
Ac-dc-rated miniature circuit breakers are UL 489, 1077 listed
Stephen Law
Circuit Protection Electronics Interconnect Engineering Supply Chain 1077 listed circuit breakers circuit breakers UL 489WEIDMULLER BR and SU Series of DIN-rail mounted, thermal magnetic miniature circuit breakers (MCB) provides a complete range of UL 489 listed Branch circuit breakers and UL 1077 listed Supplementary circuit breakers, all rated for both ac and DdcC circuits. Devices are equipped with a trip-free, snap action toggle and easy visual status indication. At 17.6mm wide (one-pole), they are available in one-, two- and three-pole versions with an amperage range up to 63A, and in B, C, or D trip curve options to meet application needs. Devices deliver a wide voltage range of 120/240/277/480Vac and 60/125Vdc for single-pole and double-pole versions.
Advertisement
Stories continue below