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

58 of 999+
ABB Emax2 Electronic Circuit Breaker 6.3kA Ekip Hi-Touch LSI, 4 / f channels
  • RS Stock No. 259-3976
  • Mfr. Part No. 1SDA072028R1
Each
Kr. 715 212,16(exc. VAT)
Better World
Siemens Sentron 5SY4 MCB, 3P, 16A Curve C, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 383-2125
  • Mfr. Part No. 5SY4316-7
Each
Kr. 1 344,31(exc. VAT)
ABB ZLS Universal Adapter for SMISSLINE TP System
  • RS Stock No. 231-9534
  • Mfr. Part No. 2CCA180552R0001 ZLS971
Each
Kr. 114,39(exc. VAT)
ABB, XT2N MCCB 3P 63A, Fixed Mount
  • RS Stock No. 237-6213
  • Mfr. Part No. 1SDA067016R1 XT2N 160 TMA 63A FF
Each
Kr. 3 301,90(exc. VAT)
Better World
ABB System Pro M Compact S200 MCB, 3P, 63A Curve K, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 746-8043
  • Mfr. Part No. 2CDS253001R0607 S203-K63
Each
Kr. 3 119,69(exc. VAT)
Siemens SENTRON Busbar Protector for use with Pin Busbar
  • RS Stock No. 202-7253
  • Mfr. Part No. 5ST3655-0HG
Each (In a Pack of 10)
Kr. 30,041(exc. VAT)
ABB RCCB, 40A, 4 Pole
  • RS Stock No. 189-5642
  • Mfr. Part No. 2CSF204023R1400 F204 AC-40/0,03-L
Each
Kr. 1 355,33(exc. VAT)
Phoenix Contact Electronic Device Circuit Breaker Electronic Circuit breaker 4A 24V PTCB, 1 channels , DIN Rail Mount
  • RS Stock No. 207-2795
  • Mfr. Part No. 2908261
Each
Kr. 453,28(exc. VAT)
TE Connectivity Thermal Circuit Breaker - W57 Single Pole 250V ac Voltage Rating, 15A Current Rating
  • RS Stock No. 782-7931
  • Mfr. Part No. W57-XB7A4A10-15
Each
Kr. 34,05(exc. VAT)
Better World
Schneider Electric Acti 9 iC60N MCB, 1P, 2A Curve C, 230V AC, 72V DC, 6 kA Breaking Capacity
  • RS Stock No. 776-6851
  • Mfr. Part No. A9F04102
Each
Kr. 369,74(exc. VAT)
Eaton RCBO, 16A Current Rating, 2P Poles, 30mA Trip Sensitivity, Type A, Type B, FRBdM Range
  • RS Stock No. 120-998
  • Mfr. Part No. 168266 FRBDM-B16/1N/003-G/A
Each
Kr. 1 688,72(exc. VAT)
ABB RCBO, 32A Current Rating, 2P Poles, 30mA Trip Sensitivity, Type C, System Pro M Compact Range
  • RS Stock No. 201-6955
  • Mfr. Part No. 2CSR255080R1324 DS201 C32 AC30
Each
Kr. 1 464,87(exc. VAT)
Schneider Electric, ComPacT MCCB 3P 400A, Fixed Mount
  • RS Stock No. 260-8166
  • Mfr. Part No. C40W32D400
Each
Kr. 38 117,97(exc. VAT)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 50A, Breaking Capacity 7.5 kA, Fixed Mount
  • RS Stock No. 258-595
  • Mfr. Part No. 284437 NZMH1-S50
Each
Kr. 4 724,72(exc. VAT)
Schneider Electric ComPact Auxiliary Contact for use with NS630b to NS3200
  • RS Stock No. 275-6649
  • Mfr. Part No. 33004
Each
Kr. 558,13(exc. VAT)
Better World
Siemens SENTRON 5SY4 MCB, 3P, 20A Curve C, 440V AC, 10 kA Breaking Capacity
  • RS Stock No. 383-2131
  • Mfr. Part No. 5SY4320-7
Each
Kr. 1 499,85(exc. VAT)
ETA Thermal Circuit Breaker - 3120-N 2 Pole 50 V DC, 240 V AC Voltage Rating, 5A Current Rating
  • RS Stock No. 210-2074
  • Mfr. Part No. 3120-N521-H7T1-W01D-5A
Each
Kr. 369,40(exc. VAT)
Better World
Siemens SENTRON 5SY6 MCB, 1+N, 4A Curve C, 230V AC, 72V DC, 5 kA Breaking Capacity
  • RS Stock No. 212-8898
  • Mfr. Part No. 5SY6504-7
Each
Kr. 804,19(exc. VAT)
Better World
ABB System Pro M Compact S200 MCB, 4P, 10A Curve C, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 746-7804
  • Mfr. Part No. 2CDS254001R0104 S204-C10
Each
Kr. 1 653,43(exc. VAT)
Better World
Schneider Electric Acti 9 iC60N MCB, 3+N, 63A Curve C, 240V AC, 250V DC, 6 kA Breaking Capacity
  • RS Stock No. 776-7141
  • Mfr. Part No. A9F03763
Each
Kr. 3 095,32(exc. VAT)
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