Molded Case Circuit Breaker Trip Units: JD Series
Siemens JD Series circuit breaker trip units are designed to interrupt circuits exceeding the ambient operating temperature. These devices feature a non-interchangeable, thermal-magnetic trip mechanism offering both instantaneous and time-delayed current limiting functions. They are suitable for use with JD, HJD, HJXD, HHJD, HHJXD Series molded case circuit breakers and are available in amperage ratings of 200A, 225A, 250A and 400A on Raptor Supplies.