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

224 of 999+
In Stock
Better World
Schneider Electric iC60 RCD, 25A, 2 Pole, 30mA, Type AC, 230 → 240V ac
  • RS Stock No. 734-9071
  • Mfr. Part No. A9Q11225
Each
TWD9,804.00(exc. GST)
In Stock
Sensata Airpax Airpax Thermal Circuit Breaker - M39019 2 Pole Panel Mount, 20A Current Rating
  • RS Stock No. 275-0429
  • Mfr. Part No. M39019/03-333S
1 Box of 3
TWD178,933.00(exc. GST)
Temporarily out of stock
Siemens, SENTRON MCCB 4P 800A, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 270-4849
  • Mfr. Part No. 3VA2580-6HK42-0AA0
Each
TWD449,499.00(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 3P 250A, Fixed Mount
  • RS Stock No. 260-7858
  • Mfr. Part No. C25B32D250
Each
TWD66,508.00(exc. GST)
Temporarily out of stock
Siemens SENTRON Wire Connector for use with 3VA5 250
  • RS Stock No. 269-7148
  • Mfr. Part No. 3VA9233-0JK12
Each (In a Pack of 3)
TWD3,925.70(exc. GST)
Temporarily out of stock
Better World
Siemens, Sentron MCCB Molded Case Circuit Breaker 4P 250A, Breaking Capacity 3 kA
  • RS Stock No. 245-577
  • Mfr. Part No. 3VA6225-5HM41-0AA0
Each
TWD113,373.00(exc. GST)
Temporarily out of stock
ABB Plastic Consumer Unit, IP41 1SLM004100A
  • RS Stock No. 286-4967
  • Mfr. Part No. 1SLM004100A1908
Each
TWD1,236.00(exc. GST)
In Stock
Better World
ABB System Pro M Compact S200 MCB, 4P, 100A Curve C, 440V AC, 6 kA Breaking Capacity
  • RS Stock No. 231-9688
  • Mfr. Part No. 2CDS254001R0824 S204-C100 6kA
1 Box of 1
TWD8,500.00(exc. GST)
Temporarily out of stock
Eaton xEnergy Main Distribution Board
  • RS Stock No. 258-165
  • Mfr. Part No. 285522 XPNBCB0606
Each
TWD3,870.00(exc. GST)
Temporarily out of stock
Better World
ABB Emax2 Electronic Circuit Breaker 3.2kA Ekip Touch LSIG, 3 channels
  • RS Stock No. 259-3278
  • Mfr. Part No. 1SDA071176R1
Each
TWD759,838.00(exc. GST)
Temporarily out of stock
Phoenix Contact Mounting Base for use with Thermomagnetic Device Circuit Breakers
  • RS Stock No. 248-2236
  • Mfr. Part No. 0916589
Each (In a Pack of 10)
TWD1,741.00(exc. GST)
In Stock
Lovato P1RD Residual Current Circuit Breaker, 63A, 2 Pole, 300mA, Type AC, 230V ac
  • RS Stock No. 277-5044
  • Mfr. Part No. P1RD2P63AC300
Each
TWD6,862.00(exc. GST)
Temporarily out of stock
ABB MCCB Molded Case Circuit Breaker 3P 630A, Fixed Mount
  • RS Stock No. 250-4133
  • Mfr. Part No. 1SDA054399R1
Each
TWD164,159.00(exc. GST)
Limited stock
Legrand HX Busbar Connector
  • RS Stock No. 823-4680
  • Mfr. Part No. 4 049 05
Each
TWD330.00(exc. GST)
Temporarily out of stock
Eaton RCBO, 13A Current Rating, 3+N Poles, 30mA Trip Sensitivity, Type D, xPole Range
  • RS Stock No. 232-173
  • Mfr. Part No. 120671 mRB6-13/3N/D/003-A
Each
TWD17,012.00(exc. GST)
In Stock
Schneider Electric Single Pole Splitter Block for use with AB3 Series, AK2 Series
  • RS Stock No. 307-7609
  • Mfr. Part No. AB3RV162U
Each
TWD398.00(exc. GST)
In Stock
Phoenix Contact CLIPLINE Thermal Circuit Breaker - UT 6-TMC Single Pole 250V Voltage Rating DIN Rail Mount, 1A Current
  • RS Stock No. 684-3585
  • Mfr. Part No. 0916604
Each
TWD555.00(exc. GST)
Temporarily out of stock
Eaton Eaton xEnergy Main Busbar Support for use with Busbar
  • RS Stock No. 257-807
  • Mfr. Part No. 294117 XBSB254-100
Each
TWD9,349.00(exc. GST)
Temporarily out of stock
Siemens, SENTRON MCCB Molded Case Circuit Breaker 3P 800A, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 250-091
  • Mfr. Part No. 3VA6580-5HM36-2AA0
Each
TWD224,523.00(exc. GST)
Temporarily out of stock
Phoenix Contact EC-E4 10A Electronic Circuit Breaker 10A 24V EC-E, 1 channels , DIN Rail
  • RS Stock No. 131-323
  • Mfr. Part No. 0903038
Each (In a Pack of 6)
TWD3,261.30(exc. GST)
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