Delay Dual Element", "quote_fuse_class": "Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR", "quote_operating_style": "Time-Delay Dual 250 ECNR \u2013 FRN-R TR \u2013 FLNR RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR", "source_quote": "RK5 Element 600 ECSR \u2013 FRS-R TRS \u2013 FLSR", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "RK5 \u00b7 Time-Delay Dual Element \u00b7 600 \u00b7 ECSR \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** CC\n\n> Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR\n\n**Operating style:** Time-Delay\n\n> Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR\n\n**Voltage rating:** 600\n\n**Edison series:** EDCC\n\n**Bussmann series:** LP-CC\n\n**Mersen/Gould series:** ATDR\n\n**Littelfuse series:** CCMR\n\n> Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "LP-CC", "edison_series": "EDCC", "file": "edcc-600-time-delay-cc.md", "fuse_class": "CC", "generated": true, "harvested": "2026-08-31", "id": "edcc-600-time-delay-cc", "littelfuse_series": "CCMR", "mersen_gould_series": "ATDR", "operating_style": "Time-Delay", "quote_fuse_class": "Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR", "quote_operating_style": "Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR", "source_quote": "Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "CC \u00b7 Time-Delay \u00b7 600 \u00b7 EDCC \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 5x20 mm Glass\n\n> 5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235 Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013\n\n**Operating style:** Fast-Acting\n\n> 5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235\n\n**Voltage rating:** 250/125\n\n**Edison series:** GMA\n\n**Brush/Dorman series:** GMA\n\n**Bussmann series:** GMA\n\n**Mersen/Gould series:** GGM\n\n**Littelfuse series:** 235\n\n> 5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "GMA", "bussmann_series": "GMA", "edison_series": "GMA", "file": "gma-250-125-fast-acting-5x20-mm-glass.md", "fuse_class": "5x20 mm Glass", "generated": true, "harvested": "2026-08-31", "id": "gma-250-125-fast-acting-5x20-mm-glass", "littelfuse_series": "235", "mersen_gould_series": "GGM", "operating_style": "Fast-Acting", "quote_fuse_class": "5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235 Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013", "quote_operating_style": "5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235", "source_quote": "5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "5x20 mm Glass \u00b7 Fast-Acting \u00b7 250/125 \u00b7 GMA \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "fuse_class", "verified": false, "voltage_rating": "250/125"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 5x20 mm Glass\n\n> 5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235 Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013\n\n**Operating style:** Medium Time-Delay\n\n> Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013\n\n**Voltage rating:** 250/125\n\n**Edison series:** GMC\n\n**Brush/Dorman series:** GMC\n\n**Bussmann series:** GMC\n\n**Mersen/Gould series:** GSC\n\n> Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "GMC", "bussmann_series": "GMC", "edison_series": "GMC", "file": "gmc-250-125-medium-time-delay-5x20-mm-glass.md", "fuse_class": "5x20 mm Glass", "generated": true, "harvested": "2026-08-31", "id": "gmc-250-125-medium-time-delay-5x20-mm-glass", "mersen_gould_series": "GSC", "operating_style": "Medium Time-Delay", "quote_fuse_class": "5x20 mm Fast-Acting 250/125 GMA GMA GMA GGM \u2013 235 Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013", "quote_operating_style": "Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013", "source_quote": "Glass Medium Time-Delay 250/125 GMC GMC GMC GSC \u2013 \u2013", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "5x20 mm Glass \u00b7 Medium Time-Delay \u00b7 250/125 \u00b7 GMC \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "fuse_class", "verified": false, "voltage_rating": "250/125"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** CC\n\n> Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR\n\n**Operating style:** Fast-Acting\n\n> Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR\n\n**Voltage rating:** 600\n\n**Edison series:** HCLR\n\n**Brush/Dorman series:** HCLR\n\n**Bussmann series:** KTK-R\n\n**Mersen/Gould series:** ATMR\n\n**GEC/CEFCO series:** CTK-R\n\n**Littelfuse series:** KLKR\n\n> Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "HCLR", "bussmann_series": "KTK-R", "edison_series": "HCLR", "file": "hclr-600-fast-acting-cc.md", "fuse_class": "CC", "gec_cefco_series": "CTK-R", "generated": true, "harvested": "2026-08-31", "id": "hclr-600-fast-acting-cc", "littelfuse_series": "KLKR", "mersen_gould_series": "ATMR", "operating_style": "Fast-Acting", "quote_fuse_class": "Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR", "quote_operating_style": "Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR", "source_quote": "Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "CC \u00b7 Fast-Acting \u00b7 600 \u00b7 HCLR \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** CC\n\n> Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR\n\n**Operating style:** Time-Delay\n\n> CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR\n\n**Voltage rating:** 600\n\n**Edison series:** HCTR\n\n**Bussmann series:** FNQ-R\n\n**Mersen/Gould series:** ATQR\n\n**Littelfuse series:** KLDR\n\n> CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "FNQ-R", "edison_series": "HCTR", "file": "hctr-600-time-delay-cc.md", "fuse_class": "CC", "generated": true, "harvested": "2026-08-31", "id": "hctr-600-time-delay-cc", "littelfuse_series": "KLDR", "mersen_gould_series": "ATQR", "operating_style": "Time-Delay", "quote_fuse_class": "Time-Delay 600 EDCC \u2013 LP-CC ATDR \u2013 CCMR CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR Fast-Acting 600 HCLR HCLR KTK-R ATMR CTK-R KLKR", "quote_operating_style": "CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR", "source_quote": "CC Time-Delay 600 HCTR \u2013 FNQ-R ATQR \u2013 KLDR", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "CC \u00b7 Time-Delay \u00b7 600 \u00b7 HCTR \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** J\n\n> Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element J High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive\n\n**Operating style:** Time-Delay Dual Element\n\n> Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element\n\n**Voltage rating:** 600\n\n**Edison series:** JDL\n\n**Bussmann series:** LPJ\n\n**Mersen/Gould series:** AJT\n\n**Littelfuse series:** JTD\n\n> Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "LPJ", "edison_series": "JDL", "file": "jdl-600-time-delay-dual-element-j.md", "fuse_class": "J", "generated": true, "harvested": "2026-08-31", "id": "jdl-600-time-delay-dual-element-j", "littelfuse_series": "JTD", "mersen_gould_series": "AJT", "operating_style": "Time-Delay Dual Element", "quote_fuse_class": "Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element J High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive", "quote_operating_style": "Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element", "source_quote": "Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "J \u00b7 Time-Delay Dual Element \u00b7 600 \u00b7 JDL \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** J\n\n> Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element J High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive\n\n**Operating style:** High-Speed AC Drive\n\n> High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive\n\n**Voltage rating:** 600\n\n**Edison series:** JHL\n\n**Bussmann series:** DFJ\n\n**Mersen/Gould series:** HSJ\n\n> High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "DFJ", "edison_series": "JHL", "file": "jhl-600-high-speed-ac-drive-j.md", "fuse_class": "J", "generated": true, "harvested": "2026-08-31", "id": "jhl-600-high-speed-ac-drive-j", "mersen_gould_series": "HSJ", "operating_style": "High-Speed AC Drive", "quote_fuse_class": "Time-Delay Dual 600 JDL \u2013 LPJ AJT \u2013 JTD Element J High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive", "quote_operating_style": "High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive", "source_quote": "High-Speed AC 600 JHL \u2013 DFJ HSJ \u2013 \u2013 Drive", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "J \u00b7 High-Speed AC Drive \u00b7 600 \u00b7 JHL \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** L\n\n> L Fast-Acting 600 LCU LCU KTU A4BY CL, CLU LDC\n\n**Operating style:** Fast-Acting\n\n> L Fast-Acting 600 LCU LCU KTU A4BY CL, CLU LDC\n\n**Voltage rating:** 600\n\n**Edison series:** LCU\n\n**Brush/Dorman series:** LCU\n\n**Bussmann series:** KTU\n\n**Mersen/Gould series:** A4BY\n\n**GEC/CEFCO series:** CL, CLU\n\n**Littelfuse series:** LDC\n\n> L Fast-Acting 600 LCU LCU KTU A4BY CL, CLU LDC\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "LCU", "bussmann_series": "KTU", "edison_series": "LCU", "file": "lcu-600-fast-acting-l.md", "fuse_class": "L", "gec_cefco_series": "CL, CLU", "generated": true, "harvested": "2026-08-31", "id": "lcu-600-fast-acting-l", "littelfuse_series": "LDC", "mersen_gould_series": "A4BY", "operating_style": "Fast-Acting", "quote_fuse_class": "L Fast-Acting 600 LCU LCU KTU A4BY CL, CLU LDC", "quote_operating_style": "L Fast-Acting 600 LCU LCU KTU A4BY CL, CLU LDC", "source_quote": "L Fast-Acting 600 LCU LCU KTU A4BY CL, CLU LDC", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "L \u00b7 Fast-Acting \u00b7 600 \u00b7 LCU \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** RK1\n\n> Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK\n\n**Operating style:** Time-Delay Dual Element\n\n> Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK\n\n**Voltage rating:** 250\n\n**Edison series:** LENRK\n\n**Bussmann series:** LPN-RK-SP\n\n**Mersen/Gould series:** A2DR\n\n**Littelfuse series:** LLNRK\n\n> Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "LPN-RK-SP", "edison_series": "LENRK", "file": "lenrk-250-time-delay-dual-element-rk1.md", "fuse_class": "RK1", "generated": true, "harvested": "2026-08-31", "id": "lenrk-250-time-delay-dual-element-rk1", "littelfuse_series": "LLNRK", "mersen_gould_series": "A2DR", "operating_style": "Time-Delay Dual Element", "quote_fuse_class": "Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK", "quote_operating_style": "Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK", "source_quote": "Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "RK1 \u00b7 Time-Delay Dual Element \u00b7 250 \u00b7 LENRK \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "250"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** RK1\n\n> Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK\n\n**Operating style:** Time-Delay Dual Element\n\n> Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK\n\n**Voltage rating:** 600\n\n**Edison series:** LESRK\n\n**Bussmann series:** LPS-RK-SP\n\n**Mersen/Gould series:** A6DR\n\n**Mersen/Gould note:** Not dual element 110\u2013600Amp\n\n> A6DR* LLSRK LESRK500 500 $565.00 *Not dual element 110\u2013600Amp\n\n**Littelfuse series:** LLSRK\n\n> RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n\nAlso cited: <https://cdn.automationdirect.com/static/specs/efuserk1.pdf>\n", "bussmann_series": "LPS-RK-SP", "edison_series": "LESRK", "file": "lesrk-600-time-delay-dual-element-rk1.md", "fuse_class": "RK1", "generated": true, "harvested": "2026-08-31", "id": "lesrk-600-time-delay-dual-element-rk1", "littelfuse_series": "LLSRK", "mersen_gould_note": "Not dual element 110\u2013600Amp", "mersen_gould_series": "A6DR", "operating_style": "Time-Delay Dual Element", "quote_fuse_class": "Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK", "quote_mersen_gould_note": "A6DR* LLSRK LESRK500 500 $565.00 *Not dual element 110\u2013600Amp", "quote_operating_style": "Time-Delay Dual 250 LENRK \u2013 LPN-RK-SP A2DR \u2013 LLNRK RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK", "source_quote": "RK1 Element 600 LESRK \u2013 LPS-RK-SP A6DR \u2013 LLSRK", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf", "https://cdn.automationdirect.com/static/specs/efuserk1.pdf"], "stale_after": "2028-08-30", "title": "RK1 \u00b7 Time-Delay Dual Element \u00b7 600 \u00b7 LESRK \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** Midget\n\n> 600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM\n\n**Operating style:** Fast-Acting\n\n> 600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF\n\n**Voltage rating:** 600\n\n**Edison series:** MCL\n\n**Brush/Dorman series:** MCL\n\n**Bussmann series:** KTK\n\n**Mersen/Gould series:** ATM\n\n**GEC/CEFCO series:** CTK\n\n**Littelfuse series:** KLK\n\n> 600 MCL MCL KTK ATM CTK KLK Fast-Acting\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "MCL", "bussmann_series": "KTK", "edison_series": "MCL", "file": "mcl-600-fast-acting-midget.md", "fuse_class": "Midget", "gec_cefco_series": "CTK", "generated": true, "harvested": "2026-08-31", "id": "mcl-600-fast-acting-midget", "littelfuse_series": "KLK", "mersen_gould_series": "ATM", "operating_style": "Fast-Acting", "quote_fuse_class": "600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM", "quote_operating_style": "600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF", "source_quote": "600 MCL MCL KTK ATM CTK KLK Fast-Acting", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "Midget \u00b7 Fast-Acting \u00b7 600 \u00b7 MCL \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "600"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 1/4\u201dx1/4\u201d Ceramic\n\n> 1/4\u201dx1/4\u201d 250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay\n\n**Operating style:** Time-Delay\n\n> 250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay 1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313\n\n**Voltage rating:** 250\n\n**Edison series:** MDA\n\n**Brush/Dorman series:** MDA\n\n**Bussmann series:** MDA\n\n**Littelfuse series:** 326\n\n> 1/4\u201dx1/4\u201d 250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "MDA", "bussmann_series": "MDA", "edison_series": "MDA", "file": "mda-250-time-delay-1-4-x1-4-ceramic.md", "fuse_class": "1/4\u201dx1/4\u201d Ceramic", "generated": true, "harvested": "2026-08-31", "id": "mda-250-time-delay-1-4-x1-4-ceramic", "littelfuse_series": "326", "operating_style": "Time-Delay", "quote_fuse_class": "1/4\u201dx1/4\u201d 250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay", "quote_operating_style": "250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay 1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313", "source_quote": "1/4\u201dx1/4\u201d 250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "1/4\u201dx1/4\u201d Ceramic \u00b7 Time-Delay \u00b7 250 \u00b7 MDA \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "fuse_class", "verified": false, "voltage_rating": "250"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 1/4\u201dx1/4\u201dGlass\n\n> 1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313\n\n**Operating style:** Time-Delay\n\n> 250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay 1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313\n\n**Voltage rating:** 250/32\n\n**Edison series:** MDL\n\n**Brush/Dorman series:** MDL\n\n**Bussmann series:** MDL\n\n**Mersen/Gould series:** GDL\n\n**Littelfuse series:** 313\n\n> 1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "MDL", "bussmann_series": "MDL", "edison_series": "MDL", "file": "mdl-250-32-time-delay-1-4-x1-4-glass.md", "fuse_class": "1/4\u201dx1/4\u201dGlass", "generated": true, "harvested": "2026-08-31", "id": "mdl-250-32-time-delay-1-4-x1-4-glass", "littelfuse_series": "313", "mersen_gould_series": "GDL", "operating_style": "Time-Delay", "quote_fuse_class": "1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313", "quote_operating_style": "250 MDA MDA MDA \u2013 \u2013 326 Ceramic Time-Delay 1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313", "source_quote": "1/4\u201dx1/4\u201dGlass 250/32 MDL MDL MDL GDL \u2013 313", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "1/4\u201dx1/4\u201dGlass \u00b7 Time-Delay \u00b7 250/32 \u00b7 MDL \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "250/32"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** Midget\n\n> 600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM\n\n**Operating style:** Time-Delay\n\n> 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM\n\n**Voltage rating:** 250\n\n**Edison series:** MEN\n\n**Brush/Dorman series:** MEN\n\n**Bussmann series:** FNM\n\n**Mersen/Gould series:** TRM\n\n**Littelfuse series:** FLM\n\n> Time-Delay 250 MEN MEN FNM TRM \u2013 FLM\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "MEN", "bussmann_series": "FNM", "edison_series": "MEN", "file": "men-250-time-delay-midget.md", "fuse_class": "Midget", "generated": true, "harvested": "2026-08-31", "id": "men-250-time-delay-midget", "littelfuse_series": "FLM", "mersen_gould_series": "TRM", "operating_style": "Time-Delay", "quote_fuse_class": "600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM", "quote_operating_style": "500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM", "source_quote": "Time-Delay 250 MEN MEN FNM TRM \u2013 FLM", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "Midget \u00b7 Time-Delay \u00b7 250 \u00b7 MEN \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "250"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** Midget\n\n> 600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM\n\n**Operating style:** Time-Delay\n\n> 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM\n\n**Voltage rating:** 500\n\n**Edison series:** MEQ\n\n**Brush/Dorman series:** MEQ\n\n**Bussmann series:** FNQ\n\n**Mersen/Gould series:** ATQ\n\n**Littelfuse series:** FLQ\n\n> Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "MEQ", "bussmann_series": "FNQ", "edison_series": "MEQ", "file": "meq-500-time-delay-midget.md", "fuse_class": "Midget", "generated": true, "harvested": "2026-08-31", "id": "meq-500-time-delay-midget", "littelfuse_series": "FLQ", "mersen_gould_series": "ATQ", "operating_style": "Time-Delay", "quote_fuse_class": "600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM", "quote_operating_style": "500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM", "source_quote": "Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "Midget \u00b7 Time-Delay \u00b7 500 \u00b7 MEQ \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "500"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** Midget\n\n> 600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM\n\n**Operating style:** Fast-Acting\n\n> 600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF\n\n**Voltage rating:** 250\n\n**Edison series:** MOL\n\n**Brush/Dorman series:** MOL\n\n**Bussmann series:** BAF/BAN\n\n**Mersen/Gould series:** OTM\n\n**Littelfuse series:** BLF\n\n> Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "MOL", "bussmann_series": "BAF/BAN", "edison_series": "MOL", "file": "mol-250-fast-acting-midget.md", "fuse_class": "Midget", "generated": true, "harvested": "2026-08-31", "id": "mol-250-fast-acting-midget", "littelfuse_series": "BLF", "mersen_gould_series": "OTM", "operating_style": "Fast-Acting", "quote_fuse_class": "600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget 500 MEQ MEQ FNQ ATQ \u2013 FLQ Time-Delay 250 MEN MEN FNM TRM \u2013 FLM", "quote_operating_style": "600 MCL MCL KTK ATM CTK KLK Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF", "source_quote": "Fast-Acting 250 MOL MOL BAF/BAN OTM \u2013 BLF Midget", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "Midget \u00b7 Fast-Acting \u00b7 250 \u00b7 MOL \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "verified": true, "voltage_rating": "250"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 5x20 mm Glass\n\n> 5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217 Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218\n\n**Operating style:** Fast-Acting\n\n> 5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217\n\n**Voltage rating:** 250\n\n**Edison series:** S500\n\n**Brush/Dorman series:** BDB\n\n**Bussmann series:** GDB\n\n**Mersen/Gould series:** GSB\n\n**Littelfuse series:** 217\n\n> 5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "BDB", "bussmann_series": "GDB", "edison_series": "S500", "file": "s500-250-fast-acting-5x20-mm-glass.md", "fuse_class": "5x20 mm Glass", "generated": true, "harvested": "2026-08-31", "id": "s500-250-fast-acting-5x20-mm-glass", "littelfuse_series": "217", "mersen_gould_series": "GSB", "operating_style": "Fast-Acting", "quote_fuse_class": "5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217 Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218", "quote_operating_style": "5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217", "source_quote": "5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "5x20 mm Glass \u00b7 Fast-Acting \u00b7 250 \u00b7 S500 \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "fuse_class", "verified": false, "voltage_rating": "250"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** 5x20 mm Glass\n\n> 5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217 Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218\n\n**Operating style:** Time-Delay\n\n> Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218\n\n**Voltage rating:** 250\n\n**Edison series:** S506\n\n**Brush/Dorman series:** BDC\n\n**Bussmann series:** GDC\n\n**Mersen/Gould series:** GDG\n\n**Littelfuse series:** 218\n\n> Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "brush_dorman_series": "BDC", "bussmann_series": "GDC", "edison_series": "S506", "file": "s506-250-time-delay-5x20-mm-glass.md", "fuse_class": "5x20 mm Glass", "generated": true, "harvested": "2026-08-31", "id": "s506-250-time-delay-5x20-mm-glass", "littelfuse_series": "218", "mersen_gould_series": "GDG", "operating_style": "Time-Delay", "quote_fuse_class": "5x20 mm Fast-Acting 250 S500 BDB GDB GSB \u2013 217 Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218", "quote_operating_style": "Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218", "source_quote": "Glass Time-Delay 250 S506 BDC GDC GDG \u2013 218", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "5x20 mm Glass \u00b7 Time-Delay \u00b7 250 \u00b7 S506 \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "fuse_class", "verified": false, "voltage_rating": "250"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** T\n\n> Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS\n\n**Operating style:** Extremely Fast-Acting\n\n> Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS\n\n**Voltage rating:** 300\n\n**Edison series:** TJN\n\n**Bussmann series:** JJN\n\n**Mersen/Gould series:** A3T\n\n**Littelfuse series:** JLLN\n\n> Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "JJN", "edison_series": "TJN", "file": "tjn-300-extremely-fast-acting-t.md", "fuse_class": "T", "generated": true, "harvested": "2026-08-31", "id": "tjn-300-extremely-fast-acting-t", "littelfuse_series": "JLLN", "mersen_gould_series": "A3T", "operating_style": "Extremely Fast-Acting", "quote_fuse_class": "Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS", "quote_operating_style": "Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS", "source_quote": "Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "T \u00b7 Extremely Fast-Acting \u00b7 300 \u00b7 TJN \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "operating_style", "verified": true, "voltage_rating": "300"}
{"asset": "fuse-cross-reference-by-manufacturer-class", "body": "**UL fuse class / type:** T\n\n> Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS\n\n**Operating style:** Extremely Fast-Acting\n\n> Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS\n\n**Voltage rating:** 600\n\n**Edison series:** TJS\n\n**Bussmann series:** JJS\n\n**Mersen/Gould series:** A6T\n\n**Littelfuse series:** JLLS\n\n> T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS\n\nSource: <https://cdn.automationdirect.com/static/specs/efusexref.pdf>\n", "bussmann_series": "JJS", "edison_series": "TJS", "file": "tjs-600-extremely-fast-acting-t.md", "fuse_class": "T", "generated": true, "harvested": "2026-08-31", "id": "tjs-600-extremely-fast-acting-t", "littelfuse_series": "JLLS", "mersen_gould_series": "A6T", "operating_style": "Extremely Fast-Acting", "quote_fuse_class": "Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS", "quote_operating_style": "Extremely Fast- 300 TJN \u2013 JJN A3T \u2013 JLLN T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS", "source_quote": "T Acting 600 TJS \u2013 JJS A6T \u2013 JLLS", "sources": ["https://cdn.automationdirect.com/static/specs/efusexref.pdf"], "stale_after": "2028-08-30", "title": "T \u00b7 Extremely Fast-Acting \u00b7 600 \u00b7 TJS \u2014 Low-voltage fuse cross-reference by UL class and manufacturer", "type": "equivalence", "unverified_fields": "operating_style", "verified": true, "voltage_rating": "600"}