# ABB SafeRing

> RMU - Secondary distribution

**Voltformer canonical:** https://voltformer.com/switchgear/abb-safering - markdown version: https://voltformer.com/switchgear/abb-safering.md

## Overview

- **Brand:** ABB
- **Product family:** SafeRing
- **Application:** Secondary distribution
- **Product type:** RMU

## Technical Specifications

| Property | Value |
|---|---|
| Rated voltage | up to 40.5 kV |
| Rated current | up to 630 A busbar |
| Short-circuit withstand | up to 25 kA at 12/36/40.5 kV, 3 s |
| Insulation medium | SF6 gas |
| Standards | IEC standards |

## Sources

- https://www.abb.com/global/en/areas/electrification/medium-voltage/switchgear/gas-insulated/safering-safeplus

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

Technical ratings are configuration-dependent where stated by the manufacturer. Request project-specific verification before procurement.