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

35852 Products showing for Circuit Breakers

53 of 999+
Temporarily out of stock
Schneider Electric Acti9 3 Phase Distribution Board, 22 Way, 125 A
  • RS Stock No. 339-357
  • Mfr. Part No. SEA9BPN12514S8
Each
HK$60,182.40
Temporarily out of stock
Hager CPC RCCB, 80A, 3P+N Pole, 300mA, Type AC, 230 → 400V ac
  • RS Stock No. 597-888
  • Mfr. Part No. CPC680F
Each
HK$6,750.10
Temporarily out of stock
Better World
ABB, XT2H MCCB 4P 40A, Fixed Mount
  • RS Stock No. 236-7391
  • Mfr. Part No. 1SDA067619R1 XT2H 160 TMA 40A FF
Each
HK$4,420.52
Temporarily out of stock
Schneider Electric, ComPacT New generation MCCB 3P 160A, Breaking Capacity 440 V, Fixed Mount
  • RS Stock No. 205-310
  • Mfr. Part No. C12F34V160B
Each
HK$29,224.04
Temporarily out of stock
Better World
Siemens, SENTRON MCCB Molded Case Circuit Breaker 2P 160A, Breaking Capacity 36 kA, DIN Rail Mount
  • RS Stock No. 271-9767
  • Mfr. Part No. 3VA1116-4ED22-0AA0
Each
HK$6,536.50
Temporarily out of stock
ABB System Pro M Compact S200 M UC MCB, 1P, 10A Curve B, 230V AC, 220V DC, 10 kA Breaking Capacity
  • RS Stock No. 200-022
  • Mfr. Part No. 2CDS271061R0105
Each
HK$1,075.36
In Stock
ABB DS201 RCCB, 6A, 1+N Pole, Type C, 230/400V
  • RS Stock No. 289-1625
  • Mfr. Part No. 2CSR245041R1064
Each
HK$943.55
Temporarily out of stock
SENTRON Cable for use with 3VA51/52, 3VA61/62 Series
  • RS Stock No. 263-814
  • Mfr. Part No. 3VA9278-0CC70
Each
HK$2,962.90
In Stock
ABB High Performance S800N MCB, 1P, 100A Curve B, 400V AC, 36 kA Breaking Capacity
  • RS Stock No. 435-352
  • Mfr. Part No. 2CCG001215R0001
Each
HK$879.03
In Stock
Better World
Schneider Electric RCD, 32A Current Rating, 1P+N Poles, Type AB, Easy9 Range
  • RS Stock No. 850-8669
  • Mfr. Part No. EZ9D16832
Each
HK$427.90
Temporarily out of stock
Siemens SENTRON 5SY Circuit Breaker, 3P+N, 63A Curve D, 440V AC, 60V DC, 20 kA Breaking Capacity
  • RS Stock No. 664-338
  • Mfr. Part No. 5SY8663-8
Each
HK$5,696.51
Temporarily out of stock
ABB S804S MCB, 4P, 8A Curve B, 690V AC, 50 kA Breaking Capacity
  • RS Stock No. 141-193
  • Mfr. Part No. 2CCS864001R0085
Each
HK$7,134.01
Temporarily out of stock
ABB S800U MCB, 2P, 90A Curve K, 240V AC, 50 kA Breaking Capacity
  • RS Stock No. 141-174
  • Mfr. Part No. 2CCS862017R0907
Each
HK$6,800.89
Temporarily out of stock
Better World
Schneider Electric Vertical Distribution Busbar Trunking, 0.8m, 630A, Canalis KS Series
  • RS Stock No. 211-0478
  • Mfr. Part No. KSA630ED4081
Each
HK$24,108.60
Temporarily out of stock
SENTRON Wire Connector for use with 3VA61/62 Series
  • RS Stock No. 263-919
  • Mfr. Part No. 3VA9243-0JG12
1 Kit
HK$579.40
Temporarily out of stock
HENSEL ENYMOD Distribution Board
  • RS Stock No. 117-377
  • Mfr. Part No. Mi 1684
Each
HK$6,326.00
Temporarily out of stock
HENSEL ENYBOARD Distribution Board, 75 A
  • RS Stock No. 117-324
  • Mfr. Part No. FC N 30
Each
HK$274.80
Temporarily out of stock
ABB, Tmax MCCB 4P 320A, Fixed Mount
  • RS Stock No. 237-5957
  • Mfr. Part No. 1SDA054147R1 T4L320 FF PR222-LSI 320A
Each
HK$24,798.89
Temporarily out of stock
Better World
Siemens, Sentron MCCB Molded Case Circuit Breaker 3P 40A, Breaking Capacity 2.5 kA
  • RS Stock No. 245-508
  • Mfr. Part No. 3VA6140-6KT31-2AA0
Each
HK$16,515.80
In Stock
Schneider Electric Removable Lock for use with Compact NB400, Compact NB600, Compact NG160, Compact NR100, Compact
  • RS Stock No. 188-1209
  • Mfr. Part No. 29370
Each
HK$259.90
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