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

96 of 999+
Temporarily out of stock
Siemens SENTRON 5SJ4303 MCB, 3P, 3A Curve C, 400V AC, 60V DC, 14 kA Breaking Capacity
  • RS Stock No. 299-772
  • Mfr. Part No. 5SJ4303-7HG41
Each
Kr. 2 796,16(exc. VAT)
In Stock
Schneider Electric, EasyPact MCCB 3P 100A, Breaking Capacity 10 kA, Fixed Mount
  • RS Stock No. 269-6179
  • Mfr. Part No. EZC250H3100
Each
Kr. 3 246,79(exc. VAT)
In Stock
Schneider Electric Acti 9 Cover for use with ARA, IC60, iDPN Vigi, iLD, iSW, ISW-NA, RCA, Reflex iC60
  • RS Stock No. 791-2786
  • Mfr. Part No. A9A26982
Each (In a Pack of 12)
Kr. 14,645(exc. VAT)
In Stock
Europa EUB1 EUB MCB, 1P, 50A Curve B, 230V AC
  • RS Stock No. 798-2224
  • Mfr. Part No. EUB150B
Each
Kr. 54,08(exc. VAT)
In Stock
ETA Thermal Circuit Breaker - 1610 Single Pole 24V dc Voltage Rating, 10A Current Rating
  • RS Stock No. 409-889
  • Mfr. Part No. 1610-21-10A
Each
Kr. 144,46(exc. VAT)
Temporarily out of stock
Schneider Electric, Compact MCCB 4P 800A, Fixed Mount
  • RS Stock No. 247-1811
  • Mfr. Part No. 33469
Each
Kr. 26 881,37(exc. VAT)
Temporarily out of stock
Better World
ABB, Tmax XT MCCB 4P 10A, Fixed Mount
  • RS Stock No. 236-6533
  • Mfr. Part No. 1SDA068004R1 XT2V 160 Ekip LS/I 10A FF
Each
Kr. 12 630,46(exc. VAT)
In Stock
Better World
Siemens SENTRON 5SY4 MCB, 1P, 2A Curve B, 10 kA Breaking Capacity
  • RS Stock No. 202-7240
  • Mfr. Part No. 5SY4102-6
Each
Kr. 219,53(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 iC60L MCB, 2P, 25A Curve C, 15 kA Breaking Capacity
  • RS Stock No. 219-9278
  • Mfr. Part No. A9F94225
Each
Kr. 1 831,43(exc. VAT)
Temporarily out of stock
Eaton IZMX/INX Electronic Circuit Breaker 2.5kA , Fixed
  • RS Stock No. 132-893
  • Mfr. Part No. 183760 IZMX40B4-P25F-1
Each
Kr. 260 640,60(exc. VAT)
Temporarily out of stock
ABB SACE Emax 2 Fixed Part for use with Circuit Breaker
  • RS Stock No. 231-9319
  • Mfr. Part No. 1SDA073913R1 E4.2 W FP Iu=3200 3p HR
Each
Kr. 31 759,69(exc. VAT)
Temporarily out of stock
Eaton xEffect FAZ MCB, 1P, 40A Curve D, 240V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 243-414
  • Mfr. Part No. 142484 FAZT-D40/1
Each
Kr. 827,11(exc. VAT)
In Stock
Schurter CBE Cover for use with TA45
  • RS Stock No. 269-3823
  • Mfr. Part No. 4430.0130
Each
Kr. 26,77(exc. VAT)
Temporarily out of stock
Eaton, Eaton Moeller series NZM MCCB Molded Case Circuit Breaker 4P 50A, Breaking Capacity 5 kA, Plug In
  • RS Stock No. 231-148
  • Mfr. Part No. 113369 NZMH2-4-A50-SVE
Each
Kr. 9 643,92(exc. VAT)
Temporarily out of stock
Schneider Electric ComPacT Plug for use with Compact NS
  • RS Stock No. 429-204
  • Mfr. Part No. C33542
Each
Kr. 761,45(exc. VAT)
In Stock
Better World
Schneider Electric Acti 9 C120N MCB, 3P, 125A Curve C, 440V AC, 375V DC, 10 kA, 20 kA Breaking Capacity
  • RS Stock No. 776-3076
  • Mfr. Part No. A9N18369
Each
Kr. 6 077,61(exc. VAT)
In Stock
ABB RCBO, 40A Current Rating, 3P Poles, 30mA Trip Sensitivity, System Pro M Compact Range
  • RS Stock No. 767-4431
  • Mfr. Part No. 2CSR273001R1404 DS203 M AC-C40/0,03
Each
Kr. 2 604,59(exc. VAT)
Temporarily out of stock
Eaton xEffect FAZ MCB, 4P, 5A Curve D, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 258-034
  • Mfr. Part No. 279077 FAZ-D5/4
Each
Kr. 2 665,52(exc. VAT)
Temporarily out of stock
Hager NEN MCB, 4P, 25A Curve B, 240 → 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 144-4701
  • Mfr. Part No. NEN425
Each
Kr. 2 890,89(exc. VAT)
Temporarily out of stock
ABB System Pro M Compact S300P MCB, 3+N, 16A Curve D, 415V AC, 25 kA Breaking Capacity
  • RS Stock No. 203-787
  • Mfr. Part No. 2CDS383103R0161
Each
Kr. 2 349,24(exc. VAT)
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