W57-XB7A4A10-20=CKTBKR,THERM,P Circuit Breaker Type: Thermal Circuit Function: Series Trip Illuminated: Without Actuator Color: White Operating Voltage: 250 VAC Thermal Series Trip Without White | Circuit Breaker | Part Number: W57-XB7A4A10-20 | Internal Number: 1-1423675-0 | TE Connectivity