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

205 of 999+
In Stock
Schneider Electric Resi9 Resi9 XP DM MCB, 1+N, 10A Curve D, 230V AC, 3000 A Breaking Capacity
  • RS Stock No. 287-6092
  • Mfr. Part No. R9PFD610
Each
€43.71(exc. VAT)
Temporarily out of stock
Siemens SENTRON Undervoltage Release
  • RS Stock No. 277-0737
  • Mfr. Part No. 3WA9111-0AE06
Each
€268.37(exc. VAT)
In Stock
ABB Cover for use with ABB Tmax XT3
  • RS Stock No. 831-9217
  • Mfr. Part No. 1SDA066660R1 LTC XT3 3p TERMINAL COVERS LOW 2pcs
1 Pack of 2
€40.06(exc. VAT)
Temporarily out of stock
ABB Tmax XT Cover for use with Tmax XT
  • RS Stock No. 237-6133
  • Mfr. Part No. 1SDA066669R1 HTC XT3 2PCS
Each
€31.57(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB 3P 175A, Breaking Capacity 7 kA, Fixed Mount
  • RS Stock No. 147-991
  • Mfr. Part No. 3VA5217-5EC31-2AA0
Each
€984.14(exc. VAT)
Temporarily out of stock
HENSEL ENYSUN Distribution Board
  • RS Stock No. 117-541
  • Mfr. Part No. Mi MS 2
Each
€49.07(exc. VAT)
In Stock
ABB PS1 1 Phase Busbar, 230 → 400V
  • RS Stock No. 225-5981
  • Mfr. Part No. 2CDL210001R1006 PS1/6
Each
€3.36(exc. VAT)
Temporarily out of stock
Better World
Siemens SENTRON 5SL6 MCB, 2P, 13A Curve C, 400V AC, 72V DC
  • RS Stock No. 213-1039
  • Mfr. Part No. 5SL6213-7
Each
€106.02(exc. VAT)
Temporarily out of stock
Siemens SENTRON Current Transformer for use with 3VA2
  • RS Stock No. 210-9371
  • Mfr. Part No. 3VA9307-0NA10
Each
€498.25(exc. VAT)
In Stock
ABB RCBO, 10A Current Rating, 3P Poles, 30mA Trip Sensitivity, System Pro M Compact Range
  • RS Stock No. 767-4406
  • Mfr. Part No. 2CSR273001R1104 DS203 M AC-C10/0,03
Each
€315.54(exc. VAT)
In Stock
Schneider Electric Resi9 R9F2 MCB, 3P, 32A Curve C, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 212-088
  • Mfr. Part No. R9F28332
Each
€169.90(exc. VAT)
Currently unavailable
Schneider Electric EasyPact Electronic Circuit Breaker 40A, Plug In
  • RS Stock No. 122-349
  • Mfr. Part No. LV510473P
Each
€156.55(exc. VAT)
Temporarily out of stock
Better World
Siemens SENTRON 5SL4 MCB, 3+N, 63A Curve D, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 209-6516
  • Mfr. Part No. 5SL4463-8
Each
€345.08(exc. VAT)
Temporarily out of stock
Siemens SENTRON Undervoltage Release for use with 3VA1 and 3VA20-26
  • RS Stock No. 157-842
  • Mfr. Part No. 3VA9908-0BB13
Each
€93.30(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY8 MCB, 2P, 40A Curve D, 230V AC, 60V DC, 25 kA Breaking Capacity
  • RS Stock No. 610-674
  • Mfr. Part No. 5SY8540-8
Each
€162.00(exc. VAT)
Temporarily out of stock
Allen Bradley 140G Lug Connector for use with Circuit Breaker
  • RS Stock No. 261-2937
  • Mfr. Part No. 140G-M-TLA23
Each
€225.05(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB Molded Case Circuit Breaker 3P 600A, Breaking Capacity 65 kA, Fixed Mount
  • RS Stock No. 249-960
  • Mfr. Part No. 3VA6560-6JP36-2AA0
Each
€4,670.20(exc. VAT)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 4P 1kA, Breaking Capacity 31 kA, Fixed Mount
  • RS Stock No. 341-492
  • Mfr. Part No. C100H42AFM
Each
€13,115.02(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB 4P 600A, Breaking Capacity 35 kA, Fixed Mount
  • RS Stock No. 249-768
  • Mfr. Part No. 3VA6560-5JT42-0AA0
Each
€4,619.02(exc. VAT)
Temporarily out of stock
Eaton xEffect FAZ MCB, 1P, 1.6A Curve B, 240V AC, 60V DC, 10 kA Breaking Capacity
  • RS Stock No. 258-728
  • Mfr. Part No. 278522 FAZ-B1,6/1
Each
€25.10(exc. VAT)
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