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
RCDs
RCDs
Surge Protection Devices
Surge Protection Devices
Thermal Breakers
Thermal Breakers

39187 Products showing for Circuit Breakers

13 of 999+
Temporarily out of stock
Better World
Siemens Sentron 5SY4 MCB, 1P, 25A Curve D, 230V AC, 10 kA Breaking Capacity
  • RS Stock No. 772-1271
  • Mfr. Part No. 5SY4125-8
Each
€22.44(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 iC60H MCB, 1P, 40A Curve D, 100 → 133V AC, 72V DC, 10 kA Breaking Capacity
  • RS Stock No. 791-3483
  • Mfr. Part No. A9F55140
Each
€25.63(exc. VAT)
Temporarily out of stock
Siemens 5SM34 RCCB, 100A, 2 Pole, 100mA, Type A, 230V
  • RS Stock No. 328-488
  • Mfr. Part No. 5SM3418-6KK
Each
€289.79(exc. VAT)
In Stock
ABB System Pro M Compact S200M MCB, 1P, 16A Curve C, 253V AC, 72V DC, 10 kA Breaking Capacity
  • RS Stock No. 535-4150
  • Mfr. Part No. 2CDS271001R0164 S201M-C16
Each
€22.01(exc. VAT)
In Stock
MEAN WELL Surge Protector, 20kA, 1500V (Volts)
  • RS Stock No. 424-954
  • Mfr. Part No. SPD-20-240P
Each
€15.35(exc. VAT)
Temporarily out of stock
Eaton PXF-A RCCB, 25A, 3+N Pole, 500mA, Type A
  • RS Stock No. 490-181
  • Mfr. Part No. 236775 PXF-25/4/05-A
Each
€103.00(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric RCBO, 32A Current Rating, 3P+N Poles, 30mA Trip Sensitivity, Type C, Acti9 Range
  • RS Stock No. 238-3277
  • Mfr. Part No. A9DB3732
Each
€427.13(exc. VAT)
In Stock
Schneider Electric, ComPacT NSX MCCB 3P 160A, Fixed Mount
  • RS Stock No. 254-6342
  • Mfr. Part No. C16F3
Each
€405.82(exc. VAT)
In Stock
Better World
ABB System Pro M Compact S200 MCB, 2P, 10A Curve C, 400V AC, 6 kA Breaking Capacity
  • RS Stock No. 746-7719
  • Mfr. Part No. 2CDS252001R0104 S202-C10
Each
€50.67(exc. VAT)
In Stock
RS PRO Industrial Surge Protector, 40kA, 2.8kV, DIN Rail Mount
  • RS Stock No. 101-772
Each
€42.56(exc. VAT)
In Stock
Better World
Siemens Sentron 5SY4 MCB, 3P, 40A Curve C, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 124-3177
  • Mfr. Part No. 5SY4340-7
Each
€103.34(exc. VAT)
Temporarily out of stock
Eaton RCBO, 40A Current Rating, 2P Poles, 100mA Trip Sensitivity, Type A, Type C, FRBm6 Range
  • RS Stock No. 123-676
  • Mfr. Part No. 170836 FRBM6-C40/2/01-LIA
Each
€179.00(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 iC60H MCB, 3P, 63A Curve C, 440V AC, 100 → 133V DC, 10 kA Breaking Capacity
  • RS Stock No. 791-3405
  • Mfr. Part No. A9F54363
Each
€115.08(exc. VAT)
In Stock
ABB Busbar Cover, 690V
  • RS Stock No. 445-0689
  • Mfr. Part No. 1SAM201908R1001 BS1-3
Each
€1.61(exc. VAT)
Temporarily out of stock
ABB Tmax XT Undervoltage Release for use with Tmax XT
  • RS Stock No. 237-6060
  • Mfr. Part No. 1SDA066400R1 UVR-C XT1..XT4 F/P 380-440
Each
€156.15(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric Acti 9 3 Phase Distribution Board, 18 Way, 250 A
  • RS Stock No. 125-1414
  • Mfr. Part No. SEA9BN18PEV
Each
€505.64(exc. VAT)
In Stock
RS PRO MCB, 3P, 63A Curve C, 240 → 415V AC, 10 kA Breaking Capacity
  • RS Stock No. 265-0210
Each
€42.17(exc. VAT)
In Stock
Schneider Electric RCBO, 32A Current Rating, 3P+N Poles, 30mA Trip Sensitivity, Type C, Acti9 Range
  • RS Stock No. 654-790
  • Mfr. Part No. A9DC3732
Each
€213.07(exc. VAT)
Temporarily out of stock
Eaton PFIM RCCB, 63A, 4 Pole, 300mA, Type F, Type S, 230V ac
  • RS Stock No. 242-935
  • Mfr. Part No. 187364 PFIM-63/4/03-S/F
Each
€325.00(exc. VAT)
In Stock
Schneider Electric, Wiser, 16A, POWERTAG, Wireless
  • RS Stock No. 341-239
  • Mfr. Part No. CCTFR6730
Each
€63.99(exc. VAT)
Results per page
1
13
1960

Related links