Skip to content

Please be aware we will be closed for stock taking on Friday 27th January 2023 and all orders placed on that day will be dispatched on Monday 30th January 2023. Thanks The Zetmet Team.

Miniature Circuit Breakers (MCB's)

Zetmet Ltd stocks a vast array of miniature circuit breakers online at discounted prices. MCB’s widely replace fuses and are used to detect over currents due to both overload and fault currents. With all amperage ratings available in both B and C curve we have everything for most types of installations. Choose between the NSB, NHXB or latest NHXL ranges.