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

38831 Producten voor Circuit Breakers

25 van 999+
ETA Thermal Circuit Breaker - 2-5700 Single Pole 250V ac Voltage Rating Panel Mount, 20A Current Rating
  • RS-stocknr. 288-4090
  • Fabrikantnummer 2-5700-IG2-P10-20A
Per stuk
€ 19,17(excl. BTW)
Better World
Schneider Electric Multi 9 MCB Mini Circuit Breaker, 2P, 25A Curve C, 240V AC
  • RS-stocknr. 256-6759
  • Fabrikantnummer M9F22225
Per stuk
€ 68,42(excl. BTW)
Phoenix Contact TRABTECH Thermal Circuit Breaker - CB TM1 4A SFB P Single Pole 50V dc Voltage Rating, 4A Current Rating
  • RS-stocknr. 768-0852
  • Fabrikantnummer 2800839
Per stuk
€ 37,17(excl. BTW)
Better World
Schneider Electric Compact NSX Connecting Terminals for use with Compact NSX circuit breaker
  • RS-stocknr. 211-2640
  • Fabrikantnummer LV429248
Per stuk
€ 151,41(excl. BTW)
Phoenix Contact Surge Suppressor Unit, 0.000005A, 1300V (Volts), DIN Rail Mount
  • RS-stocknr. 254-4839
  • Fabrikantnummer 2950103
Per stuk (in een verpakking 5)
€ 57,378(excl. BTW)
Contactum MCB, 1P, 32A Curve B, 250V AC, 10 kA Breaking Capacity
  • RS-stocknr. 184-9039
  • Fabrikantnummer CPB1032B
Per stuk
€ 6,61(excl. BTW)
Schneider Electric MCCB 4P, Fixed Mount
  • RS-stocknr. 178-7898
  • Fabrikantnummer LV426961
Per stuk
€ 50,47(excl. BTW)
Better World
ABB System Pro M Compact S200 MCB, 1P, 1.6A Curve D
  • RS-stocknr. 237-3192
  • Fabrikantnummer 2CDS251001R0971
Per stuk
€ 50,98(excl. BTW)
Better World
Schneider Electric NSX Motor Mechanism for use with ComPact NSX250
  • RS-stocknr. 213-1346
  • Fabrikantnummer LV431546
Per stuk
€ 823,93(excl. BTW)
Phoenix Contact Thermal Circuit Breaker - CB TM1 Single Pole 50V dc Voltage Rating, 2A Current Rating
  • RS-stocknr. 217-6359
  • Fabrikantnummer 2800837
Per stuk
€ 37,17(excl. BTW)
Better World
Siemens SENTRON Cover for use with 3VA1 250
  • RS-stocknr. 210-9317
  • Fabrikantnummer 3VA9211-0WF30
Per stuk
€ 31,51(excl. BTW)
Siemens Sirius Innovation Support F Stand-Alone Installation for use with 3RB30, 3RB31 SZ.S2, 3RU21
  • RS-stocknr. 875-1103
  • Fabrikantnummer 3RU2936-3AA01
Per stuk
€ 24,34(excl. BTW)
Allen Bradley 1492 1492-SPM MCB, 2P, 5A Curve B, 277V AC, 96V DC, 10 kA Breaking Capacity
  • RS-stocknr. 125-1431
  • Fabrikantnummer 1492-SPM2B050
Per stuk
€ 81,23(excl. BTW)
Schneider Electric, ComPacT MCCB 4P 100A, Fixed Mount
  • RS-stocknr. 260-7669
  • Fabrikantnummer C11N4TM100L
Per stuk
€ 586,37(excl. BTW)
Eaton, xEnergy MCCB 3P 125A, Breaking Capacity 25 kA, Fixed Mount
  • RS-stocknr. 454-8089
  • Fabrikantnummer 259080 NZMB1-A125
Per stuk
€ 465,35(excl. BTW)
Better World
Siemens 5SV3 RCCB, 40A, 2 Pole, 30mA, Type F, 230V ac
  • RS-stocknr. 209-6567
  • Fabrikantnummer 5SV3314-3
Per stuk
€ 376,73(excl. BTW)
ABB System Pro M Compact S200 MCB, 1P, 32A Curve B, 253V AC, 72V DC, 6 kA Breaking Capacity
  • RS-stocknr. 488-6943
  • Fabrikantnummer 2CDS251001R0325 - S201B32
Per stuk
€ 30,15(excl. BTW)
Phoenix Contact CAPAROC
  • RS-stocknr. 265-8972
  • Fabrikantnummer 1110986
Per stuk
€ 371,74(excl. BTW)
Europa RCCB, 100A, 4 Pole, 100mA, Type AC
  • RS-stocknr. 916-0417
  • Fabrikantnummer EUR1100.100/4
Per stuk
€ 106,96(excl. BTW)
ABB System Pro M Compact S200 MCB, 1P, 16A Curve C, 253V AC, 72V DC, 6 kA Breaking Capacity
  • RS-stocknr. 489-0447
  • Fabrikantnummer 2CDS251001R0164 - S201C16
Per stuk
€ 30,15(excl. BTW)
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