High Energy Varistors

Metrosil is trusted by industries that work with and rely on high energy.

As silicon carbide varistor specialists, we absorb and discharge high energy to protect assets and optimise processes.

The diversity of Metrosil varistors can be illustrated by historical applications. For example, since manufacturing began in 1937, Metrosil’s ability to provide high energy absorption has been beneficial for:

Lightning protection
Commutators and naval vessel generators
Telephones
Radar equipment
Relays
Exciter discharge systems
Transformer tap changers
Rectifiers
Lifting electro-magnets

The modularity of our high energy varistors, together with our unique disc matching ability, allows us to deliver assemblies capable of absorbing and discharging several Megajoules (MJ) of energy. Typically, Metrosil varistors absorb:

1kJ – 2000kJ per assembly
1A – 8000A per assembly
600V – 1800V per assembly

As global industries continue to push technological boundaries, demanding higher energy and increased asset availability with reduced downtime and lower maintenance costs, the desire to protect valuable assets has never been greater. Therefore, any application that creates or utilises high energy will benefit from the superior protection that Metrosil provides.

Where there is a need for high energy absorption and superfast discharge, there is a need for Metrosil. Please contact our silicon carbide varistor specialists to discuss bespoke solutions.