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    Circuit Breakers

    Having an effective and well-designed circuit protection system in every building is vital. It not only protects machinery and equipment from costly damage or even worse an electrical fire, but good circuit protection also ensures people are safe too.

    Here, at RS we stock an extensive range of high-quality products within our circuit breaker range. They include various types of protection devices as well as consumer units, distribution boards and accessories. Whether you are designing and building a new system or maintaining an old one we have everything you need, providing the perfect end-to-end solution.

    What are the different types of circuit breakers?

    RCBO Breakers

    RCBO stands for Residual Current Circuit Breaker with Over Current protection. Installed in consumer units they protect from short circuits, overload current and residual current as they combine all the functions of an MCB and an RCCB.

    RCCB Breakers

    RCCB stands for Residual Current Circuit Breaker. They are designed to quickly disconnect any circuit as soon as current leaks to the earthing wire. RCCBs are also effective in protecting from electrocution or shock from direct contact.

    MCB Breakers

    MCB stands for Miniature Circuit Breaker. They are designed to protect an electric circuit from overcurrent only. They do not safeguard people from electric shock caused by earth leakage.

    MCCB Breakers

    MCCB stands for Moulded Case Circuit Breaker. They are another type of electrical protection device used in higher current rating applications where an MCB would not suffice. An MCCB protects against overload and short circuit faults. With its high breaking capacity and a wider range of current ratings, MCCBs are typically found in industrial systems rather than domestic systems.

    35024 產品顯示為 Circuit Breakers

    1405 999+
    Better World
    • RS庫存編號 225-8833
    • 製造零件編號 5SV1616-7KK13
    HK$919.10
    Better World
    • RS庫存編號 225-8802
    • 製造零件編號 5SU1656-7KK20
    HK$1,170.30
    • RS庫存編號 231-9931
    • 製造零件編號 2CSR255151R1104 DSE201 C10 A30
    HK$667.86
    • RS庫存編號 237-5079
    • 製造零件編號 2CSR253101R1135
    HK$2,843.13
    • RS庫存編號 237-1414
    • 製造零件編號 2CSR275151R2404
    HK$1,466.15
    • RS庫存編號 122-520
    • 製造零件編號 LV510682
    HK$2,358.23
    • RS庫存編號 237-5072
    • 製造零件編號 2CSR253001R1505
    HK$3,221.31
    • RS庫存編號 237-5062
    • 製造零件編號 2CSR253001R1104
    HK$2,647.05
    • RS庫存編號 237-5105
    • 製造零件編號 2CSR254001R1505
    HK$3,888.62
    • RS庫存編號 237-5065
    • 製造零件編號 2CSR253001R1135
    HK$2,567.31
    • RS庫存編號 122-495
    • 製造零件編號 LV510536
    HK$2,066.61
    • RS庫存編號 237-5094
    • 製造零件編號 2CSR254001R1104
    HK$3,286.64
    • RS庫存編號 120-825
    • 製造零件編號 158241 PKE12/AK
    HK$562.32
    • RS庫存編號 120-912
    • 製造零件編號 167823 MSC-DEA-4-M17-SP(24VDC)
    HK$3,482.42
    • RS庫存編號 259-4571
    • 製造零件編號 1SDA072819R1
    HK$80,392.73
    • RS庫存編號 259-4319
    • 製造零件編號 1SDA072473R1
    HK$151,289.84
    • RS庫存編號 259-4390
    • 製造零件編號 1SDA072571R1
    HK$244,743.29
    • RS庫存編號 122-320
    • 製造零件編號 LV563326P
    HK$7,376.30
    • RS庫存編號 259-4332
    • 製造零件編號 1SDA072498R1
    HK$161,582.59
    • RS庫存編號 120-896
    • 製造零件編號 167811 MSC-DE-4-M17-SP(230V50HZ,240V60HZ)
    HK$2,673.66
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