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

38192 Products showing for Circuit Breakers

76 of 999+
Temporarily out of stock
Eaton xPole - PXL PXL MCB, 3P, 40A Curve D, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 256-170
  • Mfr. Part No. 236554 PXL-D40/3N
Each
Kr. 2 539,68(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY7 MCB, 1P, 1A Curve D, 400V AC, 60V DC, 50 kA Breaking Capacity
  • RS Stock No. 610-384
  • Mfr. Part No. 5SY7101-8
Each
Kr. 550,26(exc. VAT)
Temporarily out of stock
Siemens, SENTRON MCCB Molded Case Circuit Breaker 1P 100A, Breaking Capacity 18 kA, Cable Mount, Panel Mount
  • RS Stock No. 148-494
  • Mfr. Part No. 3VA5110-6ED11-1AA0
Each
Kr. 3 235,23(exc. VAT)
In Stock
ETA Thermal Circuit Breaker - 2216 Single Pole 240V Voltage Rating, 6A Current Rating
  • RS Stock No. 288-4072
  • Mfr. Part No. 2216-S110-P1M1-S111-A-6A
Each
Kr. 463,44(exc. VAT)
Temporarily out of stock
ABB Blanking Plate for use with MCB
  • RS Stock No. 231-9623
  • Mfr. Part No. 2CDL000001R1220 SZ-BP 12G
1 Box of 1
Kr. 43,21(exc. VAT)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 3P 400A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 249-351
  • Mfr. Part No. 3VA6440-7JP31-2AA0
Each
Kr. 60 660,60(exc. VAT)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 3P 1.25kA, Breaking Capacity 50 kA, Fixed Mount
  • RS Stock No. 654-142
  • Mfr. Part No. C125N350FM
Each
Kr. 63 474,85(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY Circuit Breaker, 3P, 10A Curve D, 440V AC, 60V DC, 30 kA Breaking Capacity
  • RS Stock No. 664-357
  • Mfr. Part No. 5SY7310-8
Each
Kr. 2 024,88(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY8 MCB, 2P, 3A Curve D, 230V AC, 60V DC, 50 kA Breaking Capacity
  • RS Stock No. 610-497
  • Mfr. Part No. 5SY8503-8
Each
Kr. 1 304,16(exc. VAT)
Temporarily out of stock
Hager NRN MCB, 3P, 63A Curve C, 415V AC, 15 kA Breaking Capacity
  • RS Stock No. 597-949
  • Mfr. Part No. NRN363
Each
Kr. 4 097,12(exc. VAT)
In Stock
nVent ERIFLEX ERIFLEX Busbar, 18mm Pitch
  • RS Stock No. 277-6090
  • Mfr. Part No. 549230
Each (In a Pack of 10)
Kr. 291,493(exc. VAT)
In Stock
Eaton RCD, 20A, 2 Pole, 30mA, Type C
  • RS Stock No. 922-8733
  • Mfr. Part No. 236245 PKNM-20/1N/C/003-MW
Each
Kr. 1 689,14(exc. VAT)
Temporarily out of stock
Better World
Schneider Electric RCBO, 32A Current Rating, 3P+N Poles, 30mA Trip Sensitivity, Type C, Acti9 Range
  • RS Stock No. 238-3277
  • Mfr. Part No. A9DB3732
Each
Kr. 10 210,51(exc. VAT)
Temporarily out of stock
Hager Hager NEN Circuit Breaker, 1P, 63A Curve B, 230 → 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 599-900
  • Mfr. Part No. NEN163
Each
Kr. 1 119,40(exc. VAT)
Temporarily out of stock
Eaton xEffect FAZ MCB, 1P, 30A Curve D, 240V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 240-566
  • Mfr. Part No. 102153 FAZ-D30/1-RT
Each
Kr. 804,23(exc. VAT)
Temporarily out of stock
ABB S801C MCB, 1P, 40A Curve C, 400V AC, 25 kA Breaking Capacity
  • RS Stock No. 140-797
  • Mfr. Part No. 2CCS881001R0404
Each
Kr. 810,54(exc. VAT)
Temporarily out of stock
Hager NRN MCB, 3P, 6A Curve C, 415V AC, 25 kA Breaking Capacity
  • RS Stock No. 597-944
  • Mfr. Part No. NRN306
Each
Kr. 3 214,64(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY6 MCB, 4P, 40A Curve B, 400V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 610-522
  • Mfr. Part No. 5SY6640-6
Each
Kr. 2 082,08(exc. VAT)
Temporarily out of stock
Siemens SENTRON 5SY7 MCB, 3P, 40A Curve D, 400V AC, 60V DC, 25 kA Breaking Capacity
  • RS Stock No. 610-437
  • Mfr. Part No. 5SY7363-8
Each
Kr. 4 724,72(exc. VAT)
Temporarily out of stock
Eaton Eaton Moeller Series NZM Adapter for use with N1, NS1, NZM1, PN1
  • RS Stock No. 248-475
  • Mfr. Part No. 104554 NZM1-XAD160
Each
Kr. 1 567,28(exc. VAT)
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