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1P 32A DIN Rail MCB | GACIA N8BN
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6kA MCB 3p | GACIA N8BN
4P Electrical Protection MCB | GACIA N8BN

N8BN 6kA N Series Miniature Circuit Breaker

Meet the N8BN MCB from GACIA’s N series — engineered for powerful short-circuit and overload defense in a space-saving form. Its compact efficiency protects personnel and equipment, lowering accident risks and improving site safety. It’s an efficient choice for modernizing low-voltage distribution and facility safety.

GACIA MCB acts as the first line of protection on the AC distribution side, instantly cutting power when it senses an overload or short circuit. Its compact design and tripping performance help ensure continuous reliability while safeguarding both people and equipment.

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    Key Features

    • Enhanced Safety and Reliability

      - Short-circuit breaking capacity 6 kA

      - Protection against overloads

      - Compliant with IEC/EN 60898-1

    • High Performance and Efficiency

      - Rated currents available up to 63 A

      - Modular 1P–4P configurations

      - Selectable B, C, D tripping characteristics

    • Easy Installation and Maintenance

      - Supports busbar and cable connections for adaptable wiring

      - Clear status window for easy checks

      - Intuitive handle lock for rapid maintenance

    Tech Specs

    GENERAL SHORT CIRCUIT
    Poles 1P, 1P+N, 2P, 3P, 3P+N, 4P Rated breaking capacity 6kA
    Rated current 1-63A Tripping  characteristics B, C, D
    Rated operational voltage 230/400V AC INSTALLATION
    Minimum operational voltage 12V AC Terminal connection type Cable/Busbar
    Maximum operational voltage 440V AC Connectable conductor cross section 1-25mm²
    Rated frequency 50/60Hz Mounting IEC/EN 60715 top-hat rail 35mm
    Rated insulated voltage 500V AC Resistance to humidity and heat Class 2
    Dielectric test voltage 2kV COMPLIANCE
    Mechanical service life 10000 International standard IEC/EN 60898-1
    Electrical service life 4000

    Download

    Catalog
    PDFjmg
    N8BN.pdf
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    FAQs

    • 1.Why do MCBs with the same rated current have different trip curves (B/C/D)?

    • 2.What’s the difference between thermal and magnetic tripping in MCBs?

    • 3.Why does ambient temperature affect MCB tripping?