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

39059 Products showing for Circuit Breakers

20 of 999+
Siemens SIRIUS Busbar, 690V
  • RS stock no. 755-3003
  • Mfr. Part No. 3RV2928-1H
Each
R 345.89(exc. VAT)
Schneider Electric Acti 9 IC60a MCB, 2P, 16A, Type AC
  • RS stock no. 209-1310
  • Mfr. Part No. A9F64216
Each
R 1,200.37(exc. VAT)
Better World
Schneider Electric, ComPacT New Generation Circuit breaker 3P 63A, Breaking Capacity 50 kA, Fixed Mount
  • RS stock no. 254-6298
  • Mfr. Part No. C10N3TM063
Each
R 14,706.67(exc. VAT)
Better World
Schneider Electric Acti 9 iC60N MCB, 3P, 32A Curve C, 100 → 130V AC, 12 → 144V DC, 6 kA Breaking Capacity
  • RS stock no. 734-9166
  • Mfr. Part No. A9F77332
Each
R 1,370.49(exc. VAT)
ABB SMISSLINE TP MCB, 2P, 25A Curve D, 400V AC
  • RS stock no. 246-2530
  • Mfr. Part No. 2CCS571103R8251
Each
R 1,993.11(exc. VAT)
Schneider Electric Acti 9 C120 MCB, 4P, 80A Curve C
  • RS stock no. 209-1329
  • Mfr. Part No. A9N18372
Each
R 7,459.25(exc. VAT)
Better World
Schneider Electric TeSys Thermal Circuit Breaker - TeSyS GV 3 Pole 690V Voltage Rating DIN Rail Mount, 50A Current
  • RS stock no. 272-943
  • Mfr. Part No. GV3P50
Each
R 5,875.79(exc. VAT)
Europa 3 Phase Distribution Board, 24 Way, 125 A
  • RS stock no. 849-6418
  • Mfr. Part No. TPN08
Each
R 5,583.77(exc. VAT)
ABB, XT2S MCCB 3P 50A, Fixed Mount
  • RS stock no. 236-7356
  • Mfr. Part No. 1SDA067555R1 XT2S 160 TMA 50A FF
Each
R 7,491.11(exc. VAT)
Schneider Electric, ComPacT New Generation MCCB 3P 150A, Fixed Mount
  • RS stock no. 260-7779
  • Mfr. Part No. C16H3MA150
Each
R 23,502.78(exc. VAT)
Allen Bradley, 140UT MCCB 3P 3A, Breaking Capacity 65 kA, Fixed Mount
  • RS stock no. 273-2419
  • Mfr. Part No. 140UT-D7D3-B30
Each
R 5,098.28(exc. VAT)
Schneider Electric ComPacT New Generation Trip Unit for use with ComPacT NSX160
  • RS stock no. 260-7717
  • Mfr. Part No. C163TM160
Each
R 7,229.10(exc. VAT)
Hager NFN MCB, 2P, 10A Curve C, 240 → 400V AC, 10 kA Breaking Capacity
  • RS stock no. 144-4712
  • Mfr. Part No. NFN210
Each
R 1,906.33(exc. VAT)
Schneider Electric, ComPacT NSX MCCB 3P 200A, Breaking Capacity 36 kA, Panel Mount
  • RS stock no. 654-716
  • Mfr. Part No. IL2003P36
Each
R 21,316.03(exc. VAT)
ABB Tmax XT Handle, Lockable for use with Circuit Breaker
  • RS stock no. 232-0282
  • Mfr. Part No. 1SDA069055R1 RHE XT2-XT4 F/P
Each
R 3,173.75(exc. VAT)
Better World
Schneider Electric, ComPacT NSX MCCB 3P 160A, Fixed Mount
  • RS stock no. 254-6345
  • Mfr. Part No. C16F3TM160
Each
R 20,937.52(exc. VAT)
Schurter Thermal Circuit Breaker - TA45 2 Pole 60 V dc, 240V ac Voltage Rating Panel Mount, 10A Current Rating
  • RS stock no. 868-9169
  • Mfr. Part No. 4430.2078
Each
R 580.85(exc. VAT)
Schneider Electric Phase Barrier for use with ComPact NS630b → 1600 Circuit Breaker
  • RS stock no. 247-1855
  • Mfr. Part No. 33646
Each
R 1,326.37(exc. VAT)
ABB 36 Way Plastic Consumer Unit, 125A, IP65 Mistral65
  • RS stock no. 811-1903
  • Mfr. Part No. 1SL1206A00 65P12X32
Each
R 2,763.92(exc. VAT)
Schneider Electric, ComPact MCCB Molded Case Circuit Breaker 3P 150A, Fixed Mount
  • RS stock no. 221-1045
  • Mfr. Part No. LV433502
Each
R 44,485.96(exc. VAT)
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