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

93 of 999+
In Stock
Better World
Siemens 5SV3 RCCB, 16A, 2 Pole, 30mA, Type A, 230V ac
  • RS Stock No. 124-7726
  • Mfr. Part No. 5SV3311-6
Each
€155.93(exc. VAT)
Temporarily out of stock
Eaton RCCB, 25A, 4 Pole, 300mA, Type S, 230 V ac, 400 V ac
  • RS Stock No. 227-0707
  • Mfr. Part No. 264299 PFGM-25/4/03-S
Each
€311.03(exc. VAT)
In Stock
Better World
ABB Compact Home SH200 MCB, 1P, 20A Curve C, 440V AC, 60V DC, 6 kA Breaking Capacity
  • RS Stock No. 539-8245
  • Mfr. Part No. 2CDS211001R0204 SH201-C20
Each
€17.70(exc. VAT)
In Stock
Better World
ABB System Pro M Compact S200 MCB, 3P, 4A Curve C, 400V AC, 110V DC, 6 kA Breaking Capacity
  • RS Stock No. 746-7753
  • Mfr. Part No. 2CDS253001R0044 S203-C4
Each
€79.96(exc. VAT)
In Stock
Schneider Electric Resi9 Distribution Board, 63 A
  • RS Stock No. 276-8946
  • Mfr. Part No. R9H13401
Each
€33.42(exc. VAT)
Temporarily out of stock
ABB SU200 M MCB, 4P, 500mA Curve K, 480V AC, 15 kA Breaking Capacity
  • RS Stock No. 201-114
  • Mfr. Part No. 2CDS274337R0157
Each
€308.51(exc. VAT)
In Stock
Eaton xEffect MCB, 3+N, 20A Curve D
  • RS Stock No. 227-0682
  • Mfr. Part No. 177414 FAZ6-D20/3N
Each
€69.12(exc. VAT)
In Stock
Siemens RCBO, 63A Current Rating, 4P Poles, 300mA Trip Sensitivity, SENTRON Range
  • RS Stock No. 211-9586
  • Mfr. Part No. 5SM2646-6
Each
€248.45(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 iC60H MCB, 3P, 40A Curve D, 440V AC, 100 → 133V DC, 10 kA Breaking Capacity
  • RS Stock No. 791-3578
  • Mfr. Part No. A9F55340
Each
€105.28(exc. VAT)
In Stock
Schneider Electric Mureva Enclosure
  • RS Stock No. 466-0533
  • Mfr. Part No. 13443
Each
€82.21(exc. VAT)
Temporarily out of stock
ABB SU200 M MCB, 4P, 2A Curve C, 480V AC, 15 kA Breaking Capacity
  • RS Stock No. 201-112
  • Mfr. Part No. 2CDS274337R0024
Each
€272.92(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 1.6A, Breaking Capacity 50 kA, Fixed Mount
  • RS Stock No. 256-753
  • Mfr. Part No. 269478 NZMN2-S1,6-CNA
Each
€610.00(exc. VAT)
In Stock
ABB, SACE Tmax XT MCCB Molded Case Circuit Breaker 3P 80A, Breaking Capacity 25 kA, Fixed Mount
  • RS Stock No. 232-0215
  • Mfr. Part No. 1SDA066806R1 XT1B 160 TMD 80A FF
Each
€251.38(exc. VAT)
In Stock
Allen Bradley 1492 1492-SPM MCB, 1P, 16A Curve C, 277V AC, 48V DC, 10 kA Breaking Capacity
  • RS Stock No. 125-1460
  • Mfr. Part No. 1492-SPM1C160
Each
€22.16(exc. VAT)
Temporarily out of stock
ABB Plastic Consumer Unit, IP65 1SLM006501A
  • RS Stock No. 286-4986
  • Mfr. Part No. 1SLM006501A2219
Each
€204.34(exc. VAT)
In Stock
nVent ERICO Surge Protector, 50kA, 1500V ac, DIN Rail Mount
  • RS Stock No. 277-6231
  • Mfr. Part No. DT230040R
Each
€293.06(exc. VAT)
Currently unavailable
Hager NFN MCB, 2P, 20A Curve C, 240 → 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 144-4714
  • Mfr. Part No. NFN220
Each
€88.18(exc. VAT)
In Stock
ABB System Pro M Compact S200M MCB, 1P, 40A Curve B, 253V AC, 72V DC, 10 kA Breaking Capacity
  • RS Stock No. 535-6033
  • Mfr. Part No. 2CDS271001R0405 S201M-B40
Each
€23.83(exc. VAT)
In Stock
Eaton, xEnergy MCCB 3P 40A, Breaking Capacity 25 kA
  • RS Stock No. 454-8039
  • Mfr. Part No. 259075 NZMB1-A40
Each
€348.38(exc. VAT)
In Stock
Schneider Electric TeSys Thermal Magnetic Circuit Breaker - GB2 1P + N Pole 250V ac Voltage Rating DIN Rail Mount, 2A
  • RS Stock No. 323-9009
  • Mfr. Part No. GB2CD07
Each
€36.55(exc. VAT)
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