Miniature Circuit Breaker

Overview

MCB is applicable to electric circuits with rated voltage 230-400V AC, frequency 50-60Hz and rated current up to 63A. The product provides protection against overload and short circuit to electric circuits and equipment in household and commercial installations. MCB is also used as non-frequent changeover of electric circuits.

Contact materials

Sliver graphite material is widely used to make contacts for miniature circuit breakers for it has excellent anti-welding property and low contact resistance and has neither toxic nor carcinogenic components.

Our products

We offers AgC contacts, contact bridges and arc splitter plates made of Cu/Fe/Cu clad metals that have excellent electrical conductivity and toughness for MCB.