Overview
The Leroy-Somer HS300 Varistor is a high-quality surge protection device designed for LSA-series alternators. It protects the rotating rectifier and excitation system by absorbing high-energy voltage spikes caused by load changes, switching surges, or electrical faults, ensuring stable and reliable alternator performance.
Key Features
Specially made for Leroy-Somer LSA-series alternators
Protects rectifier diodes from dangerous voltage surges
Durable Metal Oxide Varistor (MOV) construction
Heat-resistant, compact, and dependable in harsh generator environments
Easy to replace during rectifier or excitation system servicing