ND63T900, 3 Pole, 900 Amp, Moulded case circuit breaker trip unit, ND-Frame, 600V, Thermal magnetic, Siemens.  TRIP UNIT ONLY.  Factory new.

Please contact us for any assistance in finding parts to build a complete breaker.

Breaker frames: ND63F120, HND63F120

Lugs: 3TA4N8500