# Hitachi Energy PEXLIM R Silicone-Housed Surge Arrester

> surge-arrester - Station-class silicone-housed ZnO surge-arrester family for substation equipment, transformers, reactors, capacitor banks, cables and HVDC protection.

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## Overview

- **Brand:** ABB / Hitachi Energy
- **Product family:** PEXLIM silicone-housed surge arresters
- **Category:** Grid Equipment & Power Quality / surge-arresters-and-insulation-coordination

## Manufacturer-stated technical envelope

- **System voltage:** 24–550 kV
- **Rated voltage:** 18–444 kV
- **Nominal discharge current:** 10 / 20 kA peak
- **Line discharge class:** 3 / 4
- **Mechanical strength (SSL):** 1600 / 4000 / 6000 / 9000 Nm
- **Housing:** Direct-molded silicone polymer; open-cage construction

## Standards

- IEC 60099-4 Ed. 3.0
- ANSI/IEEE C62.11-2012

## Official sources

- https://www.hitachienergy.com/us/en/products-and-solutions/surge-arresters/high-voltage-surge-arresters/silicone-housed-surge-arrester-pexlim

- **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.

The stated values are family or catalogue-option limits. Select the exact order code and verify project-specific duties before procurement or release of an SLD design.