W28-XQ1A-5=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-5 | Internal Number: 3-1393250-8 | Alias Number: A1729-009 | TE Connectivity | Potter & Brumfield