II 3D
For II 3D, market / system is ATEX; stated equivalent is Dc; applies to is Zone 22 only, verified against its source on 2026-08-11.
- Designation
- II 3D verified
- Market / system
- ATEX verified
- Stated equivalent
- Dc verified
- Applies to
- Zone 22 only verified
What the source says
d, h Ammonia (630°C), Hydrogen (560°C), Suitable for Zone 22 only T1: 450°C Methane (537°C), Propane (470°C) ATEX Group & Category: II 3D Zone 22 T2: 300°C Ethylene (425°C), Butane (372°C), Acetylene (305°C) IECEx Equipment Protec on Level: Dc Types of protec on (electrical):
— euroswitch.com, retrieved 2026-08-11
Source
- euroswitch.comhttps://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf