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

156 of 999+
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 1kA Ekip Hi-Touch LSI, 4 channels
  • RS Stock No. 259-3473
  • Mfr. Part No. 1SDA071428R1
Each
$19,590.73(exc. GST)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 3P 100A, Breaking Capacity 110 kA, Fixed Mount
  • RS Stock No. 270-4002
  • Mfr. Part No. 3VA2110-7KQ36-0AA0
Each
$4,355.99(exc. GST)
Temporarily out of stock
Schneider Electric MCCB 4P, Fixed Mount
  • RS Stock No. 178-7898
  • Mfr. Part No. LV426961
Each
$105.23(exc. GST)
Temporarily out of stock
Better World
ABB Emax2 Electronic Circuit Breaker 1kA 1SDA07, 3 channels
  • RS Stock No. 259-3073
  • Mfr. Part No. 1SDA070927R1
Each
$19,439.76(exc. GST)
Temporarily out of stock
Lovato Single Phase Surge Protector, 100kA, DIN Rail Mount
  • RS Stock No. 248-5665
  • Mfr. Part No. SA1B3PA320R
Each
$1,742.61(exc. GST)
Temporarily out of stock
Eaton Phase Busbar 1 Phase Busbar, 277V
  • RS Stock No. 230-996
  • Mfr. Part No. 121989 BB-UL-25/1P-1M/57
Each
$76.27(exc. GST)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB Molded Case Circuit Breaker 4P 150A, Breaking Capacity 150 kA, Fixed Mount
  • RS Stock No. 269-954
  • Mfr. Part No. 3VA6115-8JT41-2AA0
Each
$8,947.38(exc. GST)
In Stock
Sensata Airpax Airpax Thermal Circuit Breaker - 229 3 Pole 480V ac Voltage Rating Panel Mount, 100A Current Rating
  • RS Stock No. 275-0074
  • Mfr. Part No. 229-3-1-61-5-9-100-V
1 Box of 5
$3,700.95(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 3P 160A, Fixed Mount
  • RS Stock No. 260-7690
  • Mfr. Part No. C12F3TM160B
Each
$2,230.36(exc. GST)
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 1.6kA Ekip G Hi-Touch LSIG, 3 channels
  • RS Stock No. 259-4227
  • Mfr. Part No. 1SDA072350R1
Each
$22,710.74(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 4P 630A, Fixed Mount
  • RS Stock No. 260-8256
  • Mfr. Part No. C63V46E630
Each
$21,030.85(exc. GST)
Temporarily out of stock
Better World
Siemens SENTRON Electronic Circuit Breaker 63A 3VA2, 4 channels
  • RS Stock No. 157-136
  • Mfr. Part No. 3VA2163-5HM42-0AA0
Each
$2,973.92(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 4P 40A, Fixed Mount
  • RS Stock No. 260-7504
  • Mfr. Part No. C10W42D040
Each
$4,767.62(exc. GST)
Temporarily out of stock
Better World
Siemens SIRIUS Electronic Circuit Breaker 25A 3RV2, 3 channels , DIN Rail Mount
  • RS Stock No. 160-757
  • Mfr. Part No. 3RV2421-4DA20
Each
$635.61(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 3P 100A, Fixed Mount
  • RS Stock No. 260-7520
  • Mfr. Part No. C11B34V100L
Each
$3,845.20(exc. GST)
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 6.3kA 1SDA07, 4 / f channels
  • RS Stock No. 259-3977
  • Mfr. Part No. 1SDA072029R1
Each
$140,538.86(exc. GST)
Temporarily out of stock
Eaton NZM Electronic Circuit Breaker 100A NZM, 4 channels , Fixed
  • RS Stock No. 120-168
  • Mfr. Part No. 153396 NZMH2-4-AF100-BT-NA
Each
$3,610.49(exc. GST)
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 800A Ekip Dip LSI, 3 channels
  • RS Stock No. 259-4140
  • Mfr. Part No. 1SDA072253R1
Each
$14,161.73(exc. GST)
Temporarily out of stock
ABB Emax2 Electronic Circuit Breaker 2.5kA 1SDA07, 3 channels
  • RS Stock No. 259-4318
  • Mfr. Part No. 1SDA072472R1
Each
$32,858.08(exc. GST)
Temporarily out of stock
Eaton xEnergy Basic Distribution Board Enclosure
  • RS Stock No. 230-234
  • Mfr. Part No. 116664 BPM-O-800/7-P
Each
$2,041.39(exc. GST)
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