W28-XQ1A-20=W28 Circuit Breaker Type: Thermal Circuit Function: Series Trip Illuminated: Without Actuator Color: Black Operating Voltage: 250 VAC Thermal Series Trip Without Black | Circuit Breaker | Part Number: W28-XQ1A-20 | Internal Number: 3-1393250-3 | Alias Number: W 28XQ1 A20 | TE Connectivity | Potter & Brumfield