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 Products showing for Circuit Breakers

17 of 999+
Better World
Siemens, SENTRON MCCB 3P 100A, Breaking Capacity 85 kA, Fixed Mount
  • RS Stock No. 270-3948
  • Mfr. Part No. 3VA2110-6HK32-0AA0
Each
TWD34,933.00(exc. GST)
ABB S803 Circuit Breaker, 3P, 25A Curve C, 440V AC, 375V DC, 15 kA Breaking Capacity
  • RS Stock No. 287-6384
  • Mfr. Part No. 2CCS883001R0254
Each
TWD5,938.00(exc. GST)
Siemens, SENTRON MCCB 3P 70A, Breaking Capacity 7 kA, Fixed Mount
  • RS Stock No. 147-551
  • Mfr. Part No. 3VA5170-5ED31-0AA0
Each
TWD17,558.00(exc. GST)
Better World
Siemens, SENTRON MCCB 3P 25A, Breaking Capacity 150 kA, Fixed Mount
  • RS Stock No. 270-3718
  • Mfr. Part No. 3VA2025-8KP36-0AA0
Each
TWD79,297.00(exc. GST)
Better World
Siemens, SENTRON MCCB 1P 125A, Breaking Capacity 55 kA, Fixed Mount
  • RS Stock No. 271-9725
  • Mfr. Part No. 3VA1112-5ED16-0AA0
Each
TWD16,273.00(exc. GST)
Siemens, Sentron MCCB Molded Case Circuit Breaker 3P 1kA, Breaking Capacity 25 kA, Cable Mount
  • RS Stock No. 249-128
  • Mfr. Part No. 3VA6610-5KT36-0AA0
Each
TWD324,524.00(exc. GST)
Hager BF RCCB, 63A, 3P Pole, 300mA, Type AC
  • RS Stock No. 602-079
  • Mfr. Part No. BP364
Each
TWD16,551.00(exc. GST)
Better World
Siemens, SENTRON MCCB 3P 40A, Breaking Capacity 25 kA, Fixed Mount
  • RS Stock No. 874-4284
  • Mfr. Part No. 3VA1140-3ED36-0AA0
Each
TWD14,867.00(exc. GST)
Better World
Siemens, SENTRON MCCB 3P 40A, Breaking Capacity 85 kA, Fixed Mount
  • RS Stock No. 211-3788
  • Mfr. Part No. 3VA2140-6HN36-0AA0
Each
TWD37,622.00(exc. GST)
Better World
Schneider Electric, PowerPact MCCB Molded Case Circuit Breaker 3P 45A
  • RS Stock No. 221-0895
  • Mfr. Part No. BDL36045LU
Each
TWD18,462.00(exc. GST)
Hager CFF RCD Switch, 40A, 2 Pole, 300mA, Type F, 230V
  • RS Stock No. 599-732
  • Mfr. Part No. CFF140F
Each
TWD12,649.00(exc. GST)
Better World
Siemens, SENTRON MCCB 3P 32A, Breaking Capacity 55 kA
  • RS Stock No. 209-6989
  • Mfr. Part No. 3VA1132-5ED32-0AA0
Each
TWD15,316.00(exc. GST)
Eaton xEffect RCCB, 80A, 4 Pole, 300mA, Type B, 240V ac
  • RS Stock No. 242-956
  • Mfr. Part No. 187809 FRCMM-80/4/03-S/B
Each
TWD78,951.00(exc. GST)
Hager BFC RCCB, 125A, 4P Pole, 300mA, Type AC
  • RS Stock No. 602-191
  • Mfr. Part No. BFC480E
Each
TWD18,209.00(exc. GST)
Hager BFH RCCB, 40A, 4 Pole, 300mA, Type A-HI
  • RS Stock No. 597-991
  • Mfr. Part No. BFH843
Each
TWD16,429.00(exc. GST)
Better World
Schneider Electric Multi 9 C60SP MCB, 3P, 20A Curve B, 440V AC, 15 kA Breaking Capacity
  • RS Stock No. 211-2344
  • Mfr. Part No. M9F21320
Each
TWD6,138.00(exc. GST)
Better World
Siemens, SENTRON MCCB 4P 40A, Breaking Capacity 110 kA, Fixed Mount
  • RS Stock No. 270-3769
  • Mfr. Part No. 3VA2040-7HM46-0AA0
Each
TWD127,840.00(exc. GST)
Better World
Schneider Electric Multi 9 MCB, 4P, 25A, 1.5 kA Breaking Capacity
  • RS Stock No. 219-9172
  • Mfr. Part No. M9R81425
Each
TWD14,677.00(exc. GST)
Better World
Schneider Electric Multi 9 C60BP MCB, 3P, 3A Curve D, 440V AC, 15 kA Breaking Capacity
  • RS Stock No. 211-2451
  • Mfr. Part No. M9F43303
Each
TWD10,935.00(exc. GST)
Better World
Siemens SENTRON 5SY4 MCB, 1P, 500mA Curve D, 400V AC, 72V DC, 5 kA Breaking Capacity
  • RS Stock No. 212-8823
  • Mfr. Part No. 5SY4105-8
Each
TWD2,347.00(exc. GST)
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