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

38218 Products showing for Circuit Breakers

1905 of 999+
Better World
Siemens SENTRON Electronic Circuit Breaker 250A 3VA, 3 channels
  • RS Stock No. 156-858
  • Mfr. Part No. 3VA2325-7HN32-0AA0
Each
Kr. 28 886,00(exc. VAT)
Eaton Eaton Moeller NZM Residual Current Release for use with N(S)1, Three Pole NZM1
  • RS Stock No. 235-195
  • Mfr. Part No. 104604 NZM1-XFI300R
Each
Kr. 8 614,32(exc. VAT)
Allen Bradley, 140G MCCB 3P 125A, Module Frame Mount
  • RS Stock No. 261-2853
  • Mfr. Part No. 140G-G6C3-C30
Each
Kr. 4 966,22(exc. VAT)
ABB SMISSLINE TP MCB, 2P, 500mA Curve C, 415V AC
  • RS Stock No. 246-2604
  • Mfr. Part No. 2CCS572001R0984
Each
Kr. 1 268,67(exc. VAT)
Siemens, SENTRON MCCB 2P 350A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 257-222
  • Mfr. Part No. 3VA5335-7EC61-0AA0
Each
Kr. 25 188,59(exc. VAT)
Better World
ABB Emax2 Electronic Circuit Breaker 800A 1SDA07, 3 channels
  • RS Stock No. 259-3055
  • Mfr. Part No. 1SDA070910R1
Each
Kr. 112 104,02(exc. VAT)
SENTRON Communication Module for use with 3VA Withdrawable Units
  • RS Stock No. 263-691
  • Mfr. Part No. 3VA9977-0KC00
Pr. Kit
Kr. 4 644,87(exc. VAT)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 100A, Breaking Capacity 5 kA, Fixed Mount
  • RS Stock No. 240-965
  • Mfr. Part No. 192048 NZMN2-PX100-BT
Each
Kr. 18 688,16(exc. VAT)
Siemens, SENTRON MCCB Molded Case Circuit Breaker 3P 45A, Breaking Capacity 10 kA, Cable Mount, Panel Mount
  • RS Stock No. 148-658
  • Mfr. Part No. 3VA5145-6ED31-0AA0
Each
Kr. 4 552,43(exc. VAT)
Siemens, SENTRON MCCB 4P 400A, Breaking Capacity 65 kA, Fixed Mount
  • RS Stock No. 257-236
  • Mfr. Part No. 3VA5340-6GC41-2AA0
Each
Kr. 36 511,90(exc. VAT)
ABB Emax2 Electronic Circuit Breaker 4kA Ekip G Hi-Touch LSIG, 3 channels
  • RS Stock No. 259-3344
  • Mfr. Part No. 1SDA071250R1
Each
Kr. 278 446,02(exc. VAT)
Phoenix Contact Surge Protector, DIN Rail Mount
  • RS Stock No. 131-622
  • Mfr. Part No. 2801295
Each
Kr. 3 747,74(exc. VAT)
Eaton IZMX/INX Electronic Circuit Breaker 630A , Fixed
  • RS Stock No. 127-703
  • Mfr. Part No. 183336 IZMX16H3-V06F-1
Each
Kr. 50 417,18(exc. VAT)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 250A, Breaking Capacity 9 kA, Withdrawable
  • RS Stock No. 249-052
  • Mfr. Part No. 192265 NZMH3-PX250-AVE
Each
Kr. 44 293,05(exc. VAT)
Better World
Siemens, SENTRON MCCB 3P 400A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 249-771
  • Mfr. Part No. 3VA6440-7JQ31-0AA0
Each
Kr. 59 389,62(exc. VAT)
Siemens SENTRON Connection Kit
  • RS Stock No. 277-0892
  • Mfr. Part No. 3WA9111-0BG11
Each
Kr. 1 432,75(exc. VAT)
Siemens SENTRON Signaling Switch for use with Circuit Breaker 3WL10 / 3VA27
  • RS Stock No. 265-663
  • Mfr. Part No. 3VW9011-0AH01
Each
Kr. 880,42(exc. VAT)
Better World
Siemens 5SV3 RCCB, 40A, 2 Pole, 300mA, Type A, 230V ac
  • RS Stock No. 211-9678
  • Mfr. Part No. 5SV3614-8KL
Each
Kr. 2 022,02(exc. VAT)
Schneider Electric, ComPacT MCCB 4P 1kA, Breaking Capacity 30 kA, Fixed Mount
  • RS Stock No. 428-731
  • Mfr. Part No. C100N45EFM
Each
Kr. 148 041,84(exc. VAT)
Better World
Siemens RCBO, 13A Current Rating, 2P Poles, 10mA Trip Sensitivity, SENTRON Range
  • RS Stock No. 211-9595
  • Mfr. Part No. 5SU1154-6KK13
Each
Kr. 2 088,68(exc. VAT)
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