Westinghouse Cutler-Hammer 5680D04G30 is a 400 A Type LB hub trip unit (HLB3400T) designed for Westinghouse Cutler-Hammer LB-series circuit breakers. This trip unit provides the protective trip mechanism for overcurrent protection within LB-type breakers and carries the part number 5680D04G30. It is specifically engineered for LB breakers and fits the LB hub trip configuration used in these assemblies.
