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

35698 Products showing for Circuit Breakers

1 of 999+
In Stock
Schneider Electric Multi9 C60SP Miniature Circuit Breaker, 1-Pole, 16 A, Type B, 415 V ac AC, 60 V DC, 10 kA Breaking
  • RS Stock No. 211-2333
  • Mfr. Part No. M9F21116
Each
HK$104.40
In Stock
Schneider Electric Acti9 iC60H Miniature Circuit Breaker, 2-Pole, 10 A, Type C, 100 V DC, 10 kA Breaking Capacity
  • RS Stock No. 791-3341
  • Mfr. Part No. A9F54210
Each
HK$893.20
In Stock
ETA Thermal Magnetic Circuit Breaker - 201 Single Pole, 5A Current Rating
  • RS Stock No. 333-265
  • Mfr. Part No. 201-5A
Each
HK$321.50
Currently unavailable
Schneider Electric IID RCCB, 40A, 4 Pole, 30mA, Type A, 380 → 415V ac
  • RS Stock No. 230-6688
  • Mfr. Part No. A9R51440
Each
HK$858.21
In Stock
Schneider Electric Acti9 IC60N Miniature Circuit Breaker, 1-Pole, 16 A, Type C, 240 V AC, 72 V DC, 6 kA Breaking
  • RS Stock No. 790-8866
  • Mfr. Part No. A9F44116
Each
HK$195.10
Temporarily out of stock
Schneider Electric QO110C10RCB RCCB, 10A, 1 Pole, Type C, 240V
  • RS Stock No. 214-755
  • Mfr. Part No. QO110C10RCBO30F
Each
HK$3,748.56
Temporarily out of stock
Eaton, PN1 Molded Case Circuit Breaker 1-Pole 100 A, Breaking Capacity 2.8 kA
  • RS Stock No. 628-8060
  • Mfr. Part No. 259141 PN1-100
1 Box of 1
HK$2,867.00
In Stock
Schneider Electric iID RCCB, 63A, 4 Pole, 300mA, Type B-SI, 400V ac
  • RS Stock No. 248-3725
  • Mfr. Part No. A9Z64463
Each
HK$12,009.80
Temporarily out of stock
Siemens 5SV5 RCCB, 40A, 4 Pole, 30mA, Type A, 400V ac
  • RS Stock No. 202-7100
  • Mfr. Part No. 5SV5344-6KL
Each
HK$765.90
Temporarily out of stock
Schneider Electric Multi9 N40N Miniature Circuit Breaker, 3-Pole, 16 A, Type C, 415 V ac AC
  • RS Stock No. 214-2094
  • Mfr. Part No. M9P22716
Each
HK$1,133.30
In Stock
Schneider Electric Multi9 C60N Miniature Circuit Breaker, 3-Pole, 16 A, Type C, 240 V ac AC, 125 V DC, 30 kA Breaking
  • RS Stock No. 214-2071
  • Mfr. Part No. M9F11316
Each
HK$1,461.70
In Stock
Schneider Electric Busbar Trunking Blanking Plate, Canalis KBC Series
  • RS Stock No. 219-8883
  • Mfr. Part No. KBC16ZB1
Each (In a Pack of 10)
HK$64.24
In Stock
Schneider Electric Acti9 iC60H Miniature Circuit Breaker, 1-Pole, 2 A, Type B, 240 V AC, 48 V DC, 10 kA Breaking
  • RS Stock No. 791-3146
  • Mfr. Part No. A9F53102
Each
HK$215.60
In Stock
Schneider Electric Acti9 Acti9 iDT40T Miniature Circuit Breaker, 3-Pole, 40 A, Type D, 400 V AC, 4500 A Breaking
  • RS Stock No. 238-3397
  • Mfr. Part No. A9P32740
Each
HK$2,339.63
In Stock
ABB System Pro M Compact S200 Miniature Circuit Breaker, 2-Pole, 63 A, Type B, 400 V AC, 6 kA Breaking Capacity
  • RS Stock No. 746-7582
  • Mfr. Part No. 2CDS252001R0635 S202-B63
Each
HK$322.40
In Stock
Schneider Electric Acti9 IC60N Miniature Circuit Breaker, 3-Pole, 16 A, Type C, 440 V ac AC, 133 V DC, 10 kA Breaking
  • RS Stock No. 776-6974
  • Mfr. Part No. A9F04316
Each
HK$952.20
In Stock
ETA Thermal Circuit Breaker - 4130 Single Pole 240V Voltage Rating Panel Mount, 50A Current Rating
  • RS Stock No. 405-9242
  • Mfr. Part No. 4130-G211-K4M1-50A
Each
HK$620.00
In Stock
Schneider Electric Acti9 A9N1 Miniature Circuit Breaker, 2-Pole, 100 A, Type C, 250 V DC, 15000 A Breaking Capacity
  • RS Stock No. 219-8296
  • Mfr. Part No. A9N18458
Each
HK$2,389.00
In Stock
Schneider Electric Insulation Accessory for use with Compact NSX, Easy Pact CVS
  • RS Stock No. 201-3601
  • Mfr. Part No. LV429517
Each
HK$287.00
Temporarily out of stock
Siemens SENTRON 5SY Miniature Circuit Breaker, 1-Pole, 8 A, Type C, 400 V AC, 10 kA Breaking Capacity
  • RS Stock No. 232-2310
  • Mfr. Part No. 5SY5108-7
Each
HK$698.10
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