Circuit Breakers & Electrical Circuit Breakers | RS
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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.

    Busbar Feed & Tap-Off Units
    Busbar Feed & Tap-Off Units
    Busbar Trunking
    Busbar Trunking
    Busbar Trunking Accessories
    Busbar Trunking Accessories
    Busbars
    Busbars
    Circuit Breaker Accessories
    Circuit Breaker Accessories
    Circuit Trips
    Circuit Trips
    Consumer Units
    Consumer Units
    Distribution Boards
    Distribution Boards
    Electronic Circuit Breakers
    Electronic Circuit Breakers
    Energy Monitoring Devices
    Energy Monitoring Devices
    MCBs
    MCBs
    MCCBs
    MCCBs
    RCBOs
    RCBOs
    RCCBs
    RCCBs
    Surge Protection Devices
    Surge Protection Devices
    Thermal Breakers
    Thermal Breakers

    34188 สินค้าที่แสดงสำหรับ Circuit Breakers

    1682 จาก 999+
    Better World
    Siemens, SENTRON MCCB 4P 630A, Breaking Capacity 110 kA, Fixed Mount
    • RS Stock No. 270-3533
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3VA1463-7FF42-0AA0
    Each
    THB168,512.10
    Siemens, SENTRON MCCB Molded Case Circuit Breaker 4P 40A, Breaking Capacity 100 kA, Fixed Mount
    • RS Stock No. 269-780
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3VA5240-7ED41-0AA0
    Each
    THB50,706.98
    Schneider Electric, ComPacT MCCB 3P 50A, Breaking Capacity 10 kA, Fixed Mount
    • RS Stock No. 428-746
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. C11E34V050B
    Each
    THB75,565.46
    Siemens, SENTRON MCCB 2P 225A, Breaking Capacity 10 kA, Fixed Mount
    • RS Stock No. 147-345
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3VA5222-7ED61-0AA0
    Each
    THB75,609.47
    Better World
    Siemens, Sentron MCCB Molded Case Circuit Breaker 3P 40A, Breaking Capacity 2.5 kA
    • RS Stock No. 245-683
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3VA6140-6KM31-0AA0
    Each
    THB96,010.76
    Better World
    Siemens SENTRON Electronic Circuit Breaker 630A 3VA2, 3 channels
    • RS Stock No. 156-642
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3VA2463-8HM32-0AA0
    Each
    THB198,048.02
    Legrand DX Range DX3 MCB, 4A Curve C, 230V AC, 10 kA Breaking Capacity
    • RS Stock No. 731-9569
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 4 077 09
    Each
    THB5,431.34
    ABB Emax2 Electronic Circuit Breaker 6.3kA 1SDA07, 4 / f channels
    • RS Stock No. 259-3968
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 1SDA072020R1
    Each
    THB2,293,451.92
    Eaton xEffect MCB, 4P, 2A Curve D
    • RS Stock No. 230-1027
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 177603 FAZ6-D2/4
    Each
    THB8,059.91
    Eaton xEffect FAZ MCB, 1P, 20A Curve D, 240V AC, 60V DC, 15 kA Breaking Capacity
    • RS Stock No. 243-413
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 142481 FAZT-D20/1
    Each
    THB2,859.54
    ABB Emax2 Electronic Circuit Breaker 1.25kA Ekip Hi-Touch LSI, 4 channels
    • RS Stock No. 259-3492
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 1SDA071459R1
    Each
    THB389,663.81
    Better World
    Siemens, SENTRON MCCB 4P 600A, Breaking Capacity 35 kA, Fixed Mount
    • RS Stock No. 249-805
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3VA6460-5HN41-0AA0
    Each
    THB190,774.63
    Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 4P 100A, Breaking Capacity 6 kA, Plug In
    • RS Stock No. 246-872
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 191664 NZMS2-4-VX100-SVE
    Each
    THB56,068.62
    Better World
    Siemens SENTRON Electronic Circuit Breaker 63A 3VA2, 3 channels Type N
    • RS Stock No. 157-129
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3VA2163-5HK32-0AA0
    Each
    THB31,999.88
    Eaton, Eaton Moeller Series NZM MCCB Molded Case Circuit Breaker 3P 250A, Breaking Capacity 230 kA, Fixed Mount
    • RS Stock No. 248-723
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 102490 NZMH2-S250-CNA
    Each
    THB82,835.26
    Siemens Alpha Cover for use with Unequipped Distribution Boards
    • RS Stock No. 216-4800
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 8GK4501-2KK32
    Each
    THB4,095.96
    Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 630A, Breaking Capacity 37 kA, Fixed Mount
    • RS Stock No. 259-100
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 290370 NZMH4-AE630-S1
    Each
    THB198,214.42
    Sensata Airpax Airpax Thermal Circuit Breaker - 219 3 Pole 480V ac Voltage Rating Panel Mount, 30A Current Rating
    • RS Stock No. 275-0071
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 219-3-1-66-5-8-30
    Each
    THB11,669.60
    Residual Current Circuit Breaker
    • RS Stock No. 599-632
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 2CCL463111E0324
    Each
    THB16,308.48
    ABB Emax2 Electronic Circuit Breaker 1.6kA 1SDA07, 4 channels
    • RS Stock No. 259-4697
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 1SDA072973R1
    Each
    THB360,440.17
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