W28-XT1A-16=CKT BKR,QC.250FUSE 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-XT1A-16 | Internal Number: 1423313-1 | TE Connectivity | Potter & Brumfield