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

38813 Produits présentés pour Circuit Breakers

1902 sur 999+
Better World
Siemens SENTRON Electronic Circuit Breaker 400A 3VA2, 3 channels
  • N° de stock RS 156-834
  • Référence fabricant 3VA2340-0HM32-0AA0
la pièce
3 500,00 €(TVA exclue)
Siemens SENTRON Fixing Bracket for use with Busbar
  • N° de stock RS 211-3870
  • Référence fabricant 8WH9140-0DA00
L'unité (en paquet de 10)
3,222 €(TVA exclue)
ABB Tmax XT Front Terminal for use with Tmax XT
  • N° de stock RS 237-6252
  • Référence fabricant 1SDA067157R1 FC CuAl 1x95 XT1 6PCS
la pièce
109,34 €(TVA exclue)
Better World
ABB Emax2 Electronic Circuit Breaker 630A 1SDA07, 3 channels
  • N° de stock RS 259-9888
  • Référence fabricant 1SDA070721R1
la pièce
4 080,80 €(TVA exclue)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 4P 630A, Breaking Capacity 5 kA, Withdrawable
  • N° de stock RS 231-351
  • Référence fabricant 113548 NZMN3-4-VE630/400-AVE
la pièce
4 802,55 €(TVA exclue)
Siemens ALPHA Busbar
  • N° de stock RS 629-053
  • Référence fabricant 8GK9735-1KK20
la pièce
626,00 €(TVA exclue)
Better World
Siemens, Sentron MCCB Molded Case Circuit Breaker 4P 100A, Breaking Capacity 3 kA
  • N° de stock RS 245-564
  • Référence fabricant 3VA6210-6HM41-0AA0
la pièce
3 000,00 €(TVA exclue)
Schneider Electric, PowerPact B Circuit breaker 4P 100A, Breaking Capacity 18 KA, Clip-On
  • N° de stock RS 119-526
  • Référence fabricant BDF46100
la pièce
514,05 €(TVA exclue)
Siemens SENTRON 5SJ4220 MCB, 2P, 20A Curve D, 400V AC, 60V DC, 14 kA Breaking Capacity
  • N° de stock RS 299-868
  • Référence fabricant 5SJ4220-8HG41
la pièce
136,98 €(TVA exclue)
Better World
Siemens, SENTRON MCCB 3P 160A, Breaking Capacity 85 kA, Fixed Mount
  • N° de stock RS 270-4071
  • Référence fabricant 3VA2116-6HM32-0AA0
la pièce
1 616,00 €(TVA exclue)
ABB S804S MCB, 4P, 80A, UC-K, 750V DC, 50 kA Breaking Capacity
  • N° de stock RS 140-337
  • Référence fabricant 2CCS864001R1627
la pièce
1 520,71 €(TVA exclue)
Siemens, SENTRON MCCB 4P 225A, Breaking Capacity 100 kA, Fixed Mount
  • N° de stock RS 256-550
  • Référence fabricant 3VA5322-7EF41-0AA0
la pièce
2 720,00 €(TVA exclue)
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 160A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 246-876
  • Référence fabricant 191679 NZMH2-VX160
la pièce
1 493,79 €(TVA exclue)
ABB S302 MCB, 2P, 63A Curve C, 415V AC, 125V DC, 100 kA Breaking Capacity
  • N° de stock RS 203-052
  • Référence fabricant 2CDS382001R0634
la pièce
158,32 €(TVA exclue)
Siemens, SENTRON MCCB 3P 1kA, Breaking Capacity 25 kA, Fixed Mount
  • N° de stock RS 270-4772
  • Référence fabricant 3VA2510-5HK32-0AA0
la pièce
4 989,40 €(TVA exclue)
Better World
Siemens, SENTRON MCCB 3P 100A, Breaking Capacity 85 kA
  • N° de stock RS 209-7039
  • Référence fabricant 3VA2010-6JQ32-0AA0
la pièce
1 868,50 €(TVA exclue)
RS PRO 3 Phase Industrial Surge Protector, 140kA, 2.5kV, DIN Rail Mount
  • N° de stock RS 101-770
la pièce
752,29 €(TVA exclue)
Siemens, SENTRON MCCB Molded Case Circuit Breaker 3P 800A, Breaking Capacity 65 kA, Fixed Mount
  • N° de stock RS 249-557
  • Référence fabricant 3VA6580-6HM32-0AA0
la pièce
5 440,00 €(TVA exclue)
Better World
ABB Emax2 Electronic Circuit Breaker 1kA Ekip G Hi-Touch LSIG, 3 channels
  • N° de stock RS 259-9937
  • Référence fabricant 1SDA070800R1
la pièce
8 133,73 €(TVA exclue)
Better World
Siemens, SENTRON MCCB 4P 40A, Breaking Capacity 85 kA, Fixed Mount
  • N° de stock RS 270-3746
  • Référence fabricant 3VA2040-6HM46-0AA0
la pièce
1 363,50 €(TVA exclue)
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