Circuit Breaker

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This page highlights pre-qualified Circuit Breaker (such as Air Circuit Breaker, Moulded Case Circuit Breaker, Vacuum Breaker, Leakage Circuit Breaker, etc.) manufacturers, exporters and suppliers in China and around the world, which is broadcasted online by the world Suppliers Directory. the sophisticated B2B directory covering useful Circuit Breaker Business information and Circuit Breaker trade services displayed to its full extent by product description and manufacturer background introductions.

Taking advantage of the robust search engine of the world suppliers directory, global Circuit Breaker importers, agents and distributors even Odm/Oem will easily find their opportunities to establish business relationship with reliable Circuit Breaker manufacturers, suppliers and exporters.

Circuit Breaker Supplier and manufacturer

Moulded Case Circuit Breaker
1) DZ108 (3VE) series moulded case circuit breakers adopt the advanced technology of low voltage circuit breaker from Germany ; 2) It is the replacing product of type DZ5-20, DZ5-50, and DZ15-60 circuit breaker in the country ; 3) Rated voltage: up to 660V ; 4) Frequency: AC 40-60Hz ; 5) Rated current: 0.1-63A ; 6) The circuit breaker does the make and break operation to the motor, distribution wire or other electrical device in the underload of AC3, with the protection of overload and short circuit ; 7) Note: AC3 - The start, operation and break of squirrel-cage asynchronous generator

Mini Circuit Breaker
Our high breaking capacity miniature breakers are used to protect the circuit against short circuit and over load, and suitable for distribution systems of industrial and commercial lighting and electric machines. It has an elegant design, is lightweight and offers reliable performance, high breaking capacity, quick release and heat conduction installation. Its case and components are made of high fire retardant and shock resistant plastic and offer a long service life. It is mainly used for protection against over-load, short-circuit and leakage in AC 50Hz, 230V/400V circuits. Meanwhile, it can also be used for infrequently making and breaking electric appliances and lighting circuits under normal working conditions..

Isolator
It is applied to switch on and off the circuit of the terminal boxes or control motors, electrical apparatus, and lighting systems. The superior thermal dynamic stability supplies more protection to the circuits safety. Specifications: 1) Standard: IEC 60947-3 ; 2) Rated current: 32, 63, 100A ; 3) Rated voltage: 230V / 400V ; 4) Poles:1, 2, 3, 4P ; 5) Withstand voltage: 4KV ; 6) Endurance: electrical: 1,500 times; mechanical: 8,500 times ; 7) OEM service: available

High Breaking Capacity Mini Breaker
DZ47-63 high breaking mini breaker is applied to protect the overload and short circuit in the lighting and motor power distribution systems with rated frequency of AC 50Hz or 60Hz, single-pole voltage of 240V, and max rated current of 63A. Under normal condition, it maybe also be applied as the unfrequented make-break electric device and lighting circuit. This product has the following features: beautiful appearance, light in weight, excellent and reliable function. The breaking capacity is quite high and trips rapidly. The case body and the parts adopt the high fire-resistant and impact plastic that can use long life. Pole number is from 1 pole up to 4 poles.

High Voltage Outdoor Vacuum Breaker
Model VH7 vacuum breakers are outdoor high-voltage switchgears used in
three phase AC 50Hz electric systems with rated voltage of 40.5kV. These products feature anti-condensation, anti-fouling, aging resistance, high temperature resistance, long service life, and stable, reliable, maintenance free operation. This model is primarily used for protection and control in industrial, mining and power facilities, particularly in locations that receive heavy use. A knob insulation method is used, employing high performance insulating cement to seal the quenching pot in a common porcelain bushing. The phase pole is airtight and has a drier inside to ensure highly reliable insulation. Designed to be used at an altitude of 2500m, it may also be used in dirty areas of class IV. Additionally, with movement and speed able to be effectively controlled with an omni-range buffer, the breaker and support frame are split for greater operational performance.

Miniature Circuit Breaker
1) Mainly applied to AC 50/60Hz circuits ; 2) With rated voltage of 230V or less, and rated current up to 32A

Motor Protection Circuit Breakers
1) Rated current: 25 / 40 / 63A ; 2) Rated voltage: 240 / 415V AC ; 3) Pole number: 2P, 4P ; 4) Rated operating current: 0.03 / 0.1 / 0.3 / 0.5A

Earth Leakage Circuit Breaker
This earth leakage circuit breaker is used with circuits of 50Hz or 60Hz with rated voltages of 240V (single-phase) and 415V (2, 3 and 4 phases) whose rated currents are up to 100A. In the event of electric shock or excessive residual current the circuit will be broken in 0.1 seconds, automatically protecting persons and equipment.

Air Circuit Breaker Series (ACB)
CDW7 multi-function circuit breakers are designed for protecting power distribution circuits and equipment against failures such as overload, under voltage and short-circuit.

Leakage Breaker
This type of breaker is applicable to a line of AC 50/60Hz, rated voltage 230V and rated current up to 32 A. It is widely used as branch switch for overload, short circuit and leakage protection in hotels, dwelling houses, hospitals, industrial and mining enterprises, etc.

Automatic Switching-Over Electrical Device
1) This electric device is applicable for a rated frequency 50Hz, rated working voltage of 400V, and rated current of 16A-100A. 2) In the power supply system of net-net and net-generator units there are economical and intelligent types. This product is a PC grade automatic switching-over electrical device that conforms to GB/T14048.11 and IEC60947-6-1 standards. 3) Testing qualified, it has strong environmental adaptability, high reliability, wide working voltage range, and 75%ue-120%ue. 4) With compact structure and small volume, which is merely 1/2 of GB standards for the same specification. 5) The economical type automatic switching-over electrical device uses a traditional contactor control as a substitute for intelligent controls and is able to automatically switch over (automatic commissioning-automatic resetting).

Electron Leakage Circuit Breaker
1) 230 / 400V ; 2) Pole: 2P ; 3) Quantity: 5/40

Medium Voltage Vacuum Circuit Breaker
1) The vacuum circuit breakers use vacuum interrupters embedded in resin poles ; 2) Embedding the interrupter in resin makes the circuit-breaker poles particularly sturdy and protects the interrupter against shocks, accumulation of dust and humidity ; 3) The vacuum interrupter houses the contacts and makes up the interrupting chamber ; 4) It serves as an indoor device and operates under the condition of rated 12/17.5KV three phase AC voltage and 50/60Hz frequency ; 5) It can control and protect electric devices of the industry and mine enterprises, generators and transformer sub-station, is a perfect product for frequent operating condition

Lightning Arrester
1) MOA rated voltage: 24KV ; 2) MCOV: 19.5KV ; 3) 1/4μs steep current impulse: 82KV ; 4) 8/20μs lightning current impulse: 72KV ; 5) 30/60μs switching current impulse: 62KV ; 6) 2ms rectangular current impulse withstand: 150A ; 7) 4/10μs high current impulse withstand: 65kA

Illuminated Rocker Switch
1) Voltage resistance: 2000V AC, 1MIN ; 2) Operating temperature: T85 ; 3) Operating life: more than 10,000 cycles ; 4) Contact rating: UL, CUL - 16 /20A, 250/125V AC, 1/2HP, 125V AC; VDE---16A, 250V ; 5) Knob colors: black, red, green, orange and blue ; 6) Base colors: gray, black and white ; 7) Switch crust dimensions: 32.2 x 16.4 x 21.8mm ; 8) Panel installation dimensions: 28.0 x 13.4mm

Hydraulic Magnetic Mini Circuit Breaker
1) Hydraulic magnetic MCB is mainly used to protect circuit against overload and short-circuit.  2) Adopting hydraulic magnetic trip instead of bimetal, it has a high sensitivity, and will not be affected by the ambient temperature. 3) They are mainly used for illumination and distribution in industry or domestic to protect circuit against overload and short-circuit. 4) Under the circuit of 50/60 Hz AC, 240V for one, two-pole; 415V for three-pole, they are complying with IEC 157-1973, and BS3871.

NF Domestic Fuse-Holder
1) STN fuse-holder for domestic protection ; 2) Rated voltage: 220V AC, rated current: up to 32A ; 3) NF standard ; 4) 10A for 8 x 23, 16A for 8 x 31, 20A for 10 x 25, 25A for 10 x 31, 32A for 10 x 38

Stannum Jointing Thread
We offer the stannum jointing thread without plumbum to pretect our environment, we also can supplier the thread mixed with silver or golden, the diametre is 0.8mm;0.9mm;1.0mm;1.1mm;1.2mm ;1.5mm or others; with packing 1 KG 1 core.

Residual Current Operated Circuit Breakers
1) Circuit: AC, 50Hz ; 2) Rated voltage: 400V ; 3) Rated current: 800A ; 4) Used for electric shock protection and indirect contact protection

Mccb Circuit Breaker
Ns series mould case circuit breaker is one of new type breaker which is adopted international advanced design, manufacture technology to develop, the rated insulating voltage is 950v. Suitable for AC 50hz(60hz). Rated working voltage 690v or below, rated working current is 12.5 to 630aof circuit. And use in distributing electric energy. On-frequent making and breaking in the normal conditions and protecting when circuit and installation are overload. Short circuit and lacking voltage. Rated shell-rack and the breaker which current is under 400a, take protecting effect when mouse cage motor's non-frequent start, breaking off working and protecting overload, short circuit and lacking voltage.

Oil Cup Circuit Breakers
Place of Origin: China. Circuit breakers available from 5A to 100A.

Surge Protector (10kA)
1) Continuance voltage: ~385V ; 2) Standard discharge current: 5kA ; 3) Max. current capacity: 10kA ; 4) Protection level: <1.8kV

AHM1L Series Leakage Circuit Breaker AHM1L-400
It is a protective apparatus used to protect people from leakage, mainly used in the circuit of 50Hz, rated voltage 400V, rated current from 0 to 63A. It also can be used to distribute electricity and protect against overload and short circuit as well as for infrequent switchover of circuit. Specifications: 1) AC types ; 2) Rated voltage: 400V ; 3) Rated current: 50-600A.

Two Gang Multifunction Earth Leakage Circuit Breaker
1) Module design and standard guide installation ; 2) Current transformer uses a beryllium membrane alloy material and has high reliability


If you need more information for Air Circuit Breaker, Moulded Case Circuit Breaker, Vacuum Breaker, Leakage Circuit Breaker, Circuit Breaker Manufacturer, Supplier, Exporter , Company  from China and around the world, you can email to welaoyun@163.com.

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