# ABB SafeRing AirPlus SF6-Free RMU 24 kV

> RMU - Eco-efficient secondary distribution ring main unit with AirPlus gas insulation and vacuum circuit breaker technology.

**Voltformer canonical:** https://voltformer.com/switchgear/abb-safering-airplus-sf6-free-rmu-24-kv - markdown version: https://voltformer.com/switchgear/abb-safering-airplus-sf6-free-rmu-24-kv.md

## Overview

- **Brand:** ABB
- **Product family:** SafeRing AirPlus eco-efficient RMU
- **Application:** Eco-efficient secondary distribution ring main unit with AirPlus gas insulation and vacuum circuit breaker technology.
- **Product type:** RMU

## Technical Specifications

| Property | Value |
|---|---|
| Rated voltage | 24 kV |
| Rated current | 630 A |
| Short-circuit withstand | 20 kA 1s |
| Insulation medium | AirPlus dry air fluoroketone (SF6-Free GWP<1) |
| Standards | IEC 62271-200, IEC 62271-102 |

## Sources

- https://new.abb.com/medium-voltage/switchgear/ring-main-units/safering-airplus

- **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.