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

39049 Products showing for Circuit Breakers

42 of 999+
In Stock
Better World
Siemens Sentron 5SY6 MCB, 3P, 25A Curve C, 400V AC, 6 kA Breaking Capacity
  • RS stock no. 489-6467
  • Mfr. Part No. 5SY6325-7
Each
R 1,535.34(exc. VAT)
In Stock
Better World
Schneider Electric Multi 9 C60N MCB, 1P, 6A Curve C, 10 kA Breaking Capacity
  • RS stock no. 214-2057
  • Mfr. Part No. M9F11106
Each
R 728.61(exc. VAT)
In Stock
Better World
Schneider Electric RCBO, 6A Current Rating, 1P Poles, 30mA Trip Sensitivity, Type C, Multi 9 Range
  • RS stock no. 214-2050
  • Mfr. Part No. M9D11606
Each
R 5,049.83(exc. VAT)
Temporarily out of stock
ABB S803S RCCB, 32A, 3 Pole, 690V
  • RS stock no. 140-324
  • Mfr. Part No. 2CCS803901R0539
Each
R 13,210.69(exc. VAT)
In Stock
Better World
Schneider Electric Linergy Combination Block for use with TeSys GV2TeSys D
  • RS stock no. 219-9082
  • Mfr. Part No. GV2AF5
Each (In a Pack of 10)
R 160.733(exc. VAT)
In Stock
Better World
ABB Compact Home SH200 MCB, 2P, 16A Curve C, 400V AC, 400V DC, 6 kA Breaking Capacity
  • RS stock no. 231-9656
  • Mfr. Part No. 2CDS212001R0164 SH202-C 16
1 Box of 1
R 996.41(exc. VAT)
In Stock
Eaton Moeller Series Plastic Enclosure for Use with PKZ0, 105 x 100mm
  • RS stock no. 272-2285
  • Mfr. Part No. 219653 CI-K2-PKZ0
Each
R 459.69(exc. VAT)
In Stock
Eaton CI-K Enclosure for use with PKZM
  • RS stock no. 272-2317
  • Mfr. Part No. 260363 CI-K2H-PKZ0-G
Each
R 533.98(exc. VAT)
In Stock
Siemens SENTRON 5SJ4 MCB, 1P, 2A Curve C, 14 kA Breaking Capacity
  • RS stock no. 202-7152
  • Mfr. Part No. 5SJ4102-7HG40
Each
R 1,068.80(exc. VAT)
Temporarily out of stock
Better World
Siemens SIRIUS Electronic Circuit Breaker 25A 3RV2, 3 channels , DIN Rail Mount
  • RS stock no. 160-230
  • Mfr. Part No. 3RV2332-4DC10
Each
R 5,913.76(exc. VAT)
In Stock
ABB Tmax XT Rotary Handle for use with SACE Tmax XT
  • RS stock no. 236-6854
  • Mfr. Part No. 1SDA069054R1 RHD_EM XT2-XT4 F/P EMERG
Each
R 2,226.55(exc. VAT)
In Stock
Weidmuller Electronic Circuit breaker 25mA 24V AMG ELM, 1 channels , DIN Rail Mount
  • RS stock no. 179-2994
  • Mfr. Part No. 2080420000
Each
R 645.62(exc. VAT)
Temporarily out of stock
ABB, SACE Tmax T MCCB Molded Case Circuit Breaker 4P 630A, Fixed Mount
  • RS stock no. 232-0089
  • Mfr. Part No. 1SDA054400R1 T5N630 FF PR221-LS 630A
Each
R 60,658.19(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 4P 100A, Breaking Capacity 25 kA, Fixed Mount
  • RS stock no. 209-4853
  • Mfr. Part No. 3VA1110-3EE42-0AA0
Each
R 6,722.81(exc. VAT)
In Stock
Legrand DX3 RCD, 32A, 1+N Pole, 30mA, Type C
  • RS stock no. 731-9865
  • Mfr. Part No. 4 107 16
Each
R 7,014.66(exc. VAT)
In Stock
Better World
Schneider Electric Multi 9 C60SP MCB, 1P, 32A Curve C, 415V AC, 60V DC, 20 kA Breaking Capacity
  • RS stock no. 211-2361
  • Mfr. Part No. M9F22132
Each
R 709.26(exc. VAT)
Currently unavailable
ABB F401 RCCB, 32A, 2 Pole, 30mA, Type B, 240V ac
  • RS stock no. 246-2367
  • Mfr. Part No. 2CCG001675R0001
Each
R 4,332.84(exc. VAT)
In Stock
Rockwell Automation 1694 Electronic Circuit Protectors Electronic Circuit breaker 40A 24V 1694-PFA, 2 channels ,
  • RS stock no. 218-8904
  • Mfr. Part No. 1694-PFA1244
Each
R 696.23(exc. VAT)
Temporarily out of stock
Contactum 10 Way Steel Consumer Unit, 100A Defender
  • RS stock no. 184-9148
  • Mfr. Part No. DDS10188SPMS-P01
Each
R 7,518.53(exc. VAT)
Temporarily out of stock
Allen Bradley 1492-GH Supplementary Protectors Thermal Circuit Breaker - 1492-GH Single Pole 250V ac Voltage Rating,
  • RS stock no. 218-8570
  • Mfr. Part No. 1492-GH020
Each
R 2,071.01(exc. VAT)
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