# GS Mark — Certification marks and hazardous-area classifications: cross-market equivalences

For GS Mark, market / system is Germany; governing standard / law is GPSG = Geräte- und Produktisicherheitgesetz; administered by is TUV Rheinland, verified against its source on 2026-08-11.

- **Designation:** GS Mark _(verified: appears in the quote below)_
- **Market / system:** Germany _(verified: appears in the quote below)_
- **Governing standard / law:** GPSG = Geräte- und Produktisicherheitgesetz _(verified: appears in the quote below)_
- **Administered by:** TUV Rheinland _(verified: appears in the quote below)_

## What the source says

> Germany’s TUV standards agency operates the GS Mark (Geprüfte Sicherheit = tested safety) to show conformity with German’s Equipment and Product Safety Act (GPSG = Geräte- und Produktisicherheitgesetz). The GS Mark assures commercial buyers and consumers the product has been tested by an authorized institution such as TUV Rheinland.

## Source

- https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Certification marks and hazardous-area classifications: cross-market equivalences](https://referencesource.org/certification-standards-equivalence/).