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

35874 產品顯示為 Circuit Breakers

48 of 999+
Hager NFN MCB, 2P, 0.5A Curve C, 240 → 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 144-4706
  • Mfr. Part No. NFN200
Each
TWD5,509.00(exc. GST)
Better World
Siemens, SENTRON MCCB 4P 16A, Breaking Capacity 55 kA
  • RS Stock No. 209-7025
  • Mfr. Part No. 3VA1196-5EE42-0AA0
Each
TWD20,290.00(exc. GST)
Better World
ABB System Pro M Compact S200 MCB, 3P, 50A Curve C, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 746-7784
  • Mfr. Part No. 2CDS253001R0504 S203-C50
Each
TWD2,694.00(exc. GST)
Schneider Electric, ComPacT MCCB 2P 630A, Fixed Mount
  • RS Stock No. 260-7824
  • Mfr. Part No. C1BN2TM630D
Each
TWD221,885.00(exc. GST)
ABB SMISSLINE TP MCB, 1P, 500mA Curve C, 240V AC
  • RS Stock No. 246-2502
  • Mfr. Part No. 2CCS571001R0984 S401M-C0.5
Each
TWD1,810.00(exc. GST)
Better World
Siemens, SENTRON MCCB 4P 25A, Breaking Capacity 200 kA, Fixed Mount
  • RS Stock No. 270-4501
  • Mfr. Part No. 3VA2125-0HM42-0AA0
Each
TWD74,841.00(exc. GST)
Legrand Circuit Breaker, 2P, 10A Curve D, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 266-1330
  • Mfr. Part No. 408014
Each
TWD4,605.00(exc. GST)
ABB System Pro M Compact S200 M UC MCB, 3P, 1A Curve C, 400V AC, 440V DC, 10 kA Breaking Capacity
  • RS Stock No. 200-183
  • Mfr. Part No. 2CDS273061R0014
Each
TWD16,016.00(exc. GST)
Better World
Siemens, SENTRON MCCB 4P 160A, Breaking Capacity 36 kA
  • RS Stock No. 209-6973
  • Mfr. Part No. 3VA1116-4EE42-0AA0
Each
TWD42,180.00(exc. GST)
Better World
Siemens SENTRON 5SL4 MCB, 3P, 50A Curve D, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 209-6496
  • Mfr. Part No. 5SL4350-8
Each
TWD10,547.00(exc. GST)
Schneider Electric, ComPacT New Generation MCCB 1P 20A, Breaking Capacity 65 kA, Screw Mount
  • RS Stock No. 207-189
  • Mfr. Part No. BGL16020
Each
TWD12,914.00(exc. GST)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 160A, Breaking Capacity 5 kA, Plug In
  • RS Stock No. 249-037
  • Mfr. Part No. 192179 NZMH2-PX160-SVE
Each
TWD82,482.00(exc. GST)
Siemens, SENTRON MCCB 4P 110A, Breaking Capacity 7 kA, Fixed Mount
  • RS Stock No. 147-422
  • Mfr. Part No. 3VA5211-5GC41-2AA0
Each
TWD67,703.00(exc. GST)
Better World
Siemens, 0AA0 MCCB 4P 40A, Breaking Capacity 55 kA, Fixed Mount
  • RS Stock No. 211-6013
  • Mfr. Part No. 3VA1140-5ED42-0AA0
Each
TWD19,868.00(exc. GST)
Eaton xEffect - FRCmM RCCB, 80A, 2 Pole, 30mA, 240V ac
  • RS Stock No. 123-268
  • Mfr. Part No. 170386 FRCMM-80/2/003-G/A
Each
TWD18,136.00(exc. GST)
Better World
Schneider Electric Acti 9 Acti9 iDT40N MCB, 4P, 63A Curve C, 10 kA Breaking Capacity
  • RS Stock No. 191-6102
  • Mfr. Part No. A9P24463
Each
TWD13,683.00(exc. GST)
Schneider Electric Altivar Process Modular Busbar Kit
  • RS Stock No. 119-414
  • Mfr. Part No. VW3A99ACFCB
Each
TWD21,507.00(exc. GST)
Hager BDC RCCB, 125A, 2P Pole, 30mA, Type AC
  • RS Stock No. 602-055
  • Mfr. Part No. BDC280E
Each
TWD28,078.00(exc. GST)
Eaton MCCB 3P 63A, Breaking Capacity 80 kA, Fixed Mount
  • RS Stock No. 628-8048
  • Mfr. Part No. 259140 PN1-63
1 Box of 1
TWD7,828.00(exc. GST)
Better World
Siemens, SENTRON MCCB 3P 50A, Breaking Capacity 55 kA
  • RS Stock No. 209-7000
  • Mfr. Part No. 3VA1150-5ED32-0AA0
Each
TWD15,316.00(exc. GST)
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