Terasaki MS 3P Mechanical InterlockThe TERASAKI MS 3P Mechanical Interlock is an essential MCCB accessory used in applications where two power sourcessuch as mains and generatormust never be connected at the same time. This mechanical interlock physically prevents one breaker from closing while the other is in the ON position, ensuring safe and reliable changeover operation. Designed specifically for TERASAKI TEMBREAK MCCBs, the MS 3P interlock offers smooth mechanical operation, high