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Part number
621853  12  -  -  


Part information

Compact, Push To Reset Only P&B Thermal Circuit Breaker

New, compact design. to 20 amp ratings. Cannot be manually tripped. Button extends for visual trip indication. Push button to reset breaker. Numerous mounting and termination options. Optional bottom marking of amperage rating.

Insulation Resistance: 100 megohms. Maximum Operating Voltages: 250VAC, 50/60 Hz. Interrupt Capacity: 1,000 amps in accordance with UL standard 1077. Resettable Overload Capacity: Ten times rated current. Reset Time: 60 seconds.

Typical Resistance vs. Current Rating @ +25C
Part numberCircuit descriptionManufacture
W57-XI1F8B10-20 Circuit Breaker Circuit Protection 20A 50VDC, 250VAC Panel Mount; CIRCUIT BREAKER TERML 20A QC.250. Specifications: Mounting Type: Panel Mount ; Actuator Type: Push to Reset ; Voltage: 50VDC, 250VAC ; Current - Trip (It): 20A ; Number of Poles: 1 ; Breaker Type: Thermal ; Lead Free Status: Lead Free
Category: Circuit Protection - Thermistors - PTC
TE Connectivity


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