I-t-e gould siemens itecat no. Hed43b125 sentron series circuit breaker 125 amps type hed4includes set of bottom load-side lugs 3 pole 50 60 hz current interrupting ratings maximum rms symmetrical : 100 000 amps 240 volts ac 42 000 amps 480 volts ac breaker weight: 3.3 Lbs. Breaker dimensions d x w x h : 4 x 3 x 6.25 Add 0.5 To depth measurement for handle