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

39184 Products showing for Circuit Breakers

353 of 999+
Temporarily out of stock
Allen Bradley 1492-SP 1492-SPM MCB, 3P, 30A Curve D
  • RS Stock No. 218-8889
  • Mfr. Part No. 1492-SPM3D300
Each
€85.87(exc. VAT)
Temporarily out of stock
Phoenix Contact 1 Phase Surge Protector, 80kA, 1500V (Volts), DIN Rail Mount
  • RS Stock No. 131-664
  • Mfr. Part No. 2910377
Each
€141.89(exc. VAT)
Temporarily out of stock
Siemens SENTRON Undervoltage Release for use with 3VA4/5/6
  • RS Stock No. 157-826
  • Mfr. Part No. 3VA9978-0BB14
Each
€127.31(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 4P 400A, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 249-827
  • Mfr. Part No. 3VA6440-5KM41-0AA0
Each
€3,964.38(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 60A, Breaking Capacity 18.5 kA, Fixed Mount
  • RS Stock No. 253-896
  • Mfr. Part No. 269160 NZMB2-AF60-NA
Each
€499.00(exc. VAT)
Temporarily out of stock
Schneider Electric Acti9 Acti9 iC60 MCB, 1P, 1.6A Curve K, 240V AC, 72V DC, 100 kA Breaking Capacity
  • RS Stock No. 444-262
  • Mfr. Part No. A9F95172
Each
€314.29(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB Molded Case Circuit Breaker 4P 30A, Breaking Capacity 5 kA, Cable Mount, Panel Mount
  • RS Stock No. 148-566
  • Mfr. Part No. 3VA5130-4ED41-0AA0
Each
€320.04(exc. VAT)
In Stock
Better World
Schneider Electric Multi 9 C60SP MCB, 3P, 32A Curve D, 440V AC, 15 kA Breaking Capacity
  • RS Stock No. 211-2405
  • Mfr. Part No. M9F23332
Each
€85.94(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric MCCB
  • RS Stock No. 221-1074
  • Mfr. Part No. LV434063
Each
€658.68(exc. VAT)
Temporarily out of stock
Schneider Electric Acti9 iID RCCB, 100A, 2 Pole, 240V
  • RS Stock No. 207-171
  • Mfr. Part No. A9R14291
Each
€207.44(exc. VAT)
In Stock
Better World
Schneider Electric Vigi iDT40 RCD, 40A, 1+N Pole, 30mA, 230V ac
  • RS Stock No. 191-6146
  • Mfr. Part No. A9Y62640
Each
€274.00(exc. VAT)
Temporarily out of stock
Siemens ALPHA Assembly Kit for use with 3VL Molded Case Circuit Breakers
  • RS Stock No. 629-281
  • Mfr. Part No. 8GK4701-2KK12
Each
€90.18(exc. VAT)
In Stock
Phoenix Contact Surge Arrester, 1A, 1.5kV, DIN Rail Mount
  • RS Stock No. 267-1595
  • Mfr. Part No. 1248960
Each
€347.90(exc. VAT)
Temporarily out of stock
ABB 3 Phase Busbar, 690V ac
  • RS Stock No. 140-523
  • Mfr. Part No. 2CCS800900R0101
Each
€122.51(exc. VAT)
In Stock
Schneider Electric R9E RCCB, 63A, 2 Pole, 30mA, Type AC, 230V
  • RS Stock No. 276-8942
  • Mfr. Part No. R9ERC263
Each
€146.34(exc. VAT)
In Stock
Allen Bradley MCCB Molded Case Circuit Breaker 3P 100A
  • RS Stock No. 255-1634
  • Mfr. Part No. 140G-G2C3-D10
Each
€361.37(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB Molded Case Circuit Breaker 4P 40A, Breaking Capacity 70 kA, DIN Rail Mount
  • RS Stock No. 271-9343
  • Mfr. Part No. 3VA1140-6GF46-0AA0
Each
€409.76(exc. VAT)
Temporarily out of stock
ABB System Pro M Compact S200M MCB, 3+N, 6A Curve C, 400V AC, 125V DC, 15 kA Breaking Capacity
  • RS Stock No. 200-791
  • Mfr. Part No. 2CDS273103R0064
Each
€170.35(exc. VAT)
Temporarily out of stock
ABB PS1 1 Phase Busbar, 400V
  • RS Stock No. 231-9634
  • Mfr. Part No. 2CDL210001R3060 PS1/60/30
1 Box of 1
€41.23(exc. VAT)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 4P 630A, Fixed Mount
  • RS Stock No. 260-8264
  • Mfr. Part No. C63W45E630
Each
€6,591.13(exc. VAT)
1
353
1960
Results per page

Related links