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Westinghouse UL 489 AC Miniature Circuit Breaker, 3 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip
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Westinghouse UL 489 AC Miniature Circuit Breaker, 3 Features
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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 No. E517928.
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STANDARD INSTALLATION: 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.
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SPECIFICATIONS: 1 Pole / 3A / C Curve, 277VAC, 60VDC, Rated for 10kA SCCR, AC Miniature Circuit Breaker. Westinghouse Model No. WMBB1C03.
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CURRENT LIMITING: Westinghouse DIN rail breakers are designed to interrupt within the first half of the AC cycle compared to 1 to 2 AC cycles for conventional breakers.
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WHAT'S INCLUDED: (1) Single pole DIN rail circuit breaker only. DIN rail and installation kit sold separately.
About Westinghouse UL 489 AC Miniature Circuit Breaker, 3
Westinghouse UL-489 Certified, Single Pole, C-Curve, Miniature Circuit Breaker rated for 3 Amps, 10kAIC at 277VAC. The direct current rating is 60VDC. Westinghouse breakers are current limiting, designed to interrupt short circuit faults within the first half AC cycle. Compared to conventional breakers which require 1 to 2 half cycles for interruption. Westinghouse breakers are designed to fit standard 35mm DIN Rails or directly mount to control panels. Our breakers meet UL489 certification requirements and are approved to serve as primary branch circuit protection in the US and Canada. See UL file E517928 for additional information.
