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

190 of 999+
Better World
Siemens SENTRON 5SL4 MCB, 3+N, 63A Curve B, 400V AC, 72V DC
  • RS Stock No. 209-7477
  • Mfr. Part No. 5SL4463-6
Each
Kr. 3 299,67(exc. VAT)
Better World
Schneider Electric Acti 9 Acti9 iDT40N MCB, 1P, 1A Curve C, 230V AC, 10 kA Breaking Capacity
  • RS Stock No. 191-6103
  • Mfr. Part No. A9P24601
Each
Kr. 1 181,98(exc. VAT)
Better World
Siemens SIRIUS Electronic Circuit Breaker 20A 3RV2, 3 channels , DIN Rail Mount
  • RS Stock No. 160-038
  • Mfr. Part No. 3RV2021-4BA10-0DA0
Each
Kr. 1 733,16(exc. VAT)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 110A, Breaking Capacity 7.5 kA, Fixed Mount
  • RS Stock No. 257-857
  • Mfr. Part No. 281568 NZMN1-AF110-NA
Each
Kr. 12 400,96(exc. VAT)
Eaton xEffect MCB, 3+N, 40A Curve B
  • RS Stock No. 227-0671
  • Mfr. Part No. 239162 FAZ6-B40/3N
Each
Kr. 1 109,22(exc. VAT)
Better World
Siemens, SENTRON MCCB 3P 63A, Breaking Capacity 55 kA
  • RS Stock No. 210-1673
  • Mfr. Part No. 3VA1163-5EF36-0AA0
Each
Kr. 5 153,26(exc. VAT)
Eaton IZMX/INX Electronic Circuit Breaker 630A , Fixed
  • RS Stock No. 127-517
  • Mfr. Part No. 183398 IZMX16B4-P06F-1
Each
Kr. 85 358,13(exc. VAT)
Allen Bradley 110 → 250 V dc, 110 → 415V ac Shunt Trip Shunt trip for use with 1492-D DC Circuit Breaker,
  • RS Stock No. 125-1549
  • Mfr. Part No. 189-AST1
Each
Kr. 1 231,63(exc. VAT)
Better World
Siemens SENTRON 5SL6 MCB, 3P, 10A Curve C, 6 kA Breaking Capacity
  • RS Stock No. 202-7213
  • Mfr. Part No. 5SL6310-7
Each
Kr. 977,68(exc. VAT)
Better World
Siemens, SENTRON MCCB Molded Case Circuit Breaker 4P 16A, Breaking Capacity 55 kA, DIN Rail Mount
  • RS Stock No. 271-9467
  • Mfr. Part No. 3VA1196-5GE42-0AA0
Each
Kr. 5 719,43(exc. VAT)
Siemens SENTRON 5SY4 MCB, 2P, 8A, Type A, 230V AC, 60V DC, 20 kA Breaking Capacity
  • RS Stock No. 610-581
  • Mfr. Part No. 5SY4508-5
Each
Kr. 1 004,43(exc. VAT)
Eaton xPole - PXL PXL MCB, 1P, 16A Curve D, 230V AC, 10 kA Breaking Capacity
  • RS Stock No. 254-123
  • Mfr. Part No. 236191 PXL-D16/1N
Each
Kr. 682,97(exc. VAT)
Schneider Electric, PowerPact MCCB 3P 225A, Breaking Capacity 14 kA, DIN Rail Mount
  • RS Stock No. 341-442
  • Mfr. Part No. NJDF36225TW
Each
Kr. 16 800,10(exc. VAT)
Schneider Electric Acti 9 Spacer for use with C120/C60 Miniature Circuit Breakers, Clario/Librio/ProDis Circuit
  • RS Stock No. 776-2819
  • Mfr. Part No. A9N27062
Each
Kr. 177,32(exc. VAT)
Better World
Siemens, Sentron MCCB Molded Case Circuit Breaker 3P 100A, Breaking Capacity 3 kA
  • RS Stock No. 245-707
  • Mfr. Part No. 3VA6210-6JQ31-0AA0
Each
Kr. 38 013,98(exc. VAT)
ABB Tmax XT Undervoltage Release for use with Circuit Breaker
  • RS Stock No. 231-9366
  • Mfr. Part No. 1SDA104958R1 YU-C XT5-XT6 F/P 220.240Va
Each
Kr. 1 892,61(exc. VAT)
Better World
Schneider Electric Multi 9 C60N MCB, 1P, 20A Curve C, 10 kA Breaking Capacity
  • RS Stock No. 214-2059
  • Mfr. Part No. M9F11120
Each
Kr. 351,78(exc. VAT)
Better World
Siemens 5sV3 RCCB, 25A, 4 Pole, 30mA, Type A, 400V ac
  • RS Stock No. 211-9640
  • Mfr. Part No. 5SV3342-6KK01
Each
Kr. 2 110,90(exc. VAT)
Siemens SENTRON 5SY4 MCB, 4P, 2A, Type A, 400V AC, 60V DC, 35 kA Breaking Capacity
  • RS Stock No. 610-625
  • Mfr. Part No. 5SY4602-5
Each
Kr. 2 608,32(exc. VAT)
Eaton MCB, 2P, 2A Curve D, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 244-003
  • Mfr. Part No. 101301 PLI-D2/2
Each
Kr. 1 137,14(exc. VAT)
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