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

107 sur 999+
Temporairement en rupture de stock
Siemens SENTRON 5SY4 MCB, 2P, 8A Curve B, 400V AC, 60V DC, 20 kA Breaking Capacity
  • N° de stock RS 610-292
  • Référence fabricant 5SY4208-6
la pièce
72,10 €(TVA exclue)
Temporairement en rupture de stock
Siemens SENTRON 5SP3 MCB, 3P, 35A, Type E, 25 kA Breaking Capacity
  • N° de stock RS 202-7112
  • Référence fabricant 5SP3835-2
la pièce
372,96 €(TVA exclue)
Temporairement en rupture de stock
Better World
Schneider Electric Multi 9 MCB, 4P, 25A, 1.5 kA Breaking Capacity
  • N° de stock RS 219-9172
  • Référence fabricant M9R81425
la pièce
251,58 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller Series NZM MCCB Molded Case Circuit Breaker 3P 5A, Breaking Capacity 25 kA, Fixed Mount
  • N° de stock RS 235-179
  • Référence fabricant 103034 NZMB2-S5-CNA
la pièce
529,24 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 200A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 254-031
  • Référence fabricant 269187 NZMN2-AF200-NA
la pièce
1 553,38 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 90A, Breaking Capacity 80 kA, Fixed Mount
  • N° de stock RS 255-385
  • Référence fabricant 265794 NZML2-ME90
la pièce
1 347,34 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 350A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 254-520
  • Référence fabricant 265782 NZMN3-ME350
la pièce
2 248,26 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 400A, Breaking Capacity 9 kA, Withdrawable
  • N° de stock RS 243-076
  • Référence fabricant 192266 NZMH3-PX400-AVE
la pièce
3 897,59 €(TVA exclue)
En stock
TE Connectivity Thermal Circuit Breaker - W23 Single Pole 50 V dc, 250V ac Voltage Rating, 40A Current Rating
  • N° de stock RS 782-7953
  • Référence fabricant W23-X1A1G-40
la pièce
34,26 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller Series NZM MCCB Molded Case Circuit Breaker 3P 1.2kA, Breaking Capacity 18 kA, Fixed Mount
  • N° de stock RS 243-564
  • Référence fabricant 102689 NS4-800-NA
la pièce
3 923,85 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 4P 800A, Breaking Capacity 37 kA, Fixed Mount
  • N° de stock RS 254-545
  • Référence fabricant 265922 NZMH4-4-AE800/500
la pièce
6 224,63 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller series NZM MCCB Molded Case Circuit Breaker 4P 400A, Breaking Capacity 9 kA, Plug In
  • N° de stock RS 244-246
  • Référence fabricant 168895 NZMH3-4-VE400/250-SVE
la pièce
4 044,04 €(TVA exclue)
En stock
ETA Thermal Circuit Breaker - 1180 Single Pole 250V Voltage Rating DIN Rail Mount, 10A Current Rating
  • N° de stock RS 458-8740
  • Référence fabricant 1180-01-10A
la pièce
13,20 €(TVA exclue)
Temporairement en rupture de stock
Siemens SENTRON Option Plug
  • N° de stock RS 277-0901
  • Référence fabricant 3WA9111-0EB05
la pièce
191,90 €(TVA exclue)
Temporairement en rupture de stock
SENTRON Shunt Trip Voltage Release for use with 3VA4/5/6 Series
  • N° de stock RS 263-867
  • Référence fabricant 3VA9978-0BL33
la pièce
135,00 €(TVA exclue)
En stock
nVent ERICO DPCB Busbar
  • N° de stock RS 646-833
  • Référence fabricant 550400
la pièce
103,78 €(TVA exclue)
Temporairement en rupture de stock
WAGO Electronic Circuit Breaker 10A 24V 787, 4 channels , DIN Rail
  • N° de stock RS 279-4165
  • Référence fabricant 787-862
la pièce
411,00 €(TVA exclue)
Temporairement en rupture de stock
Eaton xEffect RCCB, 100A, 2 Pole, 30mA, Type F, 240V ac
  • N° de stock RS 246-621
  • Référence fabricant 187370 FRCMM-100/2/003-G/F
la pièce
911,02 €(TVA exclue)
Temporairement en rupture de stock
WAGO Electronic Circuit Breaker 6A 24V 787, 2 channels , DIN Rail
  • N° de stock RS 279-4096
  • Référence fabricant 787-1662/006-1000
la pièce
223,00 €(TVA exclue)
Temporairement en rupture de stock
Better World
Siemens, SENTRON MCCB 3P 20A, Breaking Capacity 25 kA, Fixed Mount
  • N° de stock RS 874-4222
  • Référence fabricant 3VA1120-3ED36-0AA0
la pièce
320,17 €(TVA exclue)
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