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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

    34663 產品顯示為 Circuit Breakers

    1524 的 999+
    Better World
    Schneider Electric Compact NSX, Easy Pact CVS, FuPact INFB Crimp Lug for use with For copper cable 300 mm2
    • RS庫存編號 219-9402
    • 製造零件編號 LV432503
    个
    HK$1,191.68
    Better World
    Schneider Electric ComPact NSX Mounting Plate for use with Compact NSX 400/630 circuit breaker
    • RS庫存編號 219-9404
    • 製造零件編號 LV432532
    个
    HK$3,571.04
    Better World
    Schneider Electric Tesys Connection Kit for use with Gv2Me
    • RS庫存編號 221-1125
    • 製造零件編號 LAD351
    个
    HK$231.40
    Better World
    Schneider Electric Installaton Accessory for use with Compact Nsx 100/160/250
    • RS庫存編號 221-1222
    • 製造零件編號 LV431064
    个
    HK$1,079.76
    Better World
    Schneider Electric Compact Locking Kit for use with Nsx 100..250/400..630
    • RS庫存編號 221-1179
    • 製造零件編號 LV429286
    个
    HK$1,023.81
    Phoenix Contact DCS Wall Fixing Brackets for use with Small/Large Monitors And Operator Interfaces
    • RS庫存編號 230-1174
    • 製造零件編號 1082304
    个
    HK$846.40
    Siemens Sentron Copper Rod for use with Busbar
    • RS庫存編號 228-8264
    • 製造零件編號 8WC5126
    个
    HK$932.10
    Siemens Sentron Copper Rod for use with Busbar
    • RS庫存編號 228-8265
    • 製造零件編號 8WC5133
    个
    HK$1,319.00
    ABB Tmax XT Residual Current Release for use with Circuit Breaker
    • RS庫存編號 232-0242
    • 製造零件編號 1SDA067130R1 RC Sel XT3 F
    个
    HK$10,943.88
    ABB Tmax T Handle, Lockable for use with Circuit Breaker
    • RS庫存編號 232-0115
    • 製造零件編號 1SDA054926R1 RHD F-P T4-5
    个
    HK$1,364.20
    ABB HPMCB - High Performance MCB Padlock Lever Lock for use with S800B, S800C, S800HV, S800N, S800PV, S800S, S800U
    • RS庫存編號 232-0315
    • 製造零件編號 2CCS800900R0051 S800-PLL
    个
    HK$309.90
    ABB Tmax XT Rotary Handle for use with SACE Tmax XT
    • RS庫存編號 236-6856
    • 製造零件編號 1SDA069057R1 RHE_B XT2-XT4 F/P BASE RH
    个
    HK$555.30
    Better World
    Schneider Electric Acti9 Cover for use with Comb Busbar
    • RS庫存編號 237-5595
    • 製造零件編號 A9X21095
    个（每托盘 40 ）
    HK$311.553
    Schneider Electric ComPacT Base for use with Compact INS/INV630b → 1600, Terminal Shields
    • RS庫存編號 207-376
    • 製造零件編號 31308
    个
    HK$1,029.00
    ABB RHD T6 W Rotary Handle for use with Tmax T
    • RS庫存編號 237-5996
    • 製造零件編號 1SDA060407R1 RHD W T6
    个
    HK$1,155.00
    Eaton NZM Circuit Breaker for use with Circuit Breaker
    • RS庫存編號 240-917
    • 製造零件編號 191481 NZMN3-4-VX630-T
    个
    HK$48,289.23
    Eaton Eaton Moeller NZM Assembly Kit for use with N(S)2(-4), NZM2(-4), PN2(-4)
    • RS庫存編號 229-388
    • 製造零件編號 116895 NZM2-XHB-DA
    个
    HK$3,255.25
    Eaton Eaton Moeller NZM Assembly Kit for use with N(S)4(-4), NZM4(-4), PN4(-4)
    • RS庫存編號 231-903
    • 製造零件編號 119003 NZM4-XHB-DAR
    个
    HK$5,087.48
    Eaton Connection Plug
    • RS庫存編號 229-752
    • 製造零件編號 116033 SWD4-SF8-67
    个
    HK$211.90
    Eaton Eaton Moeller Series IZMX/INX Interlock for use with INX16…, INX40…, IZMX16…, IZMX40…
    • RS庫存編號 239-878
    • 製造零件編號 184233 IZMX-KLP-SO-RONIS-1
    个
    HK$3,422.66
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