Circuit Breakers in the MP Series 752 are the smallest switchable UL489 - listed branch circuit breaker available that is capable of withstanding a 5, 000A short circuit. This exceptional rating allows you to specify in circumstances where the internal configuration of your instrument or system offers limited space, but where high current protection is also a must. MP Series 752 switchable circuit breakers, offer the advantage of a dual-function, manualautomatic disconnect with many other advanced features. The unique, saddle-shaped bimetallic mechanism provides circuit interruption with double contact break. This configuration allows many models in this series to interrupt levels of fault current up to 5, 000A, depending on voltage requirements, and continue to function.