Potter&brumfield - Te Connectivity W92-X112-40
CIRCUIT BREAKER, HYDROMAGNETIC, 2P, 277V, 40A; Product Range:W9 Series; Current Rating:40A; No. of Poles:2 Pole; Input Voltage VAC:277V; Interrupting Capacity:5kA; Trip Time:20s; Dielectric Strength:1.5kV; Operating Voltage:277V