Molded Case Circuit Breaker Trip Units: LD Series
Siemens LD Series trip units are designed to facilitate both low and high interrupting capacity requirements for the protection of industrial equipment. These devices are suitable for use with JD, HJD, HJXD, HHJD, HHJXD Series molded case circuit breakers and feature a thermal magnetic trip unit providing long-time and instantaneous current limiting functions. Choose from a wide range of these circuit breaker trip units available in amperage ratings of 450A, 500A and 600A on Raptor Supplies.