Holders and Blocks
    Blue Sea Systems ST CLB Circuit Breaker Block - 6 Independent Circuits
    Blue Sea Systems

    Blue Sea Systems ST CLB Circuit Breaker Block - 6 Independent Circuits

    SKU BLUE-5050

    Our Price$51.80MSRP $62.16
    Low stock · 4 left
    Circuits
    6
    Maximum Amperage
    32A (per circuit); 40A (per jumped circuit group)
    Maximum Voltage
    32V DC
    Mounting
    #8 Screw (M4) or #8 Nut
    Source
    Independent Source
    Minimum Operating Temperature
    -10° C
    Maximum Operating Temperature
    60° C
    Mounting Centers
    5.63in (143 mm)

    Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy

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    About this product

    ST CLB Circuit Breaker Block - 6 Independent Circuits. Quick connect clips allow circuit breakers to snap easily into place. Tin-plated copper busses and screw terminals.

    Key features

    • Quick connect clips allow circuit breakers to snap easily into place
    • Tin-plated copper busses and screw terminals
    • Clear insulating cover with square format label recesses, satisfies ABYC/USCG insulation requirements
    • Easy to open clip on cover
    • Breakouts allow wire access in two directions
    • Accepts ring terminals
    • Optional push button waterproof boots or dress nuts can be installed over cover
    • Accepts square labels

    For installation planning, check the manufacturer's ratings: maximum amperage: 32A (per circuit); 40A (per jumped circuit group); maximum voltage: 32V DC; mounting: #8 Screw (M4) or #8 Nut; mounting centers: 5.63in (143 mm).

    Manufacturer part 5050. Confirm the circuit rating, mounting arrangement, and required accessories against the manufacturer specifications before selecting this part.

    Manufacturer specifications

    Circuits
    6
    Maximum Amperage
    32A (per circuit); 40A (per jumped circuit group)
    Maximum Voltage
    32V DC
    Mounting
    #8 Screw (M4) or #8 Nut
    Source
    Independent Source
    Minimum Operating Temperature
    -10° C
    Maximum Operating Temperature
    60° C
    Mounting Centers
    5.63in (143 mm)
    Screw Terminal Type
    #8-32 Screws with Captive Star Lock Washer
    Height
    6.69in (169.93 mm)
    Weight
    0.75lb (0.34 kg)

    Product details

    Voltage
    32V DC
    Function
    Circuit Breaker Blocks
    Device Type
    Circuit Breaker Blocks
    Manufacturer
    Blue Sea Systems
    Product Type
    Circuit Breaker Blocks

    Shipping & returns

    • Stocked items typically ship the next business day from our US warehouse.
    • 30-day returns on unused stocked items. Exclusions apply. See policy
    • Custom and quoted items are non-returnable once production begins.

    Warranty

    Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.

    Read the full warranty terms

    Technical support

    Need help choosing the right part?

    Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.

    Certifications & training

    • ABYC-aware build practices
    • OEM-grade marine wire & terminals

    Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.

    Share your project

    Have you used this product in a project? Send us photos of your install for consideration in our project gallery.

    Why buy from Common Ground Marine

    • 20+ years building marine wiring harnesses, panels, and shore-power systems.
    • Engineers — not a phone tree — review every custom build before parts are cut.
    • OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.