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

38817 Produits présentés pour Circuit Breakers

1 sur 999+
En stock
Phoenix Contact Copper NLS-CU Busbar
  • N° de stock RS 290-1258
  • Référence fabricant 0402174
Sous-total (1 unité)
29,21 €(TVA exclue)
En stock
Siemens SENTRON 5SY6 Miniature Circuit Breaker, 1-Pole, 2 A, Type C, 230 V ac AC, 72 V dc DC, 6 kA Breaking Capacity
  • N° de stock RS 196-3633
  • Référence fabricant 5SY6502-7
Sous-total (1 unité)
40,74 €(TVA exclue)
En stock
RS PRO DHMZ Miniature Circuit Breaker, 1-Pole, 3 A, Type C, 240 V ac AC, 240 V dc DC, 10 kA Breaking Capacity
  • N° de stock RS 265-0200
Sous-total (1 unité)
3,33 €(TVA exclue)
Temporairement en rupture de stock
ABB, Tmax, Tmax Circuit Breaker Accessory
  • N° de stock RS 237-5984
  • Référence fabricant 1SDA054884R1 UVR 230VAC/DC T4-6
Sous-total (1 unité)
223,21 €(TVA exclue)
En stock
Eaton Plexo PLG4 Miniature Circuit Breaker, 1-Pole, 10 A, Type C, 230 V ac AC, 4.5 kA Breaking Capacity
  • N° de stock RS 230-1075
  • Référence fabricant 264744 PLG4-C10/1N
Sous-total (1 unité)
12,71 €(TVA exclue)
En stock
Better World
Schneider Electric Busbar Tap-Off Unit with Circuit Breaker, Canalis KS Series
  • N° de stock RS 211-0513
  • Référence fabricant KSB63SM48
Sous-total (1 unité)
124,23 €(TVA exclue)
En stock
Schneider Electric Acti9 Acti9 iDT40K Miniature Circuit Breaker, 1-Pole, 16 A, Type C, 4500 A Breaking Capacity
  • N° de stock RS 238-3412
  • Référence fabricant A9P71616
Sous-total (1 unité)
23,54 €(TVA exclue)
En stock
Better World
Siemens SENTRON Series Residual Current Circuit Breaker, 25 A, 2-Pole, 300 mA, Type A, 0.8 kA 230 V ac
  • N° de stock RS 124-7737
  • Référence fabricant 5SV3612-6
Sous-total (1 unité)
155,04 €(TVA exclue)
En stock
RS PRO RC Suppressor Circuit for use with Contactor
  • N° de stock RS 277-8526
Sous-total (1 unité)
8,79 €(TVA exclue)
En stock
Schneider Electric Acti9 IC60N Miniature Circuit Breaker, 2-Pole, 6 A, Type D, 100 V, 12 V, 130 V, 220 V, 240 V, 380 V,
  • N° de stock RS 734-9652
  • Référence fabricant A9F75206
Sous-total (1 unité)
99,02 €(TVA exclue)
En stock
Eaton xEffect xEffect Miniature Circuit Breaker, 2-Pole, 2 A, Type C, 400 V ac AC, 6 kA Breaking Capacity
  • N° de stock RS 769-4582
  • Référence fabricant 239097 FAZ6-C2/2
Sous-total (1 unité)
53,33 €(TVA exclue)
Temporairement en rupture de stock
Eaton PKNM Series Residual Current Device, 6 A, 2-Pole, 30 mA, Type C, 10 kA 230 V ac
  • N° de stock RS 922-8698
  • Référence fabricant 236017 PKNM-6/1N/C/003-MW
Sous-total (1 unité)
146,65 €(TVA exclue)
Stock limité
ABB SN201 SN201 Miniature Circuit Breaker, 1-Pole, 4 A, Type C, 230 V ac AC, 4.5 kA Breaking Capacity
  • N° de stock RS 186-3468
  • Référence fabricant 2CSS245102R0044 SN201 L C4-L
Sous-total (1 unité)
26,13 €(TVA exclue)
En stock
Schneider Electric Easy9 Earthing Terminal for use with Enclosures
  • N° de stock RS 850-8675
  • Référence fabricant EZ9EARTHKIT
Sous-total (1 unité)
3,34 €(TVA exclue)
En stock
Schurter T11 T11 Thermal Circuit Breaker - 1-Pole, Panel, 2.5 A Current Rating, 6.5 A, 240 V ac, 48 V dc
  • N° de stock RS 284-5827
  • Référence fabricant 4400.0009
Sous-total (1 unité)
10,44 €(TVA exclue)
En stock
Eaton xEffect xEffect Miniature Circuit Breaker, 3-Pole, 25 A, Type C, 415 V ac AC, 10 kA Breaking Capacity
  • N° de stock RS 847-3320
  • Référence fabricant 278875 FAZ-C25/3
Sous-total (1 unité)
110,66 €(TVA exclue)
Temporairement en rupture de stock
Siemens SENTRON 5SY5 Miniature Circuit Breaker, 1-Pole, 25 A, Type C, 220 V ac AC, 250 V dc DC, 10 kA Breaking Capacity
  • N° de stock RS 196-3623
  • Référence fabricant 5SY5125-7
Sous-total (1 unité)
38,40 €(TVA exclue)
En stock
Allen Bradley 1492-SPM Miniature Circuit Breaker, 1-Pole, 4 A, Type B, 277 V ac AC, 48 V dc DC, 10 kA Breaking Capacity
  • N° de stock RS 125-1420
  • Référence fabricant 1492-SPM1B040
Sous-total (1 unité)
37,71 €(TVA exclue)
En stock
Hager MJT Miniature Circuit Breaker, 2-Pole, 16 A, Type C, 400 V ac AC, 253 V dc DC, 6 kA Breaking Capacity
  • N° de stock RS 144-4950
  • Référence fabricant MJT716
Sous-total (1 unité)
28,76 €(TVA exclue)
En stock
Phoenix Contact CLIPLINE Clipline Electronic Circuit Breaker 2 A 24 V, 1 channels, DIN Rail
  • N° de stock RS 220-5802
  • Référence fabricant 1135749
Sous-total (1 unité)
34,71 €(TVA exclue)
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