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

142 of 999+
Temporarily out of stock
ABB, T6S MCCB 4P 800A, Fixed Mount
  • RS Stock No. 237-5993
  • Mfr. Part No. 1SDA060285R1 T6S800 FF PR222-LSI 800A
Each
TWD140,267.00(exc. GST)
Temporarily out of stock
ABB S402M MCB, 2P, 20A Curve K, 440V AC, 12V DC, 15 kA Breaking Capacity
  • RS Stock No. 140-466
  • Mfr. Part No. 2CCS572001R0487
Each
TWD9,821.00(exc. GST)
Temporarily out of stock
Hager Terminal Block
  • RS Stock No. 251-2059
  • Mfr. Part No. KN04N
Each
TWD614.00(exc. GST)
In Stock
Legrand RCD Switch, 16A Current Rating, 1P+N Poles, 30mA Trip Sensitivity, Type C, DX Range
  • RS Stock No. 731-9887
  • Mfr. Part No. 4 107 85
Each
TWD14,578.00(exc. GST)
In Stock
ABB F200 RCCB, 25A, 2 Pole, 30mA, Type A, 230V ac
  • RS Stock No. 488-6915
  • Mfr. Part No. 2CSF202101R1250 - F202A-25/0.03
Each
TWD3,273.00(exc. GST)
In Stock
Better World
ABB System Pro M Compact S200M MCB, 2P, 8A Curve C, 440V AC, 125V DC, 10 kA Breaking Capacity
  • RS Stock No. 131-977
  • Mfr. Part No. 2CDS272001R0084 S202M-C8
Each
TWD1,911.00(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 4P 32A, Fixed Mount
  • RS Stock No. 260-7660
  • Mfr. Part No. C11N4TM032L
Each
TWD29,785.00(exc. GST)
In Stock
ABB, Tmax XT MCCB 4P 160A, Fixed Mount
  • RS Stock No. 236-7284
  • Mfr. Part No. 1SDA067426R1 XT1N 160 TMD 160A 3P+N FF
Each
TWD22,901.00(exc. GST)
Temporarily out of stock
Schneider Electric, PowerPact MCCB 3P 15A, Breaking Capacity 65 kA, Clip-On
  • RS Stock No. 428-850
  • Mfr. Part No. BJF36015
Each
TWD47,633.00(exc. GST)
Temporarily out of stock
Schneider Electric Acti9 1 Phase Distribution Board, 14 Way, 125 A
  • RS Stock No. 339-615
  • Mfr. Part No. SEA9APN14
Each
TWD9,505.00(exc. GST)
In Stock
Eaton MCB, 1+N, 10A Curve B
  • RS Stock No. 230-1085
  • Mfr. Part No. 264673 PLG6-B10/1N
Each
TWD946.00(exc. GST)
Temporarily out of stock
ABB RCBO, 25A Current Rating, 4P Poles, Type C
  • RS Stock No. 237-5212
  • Mfr. Part No. 2CSR274101R1254
Each
TWD13,915.00(exc. GST)
Temporarily out of stock
Better World
Siemens 5SV4417 RCCB, 80A, 2 Pole, 100mA, Type AC, 230V ac
  • RS Stock No. 231-8395
  • Mfr. Part No. 5SV4417-0
Each
TWD21,301.00(exc. GST)
In Stock
ABB 3 Phase Busbar Cover
  • RS Stock No. 711-6553
  • Mfr. Part No. 1SAM201907R1101 S1-M1-25
Each
TWD442.00(exc. GST)
In Stock
Better World
Schneider Electric PowerPact Distribution Board, 18 Way, 800 A
  • RS Stock No. 247-2145
  • Mfr. Part No. MGPCM18R
Each
TWD42,845.00(exc. GST)
Temporarily out of stock
Schneider Electric Acti9 3 Phase Distribution Board, 24 Way, 250 A
  • RS Stock No. 336-638
  • Mfr. Part No. SEA9BPN24
Each
TWD69,218.00(exc. GST)
Temporarily out of stock
Better World
Siemens RCBO, 6A Current Rating, 2P Poles, 300mA Trip Sensitivity, Sentron Range
  • RS Stock No. 225-8780
  • Mfr. Part No. 5SU1654-7KK06
Each
TWD6,059.00(exc. GST)
Temporarily out of stock
Phoenix Contact EC-E Electronic Circuit Breaker 10A 24V EC-E, 1 channels , DIN Rail
  • RS Stock No. 131-313
  • Mfr. Part No. 0903048
Each (In a Pack of 6)
TWD3,261.30(exc. GST)
Temporarily out of stock
Eaton Eaton Moeller NZM Door Coupling Handle for use with N(S)3(-4), NZM3(-4), PN3(-4)
  • RS Stock No. 255-172
  • Mfr. Part No. 260170 NZM3-XTVD
Each
TWD7,433.00(exc. GST)
In Stock
Schneider Electric Acti9 A9F MCB Mini Circuit Breaker, 2P, 16A Curve C, 500V AC, 10 kA Breaking Capacity
  • RS Stock No. 653-861
  • Mfr. Part No. A9F74216
Each
TWD2,967.00(exc. GST)
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