# ABB HySec 24 kV Earthing Switch Function

> earthing-switch - Earthing-switch function for isolating and grounding medium-voltage cable circuits in secondary distribution switchgear.

**Voltformer canonical:** https://voltformer.com/switchgear/abb-hysec-24-kv-earthing-switch - markdown version: https://voltformer.com/switchgear/abb-hysec-24-kv-earthing-switch.md

## Overview

- **Brand:** ABB
- **Product family:** HySec
- **Application:** Earthing-switch function for isolating and grounding medium-voltage cable circuits in secondary distribution switchgear.
- **Product type:** earthing-switch

## Technical Specifications

| Property | Value |
|---|---|
| Rated voltage | up to 24 kV |
| Rated current | up to 630 A |
| Short-circuit withstand | up to 25 kA |
| Insulation medium | Gas-insulated secondary-distribution apparatus |
| Standards | IEC 62271-102, IEC 62271-200 |

## Sources

- https://new.abb.com/news/detail/53465/hysec-multifunction-apparatus-for-secondary-distribution

- **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.