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Westinghouse UL 489 AC Miniature Circuit Breaker, 30 Amp, 2 Pole, C Curve, 480Y/277V AC, 125V DC, 10kA SCCR, Thermal Magnetic Trip, DIN Rail Breaker
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Westinghouse UL 489 AC Miniature Circuit 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 branch circuit applications including motor control circuits, HVAC / HVACR equipment, and various OEM equipment.
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SPECIFICATIONS: 2 Pole / 30A / C Curve, 480Y/277VAC, 125VDC, Rated for 10kA SCCR, AC Miniature Circuit Breaker. Westinghouse Model No. WMBB2C30.
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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) Two pole DIN rail circuit breaker only. DIN rail and installation kit sold separately.
About Westinghouse UL 489 AC Miniature Circuit
Westinghouse UL-489 Certified, Two Pole, C-Curve, Miniature Circuit Breaker rated for 30 Amps, 10kAIC at 480Y/277VAC. The direct current rating is 125VDC. 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.
