20A Single Pole Miniature Circuit Breaker (Pack of 10)
  • UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517970
  • Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR Equipment, input output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation among other applications.
  • Specifications: 10 Pack, 20 Amp / 1-Pole / C Curve MCB; rated for 10kAIC 277V AC with a direct current rating of 60V DC. Westinghouse Model No. WMBB1C20.
Where to buy

UL489 Certified: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit protection in US and Canada. UL File: E517928.


Standard Installation: Mini Circuit Breaker snaps on 35mm DIN Rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR Equipment, input output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation among other applications.


Specifications: 10 Pack, 20 Amp / 1-Pole / C Curve MCB; rated for 10kAIC 277V AC with a direct current rating of 60V DC. Westinghouse Model No. WMBB1C20.


What’s Included: (10) Single pole miniature circuit breakers only. DIN rail and installation kit sold separately.