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

1649 of 999+
In Stock
Better World
Schneider Electric Acti 9 iC60L MCB, 4P, 16A Curve C, 400V AC, 12 → 250V DC, 10 kA Breaking Capacity
  • RS Stock No. 734-9383
  • Mfr. Part No. A9F94416
Each
TWD16,611.00(exc. GST)
Temporarily out of stock
Siemens SENTRON Connection Kit
  • RS Stock No. 277-0842
  • Mfr. Part No. 3WA9111-0AX23
Each
TWD3,484.00(exc. GST)
In Stock
Better World
Schneider Electric iID RCCB, 40A, 4 Pole, 30mA, Type B-SI, 400V ac
  • RS Stock No. 248-3719
  • Mfr. Part No. A9Z61440
Each
TWD38,180.00(exc. GST)
Temporarily out of stock
Eaton xPole - PXL PXL MCB, 2P, 20A Curve D, 400V AC, 10 kA Breaking Capacity
  • RS Stock No. 255-739
  • Mfr. Part No. 236345 PXL-D20/2
Each
TWD3,249.00(exc. GST)
Temporarily out of stock
Eaton xEffect - FRCmM RCCB, 40A, 2 Pole, 100mA, 240V ac
  • RS Stock No. 123-606
  • Mfr. Part No. 170438 FRCMM-40/2/01-S/A
Each
TWD11,694.00(exc. GST)
Temporarily out of stock
Schneider Electric RCBO
  • RS Stock No. 239-9991
  • Mfr. Part No. A9TAA1625
Each
TWD11,172.00(exc. GST)
Temporarily out of stock
Schneider Electric ComPacT New Generation Trip Unit for use with ComPacT NSX100/160/250
  • RS Stock No. 260-9344
  • Mfr. Part No. C1036E100
Each
TWD74,745.00(exc. GST)
Temporarily out of stock
ABB SU200 M MCB, 2P, 60A Curve K, 440V AC, 96V DC, 15 kA Breaking Capacity
  • RS Stock No. 200-157
  • Mfr. Part No. 2CDS272337R0587
Each
TWD16,043.00(exc. GST)
Temporarily out of stock
Better World
Schneider Electric Acti 9 Acti9 iDT40N MCB, 1P, 25A Curve D, 230V AC, 10 kA Breaking Capacity
  • RS Stock No. 191-6123
  • Mfr. Part No. A9P34625
Each
TWD4,040.00(exc. GST)
In Stock
ABB System Pro M Compact S200L MCB, 4P, 63A Curve C, 400V AC, 6 kA Breaking Capacity
  • RS Stock No. 183-3672
  • Mfr. Part No. 2CDS244701R0634
Each
TWD7,615.00(exc. GST)
Temporarily out of stock
ABB S802C MCB, 2P, 16A Curve B, 415V AC, 25 kA Breaking Capacity
  • RS Stock No. 140-516
  • Mfr. Part No. 2CCS882001R0165
Each
TWD10,730.00(exc. GST)
Temporarily out of stock
Better World
Siemens SENTRON 5SL60 MCB, 1P + N, 25A Curve C, 230V AC, 6 kA Breaking Capacity
  • RS Stock No. 328-379
  • Mfr. Part No. 5SL6025-7MF
Each
TWD8,123.00(exc. GST)
Temporarily out of stock
Eaton Eaton xComfort Installaton Accessory for use with KLV Project
  • RS Stock No. 124-952
  • Mfr. Part No. 178869 KLV-4UPP-4PR
Each
TWD4,965.00(exc. GST)
Temporarily out of stock
Eaton xEffect MCB, 1P, 32A Curve B, 230V AC, 25 kA Breaking Capacity
  • RS Stock No. 246-356
  • Mfr. Part No. 174482 AZ-B32
Each
TWD3,222.00(exc. GST)
Temporarily out of stock
nVent ERICO Neutral Busbar Busbar
  • RS Stock No. 646-806
  • Mfr. Part No. 568679
Each
TWD511.00(exc. GST)
Temporarily out of stock
Eaton RCBO, 40A Current Rating, 2P Poles, 100mA Trip Sensitivity, Type A, Type B, FRBm6 Range
  • RS Stock No. 123-316
  • Mfr. Part No. 170809 FRBM6-B40/2/01-A
Each
TWD6,770.00(exc. GST)
Temporarily out of stock
Better World
Siemens, SENTRON MCCB 3P 400A, Breaking Capacity 100 kA, Fixed Mount
  • RS Stock No. 249-846
  • Mfr. Part No. 3VA6440-7HM31-0AA0
Each
TWD153,258.00(exc. GST)
Temporarily out of stock
Schneider Electric, ComPacT MCCB 4P 160A, Fixed Mount
  • RS Stock No. 260-7897
  • Mfr. Part No. C25F4TM160
Each
TWD72,070.00(exc. GST)
In Stock
Siemens SENTRON 1 Phase Busbar, 18mm Pitch
  • RS Stock No. 124-3145
  • Mfr. Part No. 5ST3700
Each
TWD325.00(exc. GST)
Temporarily out of stock
SENTRON Motor Operator for use with 3VA63/64 Series
  • RS Stock No. 263-821
  • Mfr. Part No. 3VA9447-0HC15
Each
TWD77,395.00(exc. GST)
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