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

38810 Produits présentés pour Circuit Breakers

251 sur 999+
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 4P 400A, Breaking Capacity 9 kA, Plug In
  • N° de stock RS 246-896
  • Référence fabricant 192302 NZMH3-4-PX400/VAR-SVE
la pièce
4 773,26 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 100A, Breaking Capacity 6 kA, Fixed Mount
  • N° de stock RS 246-867
  • Référence fabricant 191647 NZMS2-VX100
la pièce
1 048,38 €(TVA exclue)
Temporairement en rupture de stock
Eaton Eaton xEnergy Main Partitions for use with Eaton xEnergy Main LV Switchgear
  • N° de stock RS 246-806
  • Référence fabricant 188293 XPBMB0608-BUS
la pièce
133,32 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 220A, Breaking Capacity 5 kA, Plug In
  • N° de stock RS 246-858
  • Référence fabricant 191624 NZMN2-MX220-SVE
la pièce
1 651,35 €(TVA exclue)
Temporairement en rupture de stock
Eaton xEffect MCB, 3P, 25A Curve B, 400V AC, 25 kA Breaking Capacity
  • N° de stock RS 246-361
  • Référence fabricant 174507 AZ-3-B25
la pièce
287,85 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 140A, Breaking Capacity 5 kA, Plug In
  • N° de stock RS 246-875
  • Référence fabricant 191676 NZMH2-MX140-SVE
la pièce
1 582,67 €(TVA exclue)
Temporairement en rupture de stock
Eaton xEffect FAZ MCB, 4P, 6A Curve C, 440V AC, 60V DC, 10 kA Breaking Capacity
  • N° de stock RS 246-831
  • Référence fabricant 190923 FAZ-C6/4-NA
la pièce
293,91 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 630A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 246-847
  • Référence fabricant 191587 NZMN3-AX630-BT
la pièce
3 070,40 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 250A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 246-862
  • Référence fabricant 191630 NZMN2-VX250
la pièce
1 602,87 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 100A, Breaking Capacity 6 kA, Plug In
  • N° de stock RS 246-869
  • Référence fabricant 191653 NZMS2-VX100-SVE
la pièce
1 124,13 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 630A, Breaking Capacity 9 kA, Withdrawable
  • N° de stock RS 246-888
  • Référence fabricant 192276 NZMH3-PX630-TAZ-AVE
la pièce
6 475,11 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 4P 400A, Breaking Capacity 5 kA, Withdrawable
  • N° de stock RS 246-856
  • Référence fabricant 191610 NZMN3-4-VX400-AVE
la pièce
3 676,40 €(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 246-370
  • Référence fabricant 150149 NZMH3-4-VE400-T
la pièce
5 249,98 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 220A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 246-863
  • Référence fabricant 191633 NZMN2-MX220
la pièce
1 563,48 €(TVA exclue)
Temporairement en rupture de stock
Eaton NZM Undervoltage Release for use with Circuit Breaker
  • N° de stock RS 246-810
  • Référence fabricant 189754 NZM2/3-XU208-240AC-PI
la pièce
160,59 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 4P 160A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 246-866
  • Référence fabricant 191644 NZMN2-4-VX160/VAR
la pièce
1 570,55 €(TVA exclue)
Temporairement en rupture de stock
Eaton NZM Circuit Breaker for use with Circuit Breaker
  • N° de stock RS 246-889
  • Référence fabricant 192279 NZMN3-4-PX630/VAR
la pièce
4 326,84 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 630A, Breaking Capacity 9 kA, Withdrawable
  • N° de stock RS 246-844
  • Référence fabricant 191561 NZMH3-VX630-T-AVE
la pièce
4 671,25 €(TVA exclue)
Temporairement en rupture de stock
Eaton xEffect RCCB, 25A, 4 Pole, 100mA, Type F, 240V ac
  • N° de stock RS 246-777
  • Référence fabricant 187432 FRCMM-25/4/01-S/F
la pièce
304,01 €(TVA exclue)
Temporairement en rupture de stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 250A, Breaking Capacity 5 kA, Fixed Mount
  • N° de stock RS 246-904
  • Référence fabricant 192322 NZMN3-PMX250
la pièce
2 525,00 €(TVA exclue)
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