# Hyosung 170 kV Gas-Insulated Switchgear GIS

> high-voltage switchgear - High-voltage transmission grids and substations

**Voltformer canonical:** https://voltformer.com/switchgear/hyosung-170-kv-gas-insulated-switchgear-gis - markdown version: https://voltformer.com/switchgear/hyosung-170-kv-gas-insulated-switchgear-gis.md

## Overview

- **Brand:** Hyosung Heavy Industries
- **Product family:** Hyosung GIS Series
- **Application:** High-voltage transmission grids and substations
- **Product type:** high-voltage switchgear

## Technical Specifications

| Property | Value |
|---|---|
| Rated voltage | 170 kV |
| Rated current | 3150 A |
| Short-circuit withstand | 40 kA / 3s |
| Insulation medium | SF6 gas-insulated |
| Standards | IEC 62271-203, IEEE C37.122 |

## Sources

- https://www.hyosungheavyindustries.com

- **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.