Miniature Circuit Breakers (MCBs) ensure electrical safety in homes, offices and other buildings as well as for industrial applications by protecting electrical installations against overloads and …

All System pro M compact® MCBs are suited with a contact position indication (CPI) on the toggle. You can easily identify, if the MCB is in the ON or the OFF position – easy and safe …

Miniature Circuit Breaker (MCBs), Residual Current Circuit Breaker (RCCBs) and Isolators are fully CE certified and innovated with the same expertise and technological know-how as the …

Today, our complete line of circuit protection, including MCBs, Fuse Holders, RCDs, and SPDs, provide increasingly higher performance, lower carbon footprint, and greater connectivity to …

UL1077 miniature circuit breakers (MCBs) ensure electrical safety in multiple applications. UL 1077 MCBs feature two different tripping mechanisms, the delayed thermal tripping …

The miniature circuit breaker SUP400 is ABB’s solution for UL 489 branch ircuit protection up to 480 Y/277 V AC. This circuit breaker is an all-round device applications for universal use in …

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The MCBs are “trip-free,” if the handle is being forced to the “ON” position, the breaker will still trip under fault conditions. The “O” marking indicates that the breaker is in the “OFF” position. The …

MCBs internal resistance, power loss and max. permissible earth-fault loop impedance 1/159 Performances at different ambient temperatures, altitudes and frequencies 1/164 Use of MCBs …