ABB S501-K20 Used: Previously Used, May Show Wear But Fully Operational And Functional. Original Packaging May Be Missing

ABB part number S501-K20. Miniature Circuit Breaker, Supplemental Protector, Rated Current 20 Amps, 1 Pole, Interrupt Rating 30 kA, Thermal Magnetic Trip Curve K, Electromechanic and/or Thermal Tripping Mechanism for Short Circuit Protection, Voltage up to 277/Y600 VAC (UL 1077) and 690 VAC (IEC), DIN Rail Mounted, Finger Safe and Multi-Function Terminals, CSA 22.2