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

151 of 999+
ETA Thermal Circuit Breaker - 1180 Single Pole 250V Voltage Rating DIN Rail Mount, 4A Current Rating
  • RS Stock No. 458-8712
  • Mfr. Part No. 1180-01-4A
Each
Kr. 151,06(exc. VAT)
ABB Emax2 Electronic Circuit Breaker 800A 1SDA07, 4 channels
  • RS Stock No. 259-4616
  • Mfr. Part No. 1SDA072885R1
Each
Kr. 82 884,68(exc. VAT)
Lovato ModuLo P1MB MCB, 1P, 10A Curve C, 230V AC, 60V DC, 10 kA Breaking Capacity
  • RS Stock No. 825-5598
  • Mfr. Part No. P1MB1PC10
Each
Kr. 173,43(exc. VAT)
Siemens SENTRON 2 Phase Busbar, 1.5 mm, 1 mm Pitch
  • RS Stock No. 328-457
  • Mfr. Part No. 5ST3705-0HG
Each
Kr. 829,63(exc. VAT)
Siemens ALPHA Assembly Kit for use with DIN A4 Upright
  • RS Stock No. 203-3225
  • Mfr. Part No. 8GD9132
Each
Kr. 263,44(exc. VAT)
Schneider Electric Acti9 iID RCCB, 80A, 2 Pole, 300mA, Type AC, 220 → 240V ac
  • RS Stock No. 130-795
  • Mfr. Part No. A9R14280
Each
Kr. 2 742,40(exc. VAT)
ABB S802C MCB, 2P, 13A Curve B, 415V AC, 25 kA Breaking Capacity
  • RS Stock No. 141-043
  • Mfr. Part No. 2CCS882001R0135
Each
Kr. 1 482,89(exc. VAT)
Siemens, SENTRON MCCB Molded Case Circuit Breaker 3P 3A, Breaking Capacity 10 kA, Cable Mount, Panel Mount
  • RS Stock No. 148-719
  • Mfr. Part No. 3VA5103-1MH31-0AA0
Each
Kr. 5 407,46(exc. VAT)
Siemens, SENTRON MCCB 3P 60A, Breaking Capacity 14 kA, Cable Mount, Panel Mount
  • RS Stock No. 148-684
  • Mfr. Part No. 3VA5160-4ED31-1AA0
Each
Kr. 4 263,57(exc. VAT)
ABB, Tmax XT MCCB 4P 125A, Fixed Mount
  • RS Stock No. 236-7280
  • Mfr. Part No. 1SDA067409R1 XT1C 160 TMD 125A FF
Each
Kr. 7 487,25(exc. VAT)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 4P 500A, Breaking Capacity 5 kA, Withdrawable
  • RS Stock No. 230-408
  • Mfr. Part No. 113537 NZMN3-4-A500/320-AVE
Each
Kr. 45 039,28(exc. VAT)
ABB Emax2 Electronic Circuit Breaker 4kA 1SDA07, 4 channels
  • RS Stock No. 259-3821
  • Mfr. Part No. 1SDA071836R1
Each
Kr. 289 331,65(exc. VAT)
Eaton Distribution Parts End Cap for use with BB-EV
  • RS Stock No. 247-500
  • Mfr. Part No. 168824 BB-EV-EC/4P
1 Pack of 10
Kr. 112,80(exc. VAT)
Schneider Electric Acti9 Active iDT40 AFDD, 25A, 1+N Pole
  • RS Stock No. 238-3485
  • Mfr. Part No. A9TYAE625
Each
Kr. 7 050,82(exc. VAT)
ABB RCBO, 25A Current Rating, 2P Poles, 300mA Trip Sensitivity, System Pro M Compact Range
  • RS Stock No. 201-6910
  • Mfr. Part No. 2CSR255080R3255
Each
Kr. 1 234,47(exc. VAT)
Siemens, SENTRON MCCB 3P 110A, Breaking Capacity 25 kA, Cable Mount, Panel Mount
  • RS Stock No. 148-508
  • Mfr. Part No. 3VA5111-6EC31-1AA0
Each
Kr. 6 759,32(exc. VAT)
ABB Undervoltage Release Circuit Trip, System Pro M Compact Range
  • RS Stock No. 539-0112
  • Mfr. Part No. 2CSS200911R0005 S2C-UA 230 AC
Each
Kr. 925,51(exc. VAT)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 225A, Breaking Capacity 5 kA, Fixed Mount
  • RS Stock No. 232-001
  • Mfr. Part No. 107827 NZMH2-AF225-BT-NA
Each
Kr. 24 676,08(exc. VAT)
Eaton xPole MCB, 3P, 50A Curve C, 48V DC, 10 kA Breaking Capacity
  • RS Stock No. 864-4412
  • Mfr. Part No. 242479 PLSM-C50/3-MW
Each
Kr. 1 175,89(exc. VAT)
nVent ERICO DPCB Busbar
  • RS Stock No. 646-833
  • Mfr. Part No. 550400
Each
Kr. 1 187,28(exc. VAT)
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