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

39047 Products showing for Circuit Breakers

225 of 999+
In Stock
ABB Tmax Rotary Handle for use with Tmax T
  • RS stock no. 237-5986
  • Mfr. Part No. 1SDA054930R1 RENV.URG.RHE_EM F T4-5
Each
R 5,017.98(exc. VAT)
Temporarily out of stock
Eaton RCBO, 25A Current Rating, 2P Poles, 30mA Trip Sensitivity, Type A, Type C, FRBm6 Range
  • RS stock no. 123-089
  • Mfr. Part No. 171793 FRBMM-C25/2/003-A-120
Each
R 3,596.45(exc. VAT)
Temporarily out of stock
Eaton RCBO, 10A Current Rating, 2P Poles, 30mA Trip Sensitivity, Type A, Type C, FRBDM Range
  • RS stock no. 120-978
  • Mfr. Part No. 168202 FRBDM-C10/2/003-G/A
Each
R 3,900.39(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 160A, Breaking Capacity 5 kA, Fixed Mount
  • RS stock no. 255-369
  • Mfr. Part No. 265740 NZMN2-S160
Each
R 19,157.96(exc. VAT)
Temporarily out of stock
Eaton RCBO, 13A Current Rating, 2P Poles, 100mA Trip Sensitivity, Type A, Type C, FRBmM Range
  • RS stock no. 123-669
  • Mfr. Part No. 170831 FRBMM-C13/2/01-LIA
Each
R 3,093.35(exc. VAT)
Temporarily out of stock
Eaton xEffect - FRCmM RCCB, 100A, 4 Pole, 300mA, 240/415V ac
  • RS stock no. 123-577
  • Mfr. Part No. 170307 FRCMM-100/4/03-G/A
Each
R 21,185.73(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 160A, Breaking Capacity 5 kA, Fixed Mount
  • RS stock no. 258-806
  • Mfr. Part No. 271152 NZMH2-VE160-NA
Each
R 38,010.85(exc. VAT)
Temporarily out of stock
Eaton PKE65/AK Electronic Circuit Breaker 65A , Fixed
  • RS stock no. 120-831
  • Mfr. Part No. 158247 PKE65/AK
Each
R 3,506.70(exc. VAT)
Temporarily out of stock
Eaton RCBO, 25A Current Rating, 2P Poles, 10mA Trip Sensitivity, Type A, Type C, FRBdM Range
  • RS stock no. 121-004
  • Mfr. Part No. 168302 FRBDM-C25/2/001-G/A
Each
R 4,730.85(exc. VAT)
Temporarily out of stock
Schneider Electric ComPacT New Generation Trip Unit for use with ComPacT NSX 250 Circuit Breakers
  • RS stock no. 260-7854
  • Mfr. Part No. C256MA220
Each
R 13,872.30(exc. VAT)
Temporarily out of stock
Eaton NZM Jumper Link for use with N2-4-200(250)-S1(-S15)-DC
  • RS stock no. 120-247
  • Mfr. Part No. 168596 NZM2-4-XKVI1P-K
Each
R 5,878.83(exc. VAT)
Temporarily out of stock
Hager BFD RCCB, 40A, 1P+N Pole, 300mA, Type F
  • RS stock no. 602-047
  • Mfr. Part No. BFD240F
Each
R 10,220.87(exc. VAT)
Temporarily out of stock
Allen Bradley 1492-D2 1492-D MCB, 2P, 16A Curve C, 10 kA Breaking Capacity
  • RS stock no. 218-8557
  • Mfr. Part No. 1492-D2C160
Each
R 2,088.50(exc. VAT)
Temporarily out of stock
Siemens SENTRON Connection Unit for use with 3VA15/25 1000
  • RS stock no. 269-7225
  • Mfr. Part No. 3VA9603-0QB00
Each (In a Pack of 3)
R 978.90(exc. VAT)
In Stock
Allen Bradley, 140G MCCB 3P 800A, Module Frame Mount
  • RS stock no. 261-2932
  • Mfr. Part No. 140G-M5X3
Each
R 39,798.48(exc. VAT)
Unavailable
Schneider Electric Acti 9 iC60N MCB, 3P, 25A Curve B, 440V AC, 144V DC, 6 kA Breaking Capacity
  • RS stock no. 776-8955
  • Mfr. Part No. A9F73325
Each
R 661.98(exc. VAT)
Temporarily out of stock
Siemens 5SV43 RCCB, 63A, 4 Pole, 30mA, Type AC, 400V
  • RS stock no. 328-514
  • Mfr. Part No. 5SV4346-0MB
Each
R 6,672.20(exc. VAT)
In Stock
Schneider Electric Resi9 R9F2 MCB, 3P, 32A Curve C, 400V AC, 10 kA Breaking Capacity
  • RS stock no. 212-088
  • Mfr. Part No. R9F28332
Each
R 4,370.48(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB 4P 300A, Breaking Capacity 100 kA, Fixed Mount
  • RS stock no. 256-566
  • Mfr. Part No. 3VA5330-7GC41-2AA0
Each
R 48,031.69(exc. VAT)
In Stock
ABB Tmax XT Changeover Contact for use with Circuit Breaker
  • RS stock no. 232-0184
  • Mfr. Part No. 1SDA066433R1 AUX-C 2Q+1SY 250V XT1..XT4
Each
R 2,125.78(exc. VAT)
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