Supplementary Circuit Breaker Protectors: Type - Supplementary Thermal Magnetic Breaker; Poles - 3P; Amps - 50; Trip Range - 2.2-20 x Rating; Voltage - 277VAC; Rating - kA IR - 5; Actuator Style - Toggle Lever; Mounting - Panel Cutout; Terminals - 10-32 Stud; WxHxD - 1.94x2.50x1.84"; Additional Information - Circuit Breaker Size (mm): 63.5, Series Trip; Manufacturer Series - W9
Additional Info: Circuit Breaker Size (mm): 63.5, Series Trip