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    • B1H1C4 – NOARK 1P 4A 277V DIN RAIL 10kA BREAKER

    Standard · 4A · 1-Pole · 277V · Bolt-On

    The B1H1C4 NOARK 1P 4A 277V DIN Rail 10kA Breaker is designed for reliable protection in various electrical applications. With a compact design, it easily mounts on standard DIN rails, ensuring both safety and efficiency. This breaker provides robust circuit protection, making it an ideal choice for your electrical panel needs.

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    SKU NORB1H1C4 Categories , ,
    Specifications
    BrandNOARK
    TypeStandard (Thermal-Magnetic)
    Amperage4 A
    Poles1-Pole
    Voltage277V
    Interrupting Rating10 kA
    MountingBolt-On
    Frame / SeriesB1H1
    Catalogue #B1H1C4
    Panel Compatibility

    The NOARK B1H1C4 is a 1-pole, 4A, 277V, 10kA DIN rail-mount breaker from the B1H1 series. It is designed to mount on standard 35mm (TS-35) DIN rails, making it compatible with DIN rail-equipped enclosures, industrial control panels, and panelboards that accept DIN rail-mounted breakers — rather than traditional residential loadcentres.

    The 277V rating makes it well suited for single-phase lighting circuits on a 480Y/277V commercial or industrial distribution system. It is not intended for standard residential 120/240V loadcentres. If you need to confirm fit within a specific enclosure or switchboard, send us your panel model and we'll confirm compatibility.

    The B1H1C4 mounts on a standard 35mm DIN rail (TS-35). It is designed for industrial control panels, DIN rail enclosures, and commercial panelboards equipped with DIN rail mounting — not for residential plug-in or bolt-on loadcentres.

    Technically the breaker will function at voltages up to 277V, but it is engineered and rated for 277V commercial/industrial applications (typically single-phase legs of a 480Y/277V system). For a standard 120/240V residential installation, a conventional residential-rated breaker is the more appropriate choice. Contact us if you're unsure which breaker suits your application.

    NOARK's B1H1 series is an actively produced line, but specific ampere ratings can become hard to find through regular distribution channels. Northern Breaker Group specialises in sourcing both current and obsolete breakers across Canada. Contact our Calgary, Edmonton, or Vancouver counters for stock availability and a quote on the B1H1C4.

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    Contact Northern Breaker Group

    Experience the advantage of working with Canada's fastest growing electrical supply network—where local expertise meets national capabilities.
    Whether you’re a contractor needing same-day pickup in Calgary, an facility manager sourcing obsolete parts in Edmonton, or a Vancouver electrician requiring marine-rated components, Northern Breaker Group is your trusted electrical supply partner.

    For General Inquiries:

    Visit any of our three locations or use our online quote system to connect with the Northern Breaker Group network.

    For Location-Specific Needs:

    Calgary: 403-520-0014

    Edmonton: 780-758-6122

    Vancouver: 604-283-6336

    Reach out to us today to discuss your needs.

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