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

38823 Producten voor Circuit Breakers

47 van 999+
TE Connectivity Thermal Circuit Breaker - W23 Single Pole 50 V dc, 250V ac Voltage Rating, 35A Current Rating
  • RS-stocknr. 782-0870
  • Fabrikantnummer W23-X1A1G-35
Per stuk
€ 44,08(excl. BTW)
Better World
ABB System Pro M Compact S200 MCB, 3P, 32A Curve C, 400V AC, 10 kA Breaking Capacity
  • RS-stocknr. 746-7772
  • Fabrikantnummer 2CDS253001R0324 S203-C32
Per stuk
€ 125,75(excl. BTW)
Eaton Eaton Moeller Series NZM Connection Unit for use with N2, NZM2, PN2
  • RS-stocknr. 255-643
  • Fabrikantnummer 266765 NZM2-XKR
Per stuk
€ 94,03(excl. BTW)
Better World
Siemens SENTRON 5SL6 MCB, 1+N, 25A Curve C, 230V AC, 72V DC
  • RS-stocknr. 213-1056
  • Fabrikantnummer 5SL6525-7
Per stuk
€ 34,73(excl. BTW)
ABB F200 RCCB, 63A, 4 Pole, 100mA, Type AC, 230V ac
  • RS-stocknr. 225-6120
  • Fabrikantnummer 2CSF204001R2630 F204 AC-63/0,1
Per stuk
€ 150,60(excl. BTW)
Siemens SENTRON Terminal for use with 3VA6 150/250
  • RS-stocknr. 269-7160
  • Fabrikantnummer 3VA9243-0JH12
Per stuk (in een verpakking 3)
€ 24,51(excl. BTW)
Better World
Siemens 5SV3 RCCB, 80A, 4 Pole, 300mA, Type A, 400V ac
  • RS-stocknr. 211-9712
  • Fabrikantnummer 5SV3647-6
Per stuk
€ 651,55(excl. BTW)
Legrand DX3 Circuit Breaker - 2 Pole 400V Voltage Rating, 3A Current Rating
  • RS-stocknr. 266-1339
  • Fabrikantnummer 409215
Per stuk
€ 197,80(excl. BTW)
Better World
ABB, Tmax XT MCCB 4P 25A, Fixed Mount
  • RS-stocknr. 236-6685
  • Fabrikantnummer 1SDA068315R1 XT4S 160 TMD 25A FF
Per stuk
€ 970,96(excl. BTW)
Legrand 230V ac Circuit Breaker MCB
  • RS-stocknr. 266-1356
  • Fabrikantnummer 410760
Per stuk
€ 378,26(excl. BTW)
ABB 230 → 400V ac Isolator Circuit Trip for use with Commanding Load
  • RS-stocknr. 225-5977
  • Fabrikantnummer 2CDE283001R0063
Per stuk
€ 71,05(excl. BTW)
Siemens SENTRON Connection Unit for use with 3VA5 125
  • RS-stocknr. 269-7106
  • Fabrikantnummer 3VA9134-0QB00
Per stuk (in een verpakking 4)
€ 16,64(excl. BTW)
Eaton Eaton Moeller NZM Door Coupling Handle for use with N3, NZM3
  • RS-stocknr. 256-768
  • Fabrikantnummer 271447 NZM3-XTVD-NA
Per stuk
€ 195,94(excl. BTW)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 18A, Breaking Capacity 25 kA, Fixed Mount
  • RS-stocknr. 231-452
  • Fabrikantnummer 107656 NZMB2-S18-BT-CNA
Per stuk
€ 590,85(excl. BTW)
Schneider Electric ComPact Mechanical Interlock Kit for use with ComPact NSX Circuit Breaker
  • RS-stocknr. 247-1754
  • Fabrikantnummer 32609
Per stuk
€ 765,97(excl. BTW)
ABB 2 Phase Industrial Surge Protector, 100kA, 1.5kV
  • RS-stocknr. 237-6639
  • Fabrikantnummer 2CTB803972R0500
Per stuk
€ 268,55(excl. BTW)
ABB RCBO, 50A Current Rating, 1P Poles, Type B
  • RS-stocknr. 237-5231
  • Fabrikantnummer 2CSR275051R0505
Per stuk
€ 131,84(excl. BTW)
Schneider Electric Adapter for use with Compact INS Circuit Breaker, Compact INV Circuit Breaker
  • RS-stocknr. 247-1745
  • Fabrikantnummer 31302
Per stuk
€ 548,64(excl. BTW)
WAGO Electronic Circuit Breaker 10A 12V 787, 4 channels , DIN Rail
  • RS-stocknr. 279-4102
  • Fabrikantnummer 787-1664/000-100
Per stuk
€ 276,00(excl. BTW)
WAGO EPSITRON Electronic Circuit breaker 1A 30V 787-2861, 1 channels , DIN Rail Mount
  • RS-stocknr. 177-6026
  • Fabrikantnummer 787-2861/100-000
Per stuk
€ 73,26(excl. BTW)
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