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

39047 Products showing for Circuit Breakers

235 of 999+
Temporarily out of stock
ABB RCBO, 50A Current Rating, 4P Poles, Type C
  • RS stock no. 237-5199
  • Mfr. Part No. 2CSR274001R1504
Each
R 9,940.23(exc. VAT)
In Stock
Phoenix Contact Surge Suppressor Unit, 0.000005A, 1300V (Volts), DIN Rail Mount
  • RS stock no. 254-4839
  • Mfr. Part No. 2950103
Each (In a Pack of 5)
R 717.166(exc. VAT)
In Stock
Better World
ABB System Pro M Compact S200 MCB, 2P, 50A Curve C, 400V AC, 125V DC, 10 kA Breaking Capacity
  • RS stock no. 746-7734
  • Mfr. Part No. 2CDS252001R0504 S202-C50
Each
R 1,178.66(exc. VAT)
Temporarily out of stock
ABB S801N MCB, 1P, 25A Curve C, 400V AC, 36 kA Breaking Capacity
  • RS stock no. 140-847
  • Mfr. Part No. 2CCS891001R0254
Each
R 1,493.29(exc. VAT)
In Stock
ABB RCBO, 16A Current Rating, 4P Poles, Type C
  • RS stock no. 237-5098
  • Mfr. Part No. 2CSR254001R1164
Each
R 5,836.97(exc. VAT)
In Stock
Better World
Schneider Electric Compact Ins, Compact Inv, Compact Nsx, Easypact Cvs, Powerpact Multistandard Phase Barrier for use
  • RS stock no. 221-1258
  • Mfr. Part No. LV432570
Each
R 856.06(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 4P 100A, Breaking Capacity 55 kA, Fixed Mount
  • RS stock no. 209-5120
  • Mfr. Part No. 3VA2110-5HN42-0AA0
Each
R 17,133.42(exc. VAT)
Unavailable
Schneider Electric, NSX MCCB 3P 250A, Breaking Capacity 100 kA, Fixed Mount
  • RS stock no. 219-8357
  • Mfr. Part No. LV431391
Each
R 34,734.64(exc. VAT)
Temporarily out of stock
Lovato Add-on blocks Mounting Kit for use with GL Series Switch Disconnectors
  • RS stock no. 248-5567
  • Mfr. Part No. GLX504
Each
R 863.80(exc. VAT)
Temporarily out of stock
ABB S804N MCB, 4P, 63A Curve B, 690V AC, 36 kA Breaking Capacity
  • RS stock no. 140-654
  • Mfr. Part No. 2CCS894001R0635
Each
R 6,630.28(exc. VAT)
In Stock
Eaton xEffect MCB, 2P, 25A Curve B, 240 → 415V AC, 10 kA Breaking Capacity
  • RS stock no. 847-3156
  • Mfr. Part No. 278736 FAZ-B25/2
Each
R 1,509.27(exc. VAT)
Temporarily out of stock
Eaton Z-R23 ICS-R16 MCB, 16A, 240V AC, 24V DC
  • RS stock no. 261-912
  • Mfr. Part No. ICS-R16D024B200 Z-R23/16-20
1 Pack of 2
R 1,272.24(exc. VAT)
Temporarily out of stock
ABB System Pro M Compact S200M MCB, 1P, 25A Curve D, 230V AC, 10 kA Breaking Capacity
  • RS stock no. 746-8147
  • Mfr. Part No. 2CDS271001R0251 S201M-D25
Each
R 520.66(exc. VAT)
Temporarily out of stock
Hager BFH RCCB, 25A, 3P+N Pole, 300mA
  • RS stock no. 602-078
  • Mfr. Part No. BFH925F
Each
R 7,003.83(exc. VAT)
Temporarily out of stock
Legrand RCBO, 10A Current Rating, 2P Poles, 30mA Trip Sensitivity, Type A, Mosaic Range
  • RS stock no. 266-1189
  • Mfr. Part No. 0 775 31
Each
R 5,204.66(exc. VAT)
Temporarily out of stock
Siemens 5SM27 RCCB, 63A, 4 Pole, 500mA, Type A, 400V
  • RS stock no. 328-401
  • Mfr. Part No. 5SM2745-8
Each
R 2,846.15(exc. VAT)
In Stock
Better World
Siemens SENTRON MCB, 1+N, 16A Curve C, 230V AC
  • RS stock no. 238-3192
  • Mfr. Part No. 5SL6016-7MC
Each
R 3,569.93(exc. VAT)
Temporarily out of stock
Hager CDS RCD Switch, 25A, 2 Pole, 30mA, Type AC, 230V
  • RS stock no. 599-840
  • Mfr. Part No. CDS722F
Each
R 2,029.06(exc. VAT)
Temporarily out of stock
Hager RCD, 25A, 2 Pole, 30mA
  • RS stock no. 144-4843
  • Mfr. Part No. BDC225F
Each
R 4,366.09(exc. VAT)
Temporarily out of stock
Phoenix Contact Surge Protector, 8A, Plug In Mount
  • RS stock no. 890-3799
  • Mfr. Part No. 2800907
Each
R 1,168.00(exc. VAT)
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