Circuit-breaker NZM2, 3 pole, Switching capacity SCCR 600Y/347 V 60 Hz( Icu ): 25 kA, Switching capacity SCCR 480 V 60 Hz( Icu ): 35 kA, Rated current = rated uninterrupted current (In = Iu ): 160 A, Installation type: Fixed, Screw connection, Standard/Approval: UL/CSA, IEC, Protective function: Systems, cable, selectivity and generator protection