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

35874 Products showing for Circuit Breakers

134 of 999+
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 3P 50A, Breaking Capacity 55 kA
  • RS Stock No. 210-1666
  • Mfr. Part No. 3VA1150-5EE32-0AA0
Each
TWD15,619.00(exc. GST)
Temporarily out of stock
Hager BD Series RCCB, 25A, 3 Pole, 30mA, Type AC, 400V
  • RS Stock No. 597-894
  • Mfr. Part No. BD326
Each
TWD12,313.00(exc. GST)
Temporarily out of stock
Eaton xEffect RCCB, 25A, 2 Pole, 100mA, Type F, 240V ac
  • RS Stock No. 248-933
  • Mfr. Part No. 187372 FRCMM-25/2/01-G/F
Each
TWD9,480.00(exc. GST)
Temporarily out of stock
Hager CDB RCD Switch, 40A, 4 Pole, 30mA, Type B, 230 → 400V
  • RS Stock No. 599-740
  • Mfr. Part No. CDB740F
Each
TWD48,209.00(exc. GST)
In Stock
Schneider Electric Acti9 A9F0 MCB, 1P, 6A Curve C, 230V AC, 72V DC, 15 kA Breaking Capacity
  • RS Stock No. 212-248
  • Mfr. Part No. A9F07106
Each
TWD1,846.00(exc. GST)
In Stock
ABB, SACE Tmax XT MCCB Molded Case Circuit Breaker 3P 80A, Breaking Capacity 25 kA, Fixed Mount
  • RS Stock No. 232-0215
  • Mfr. Part No. 1SDA066806R1 XT1B 160 TMD 80A FF
Each
TWD9,092.00(exc. GST)
In Stock
Eaton MCB, 1+N, 25A Curve C
  • RS Stock No. 230-1098
  • Mfr. Part No. 264697 PLG6-C25/1N
Each
TWD488.00(exc. GST)
Temporarily out of stock
Eaton, Eaton Moeller NZM MCCB Molded Case Circuit Breaker 3P 220A, Breaking Capacity 9 kA, Fixed Mount
  • RS Stock No. 255-595
  • Mfr. Part No. 265789 NZMH3-ME220
Each
TWD102,108.00(exc. GST)
Temporarily out of stock
Phoenix Contact Surge Protector, DIN Rail Mount
  • RS Stock No. 207-2744
  • Mfr. Part No. 2906831
Each
TWD679.00(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
TWD24,976.00(exc. GST)
In Stock
Schneider Electric RCBO, 6A Current Rating, 1P+N Poles, 30mA Trip Sensitivity, Type B, Resi9 Range
  • RS Stock No. 335-282
  • Mfr. Part No. R9D87806
Each
TWD1,788.00(exc. GST)
In Stock
Legrand DX3 RCD, 25A, 1+N Pole, 30mA, Type AC
  • RS Stock No. 732-0023
  • Mfr. Part No. 4 115 04
Each
TWD2,884.00(exc. GST)
In Stock
Legrand DX Range DX3 MCB, 2P, 32A Curve C, 230V AC, 10 kA Breaking Capacity
  • RS Stock No. 731-9714
  • Mfr. Part No. 4 077 87
Each
TWD3,987.00(exc. GST)
Temporarily out of stock
Better World
Schneider Electric 200V (Volts) Circuit Trip
  • RS Stock No. 256-4192
  • Mfr. Part No. GVAU207
Each
TWD3,575.00(exc. GST)
Temporarily out of stock
Eaton xEffect RCCB, 40A, 2 Pole, 30mA, Type F, 240V ac
  • RS Stock No. 242-937
  • Mfr. Part No. 187367 FRCMM-40/2/003-G/F
Each
TWD10,064.00(exc. GST)
Temporarily out of stock
Schneider Electric RCBO, 16A Current Rating, 2P Poles, 30mA Trip Sensitivity, Type AC, Acti9 Range
  • RS Stock No. 276-8718
  • Mfr. Part No. A9D07216
Each
TWD16,892.00(exc. GST)
In Stock
Better World
Schneider Electric Multi 9 C60N MCB, 2P, 10A Curve C, 10 kA Breaking Capacity
  • RS Stock No. 214-2065
  • Mfr. Part No. M9F11210
Each
TWD3,465.00(exc. GST)
In Stock
Better World
Schneider Electric, PowerLogic, 63A, Energy Sensor, 1VA, Wired
  • RS Stock No. 256-4045
  • Mfr. Part No. A9MEM1561
Each
TWD7,120.00(exc. GST)
Temporarily out of stock
Eaton IZMX40N4-V40W-1 Electronic Circuit Breaker 4kA , DIN Rail
  • RS Stock No. 132-888
  • Mfr. Part No. 183757 IZMX40N4-V40W-1
Each
TWD1,417,789.00(exc. GST)
Temporarily out of stock
Eaton xEffect FAZ MCB, 2P, 13A Curve B, 415V AC, 60V DC, 15 kA Breaking Capacity
  • RS Stock No. 246-116
  • Mfr. Part No. 132703 FAZ-B13/2-NA
Each
TWD3,985.00(exc. GST)
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