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

23782 Products showing for Circuit Breakers

1101 of 999+
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 1kA 1SDA07, 4 channels
  • RS Stock No. 259-4551
  • Mfr. Part No. 1SDA072790R1
Each
$23,263.89(exc. GST)
Temporarily out of stock
Eaton Eaton xComfort Installaton Accessory for use with Basic Device, Installation Distribution Boards, KLV for Projects
  • RS Stock No. 125-014
  • Mfr. Part No. 178876 KLV-F3-4PR
Each
$124.23(exc. GST)
Temporarily out of stock
Better World
Siemens SENTRON 3VA1 MCB, 1P, 80A
  • RS Stock No. 224-7884
  • Mfr. Part No. 3VA1180-4ED16-0AA0
Each
$499.80(exc. GST)
In Stock
Better World
Schneider Electric Acti 9 A9F9 MCB, 3P, 10A Curve K, 400V AC, 180V DC, 20 kA, 15 kA Breaking Capacity
  • RS Stock No. 211-2510
  • Mfr. Part No. A9F95310
Each
$476.22(exc. GST)
Temporarily out of stock
Schneider Electric, Canalis Series
  • RS Stock No. 358-260
  • Mfr. Part No. KSB32CP15D
Each
$1,000.15(exc. GST)
Temporarily out of stock
ABB High Performance S800N MCB, 2P, 63A Curve D, 400V AC, 6 kA Breaking Capacity
  • RS Stock No. 435-257
  • Mfr. Part No. 2CCS892001R0631 S802N-D63
Each
$398.11(exc. GST)
Temporarily out of stock
Hager BDC RCD, 40A, 4 Pole, 30mA, Type AC
  • RS Stock No. 144-4850
  • Mfr. Part No. BDC840
Each
$773.70(exc. GST)
In Stock
Better World
Schneider Electric, PowerPact MCCB 3P 100A, Breaking Capacity 14 kA, Fixed Mount
  • RS Stock No. 212-0149
  • Mfr. Part No. BDL36100LU
Each
$2,336.44(exc. GST)
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 1kA Ekip Touch LI, 4 channels
  • RS Stock No. 259-4652
  • Mfr. Part No. 1SDA072924R1
Each
$16,354.69(exc. GST)
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 4kA Ekip Touch LSI, 3 channels
  • RS Stock No. 259-4385
  • Mfr. Part No. 1SDA072565R1
Each
$50,736.70(exc. GST)
Temporarily out of stock
Better World
Schneider Electric, ComPacT NSX MCCB 3P 125A, Fixed Mount
  • RS Stock No. 254-6331
  • Mfr. Part No. C12H3TM125L
Each
$2,522.09(exc. GST)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 3P 40A, Breaking Capacity 2.5 kA, Fixed Mount
  • RS Stock No. 270-4682
  • Mfr. Part No. 3VA2140-7MS32-0AA0
Each
$1,455.82(exc. GST)
Temporarily out of stock
Schneider Electric ComPacT Control Unit for use with Compact NS630b to NS3200
  • RS Stock No. 346-764
  • Mfr. Part No. C6EFM
Each
$10,223.83(exc. GST)
Temporarily out of stock
Siemens SENTRON Terminal for use with 3VA20/21/22
  • RS Stock No. 161-434
  • Mfr. Part No. 3VA9201-0QF20
Each
$113.70(exc. GST)
Temporarily out of stock
Siemens, SENTRON MCCB 4P 225A, Breaking Capacity 65 kA, Fixed Mount
  • RS Stock No. 256-546
  • Mfr. Part No. 3VA5322-6EF41-0AA0
Each
$9,268.22(exc. GST)
Temporarily out of stock
Better World
Schneider Electric TeSys Thermal Circuit Breaker - TeSyS GV 3 Pole 690V ac Voltage Rating, 25A Current Rating
  • RS Stock No. 175-1538
  • Mfr. Part No. GV4PE25B
Each
$1,134.74(exc. GST)
Temporarily out of stock
ABB S-ARC1 MCB, 1+N, 20A Curve C, 240V AC, 6 kA Breaking Capacity
  • RS Stock No. 175-9930
  • Mfr. Part No. 2CSA255901R9204 S-ARC1 C20
Each
$457.19(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 4P 630A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 341-379
  • Mfr. Part No. C063L420FM
Each
$25,938.01(exc. GST)
Temporarily out of stock
Schneider Electric Acti9 1 Phase Distribution Board, 16 Way, 125 A
  • RS Stock No. 244-931
  • Mfr. Part No. SE125A16
Each
$517.66(exc. GST)
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 2kA Ekip Touch LSI, 4 channels
  • RS Stock No. 259-4755
  • Mfr. Part No. 1SDA073035R1
Each
$25,981.68(exc. GST)
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