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

11 of 999+
In Stock
Better World
Schneider Electric MCCB 3P 16 → 160A
  • RS Stock No. 178-7875
  • Mfr. Part No. LV426912
Each
$37.57(exc. GST)
Temporarily out of stock
Schneider Electric Acti 9 3 Phase Distribution Board, 48 Way, 160 A
  • RS Stock No. 230-6674
  • Mfr. Part No. A9HC48S160
Each
$1,826.29(exc. GST)
In Stock
Schneider Electric Acti9 SE10 MCB Mini Circuit Breaker, 1P, 32A Curve C, 415V AC, 10000 A Breaking Capacity
  • RS Stock No. 339-309
  • Mfr. Part No. SE10C132
Each
$57.48(exc. GST)
In Stock
Better World
ABB System Pro M Compact S200 MCB, 2P, 2A Curve K, 400V AC, 125V DC, 10 kA Breaking Capacity
  • RS Stock No. 746-7970
  • Mfr. Part No. 2CDS252001R0277 S202-K2
Each
$187.54(exc. GST)
In Stock
Better World
Schneider Electric Acti 9 iC60N MCB, 1P, 10A Curve C, 100 → 133V AC, 12 → 48V DC, 6 kA Breaking Capacity
  • RS Stock No. 790-8853
  • Mfr. Part No. A9F44110
Each
$20.07(exc. GST)
In Stock
Phoenix Contact Thermal Circuit Breaker - Single Pole 32V dc Voltage Rating Base Mounting, 15A Current Rating
  • RS Stock No. 608-090
  • Mfr. Part No. 1499968
Each
$13.19(exc. GST)
Temporarily out of stock
Schurter Thermal Circuit Breaker - T13 Single Pole 240V ac Voltage Rating, 1A Current Rating
  • RS Stock No. 173-9843
  • Mfr. Part No. 4411.0129
Each (In a Box of 20)
$38.906(exc. GST)
In Stock
Better World
Schneider Electric, ComPacT NSX MCCB 3P 100A, Breaking Capacity 90 kA, Fixed Mount
  • RS Stock No. 254-6300
  • Mfr. Part No. C10N3TM100
Each
$1,196.29(exc. GST)
Temporarily out of stock
Clipsal Electrical RCBO, 20A Current Rating, 3P Poles, 30mA Trip Sensitivity, Type A, MAX9 Range
  • RS Stock No. 282-2994
  • Mfr. Part No. MX9R3520
Each
$225.37(exc. GST)
In Stock
ABB System Pro M Compact S200L MCB, 2P, 16A Curve C, 400V AC, 6 kA Breaking Capacity
  • RS Stock No. 183-3622
  • Mfr. Part No. 2CDS242701R0164
Each
$89.53(exc. GST)
In Stock
Eaton Moeller Thermal Magnetic Circuit Breaker - 3 Pole 440V ac Voltage Rating DIN Rail, 200A Current Rating
  • RS Stock No. 221-3489
  • Mfr. Part No. 269216 NZMB2-A200-NA
Each
$1,612.11(exc. GST)
In Stock
Omron Busbar
  • RS Stock No. 111-3530
  • Mfr. Part No. PYDN-7.75-200Y
Each
$27.98(exc. GST)
In Stock
ABB RCCB, 40A, 4 Pole
  • RS Stock No. 189-5642
  • Mfr. Part No. 2CSF204023R1400 F204 AC-40/0,03-L
Each
$183.20(exc. GST)
Temporarily out of stock
Eaton xComfort KLV Distribution Board Enclosure
  • RS Stock No. 125-091
  • Mfr. Part No. 178823 KLV-12HWS-SF
Each
$302.86(exc. GST)
In Stock
ABB SN201 MCB, 1+N, 4A Curve C, 230V AC, 6 kA Breaking Capacity
  • RS Stock No. 186-3483
  • Mfr. Part No. 2CSS255102R0044 SN201 C4-L
Each
$140.82(exc. GST)
In Stock
Schneider Electric 100V ac Shunt Trip Circuit Trip for use with IC60, IID, ISW-NA
  • RS Stock No. 734-9021
  • Mfr. Part No. A9A26946
Each
$191.24(exc. GST)
Temporarily out of stock
Hager BDC RCCB, 40A, 3P+N Pole, 30mA, Type AC
  • RS Stock No. 602-164
  • Mfr. Part No. BDC940F
Each
$635.32(exc. GST)
Temporarily out of stock
HENSEL ENYBOARD Distribution Board, 63 A
  • RS Stock No. 117-052
  • Mfr. Part No. KV 9118 M
Each
$303.07(exc. GST)
Limited stock
ABB SN201 MCB, 1+N, 2A Curve C, 230V AC, 4.5 kA Breaking Capacity
  • RS Stock No. 191-9456
  • Mfr. Part No. 2CSS245102R0024 SN201 L C2-L
Each
$43.15(exc. GST)
Temporarily out of stock
Schneider Electric Acti 9 3 Phase Distribution Board, 24 Way, 250 A
  • RS Stock No. 230-6838
  • Mfr. Part No. SAU25024183
Each
$314.20(exc. GST)
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