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

38220 Products showing for Circuit Breakers

168 of 999+
Temporarily out of stock
ABB RCBO, 10A Current Rating, 2P Poles, Type B
  • RS Stock No. 237-3379
  • Mfr. Part No. 2CSR252001R1105
Each
Kr. 2 702,11(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 20A, Breaking Capacity 7.5 kA, Fixed Mount
  • RS Stock No. 258-283
  • Mfr. Part No. 281231 NZMN1-A20
Each
Kr. 4 358,64(exc. VAT)
In Stock
Allen Bradley 1492 1492-SPM MCB Mini Circuit Breaker, 1P, 1A Curve B, 277V AC, 48V DC, 15 kA Breaking Capacity
  • RS Stock No. 125-1416
  • Mfr. Part No. 1492-SPM1B010
Each
Kr. 427,17(exc. VAT)
In Stock
Hager Electronic Circuit Breaker 10A MFS, 1 channels
  • RS Stock No. 251-2067
  • Mfr. Part No. MFS710
Each (In a Pack of 12)
Kr. 260,36(exc. VAT)
Temporarily out of stock
Better World
ABB System Pro M Compact S200 MCB, 3P, 3A Curve K
  • RS Stock No. 237-3241
  • Mfr. Part No. 2CDS253001R0317 S203 K 3A - 10 KA
Each
Kr. 1 747,03(exc. VAT)
Temporarily out of stock
Phoenix Contact 3 Phase Surge Arrester, DIN Rail Mount
  • RS Stock No. 269-8062
  • Mfr. Part No. 1180145
Each
Kr. 4 035,95(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller series NZM MCCB Molded Case Circuit Breaker 3P 100A, Breaking Capacity 25 kA, Plug In
  • RS Stock No. 230-859
  • Mfr. Part No. 113025 NZMB2-A100-KCU-NA
Each
Kr. 7 172,88(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY8 MCB, 3P, 12.5A Curve D, 400V AC, 72V DC, 30 kA Breaking Capacity
  • RS Stock No. 610-611
  • Mfr. Part No. 5SY8324-8BB08
Each
Kr. 1 590,16(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB 4P 200A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 256-539
  • Mfr. Part No. 3VA5320-7GF41-2AA0
Each
Kr. 35 240,92(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric MCCB, Clip-On
  • RS Stock No. 178-7851
  • Mfr. Part No. LV426807
Each
Kr. 2 074,07(exc. VAT)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 3P 32A, Fixed Mount
  • RS Stock No. 260-7618
  • Mfr. Part No. C11H3TM032L
Each
Kr. 5 785,60(exc. VAT)
Temporarily out of stock
Better World
ABB S200C MCB, 3P, 20A Curve C, 415V AC, 6 kA Breaking Capacity
  • RS Stock No. 212-1647
  • Mfr. Part No. 2CDS253280R0204
Each
Kr. 740,98(exc. VAT)
Temporarily out of stock
ABB SMISSLINE TP S400M MCB, 1P, 8A Curve C, 230V AC, 60V DC, 10 kA Breaking Capacity
  • RS Stock No. 176-239
  • Mfr. Part No. 2CCS571001R0084 S401M-C8
Each
Kr. 513,71(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 80A, Breaking Capacity 18.5 kA, Fixed Mount
  • RS Stock No. 257-763
  • Mfr. Part No. 272256 NZMB1-A80-NA
Each
Kr. 5 502,64(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 4P 400A, Breaking Capacity 150 kA, Fixed Mount
  • RS Stock No. 249-261
  • Mfr. Part No. 3VA6440-8KQ41-2AA0
Each
Kr. 94 746,08(exc. VAT)
Temporarily out of stock
ABB S800U MCB, 1P, 60A, Type Z, 240V AC, 30 kA Breaking Capacity
  • RS Stock No. 141-024
  • Mfr. Part No. 2CCS881017R0605
Each
Kr. 1 684,63(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric Cable Connection Kit for use with Compact Nsx 100 To 630
  • RS Stock No. 221-1172
  • Mfr. Part No. LV429272
Each
Kr. 1 311,48(exc. VAT)
Temporarily out of stock
ABB S800 Separating Neutral for use with S800
  • RS Stock No. 140-298
  • Mfr. Part No. 2CCS800900R0061
Each
Kr. 631,45(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY Circuit Breaker, 1P, 2A Curve D, 440V AC, 60V DC, 50 kA Breaking Capacity
  • RS Stock No. 664-353
  • Mfr. Part No. 5SY7102-8
Each
Kr. 550,26(exc. VAT)
In Stock
Sensata Airpax Airpax Thermal Circuit Breaker - PR21 2 Pole Panel Mount, 20A Current Rating
  • RS Stock No. 275-0442
  • Mfr. Part No. PR21-4-20.0A-XX-V
1 Box of 5
Kr. 2 519,20(exc. VAT)
1
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