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CKJ30-3.3 mining vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 3.3 kV, for direct or remote on-off control of the main circuit.

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

Please state the following when placing the order:

1. Title, model/specification of the product;
2. Rated voltage, rated current and rated control voltage;
3. Quantity of product and spare parts;
4. Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJ20-2.0 vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 2kV, for direct or remote on-off control of the main circuit.

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

Please state the following when placing the order:

• Title, model/specification of the product;
• Rated voltage, rated current and rated control voltage;
• Quantity of product and spare parts;
• Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJ11-1.14 vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 1140V, for direct or remote on-off control of the main circuit. 

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

Please state the following when placing the order:

1) Title, model/specification of the product;

2) Rated voltage, rated current and rated control voltage;

3) Quantity of product and spare parts;

4) Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJ5-1140V AC vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 1140V, for direct or remote on-off control of the main circuit.

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

The vacuum contactor mainly consist of vacuum switch tube (vacuum interrupter), base, rotating arm of force, electro-magnetic coil, opening spring, contact spring, spacing part and so forth. When the electro-magnetic coil gets power, attract the moving armature to drive the rotating arm of force do anticlockwise rotation. The rotating arm of force, by way of contact spring, press the moving contact and fixed contact in the vacuum switch tube to touch, then the main circuit will make. After the power to the electro-magnetic coil cut off, the moving armature, by the effect of opening spring, drives the rotating arm of force to do clockwise rotation.

After the over travel H, the rotating arm of force drives the moving contact rod to press the moving contact and fixed contact separate, then the main circuit will cut off. Because of the spacing component, the rotation angle of the rotating arm of force if fixed and never change.

The vacuum switch tube consists of moving/fixed contact, bellow, conducting rod, ceramic enclosure and so forth.

Please state the following when placing the order:

1. Title, model/specification of the product;
2. Rated voltage, rated current and rated control voltage;
3. Quantity of product and spare parts;
4. Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJP Series Single-pole AC Vacuum Contactor. Vacuum contactor is an new power switch device developed since 60s, which has low voltage vacuum interrupter as the make-and-break component.

Its conductive contact is sealed in the vacuum shell which has vacuum as the insulation and arc-extinguishing medium. Due to electric arc not exposed, it has features of safety and reliability, low noise, frequently operating, little maintenance, as well as small size and strong breaking capacity. Therefore, this product has been used widely in each power system.

CKJP series single-pole AC vacuum contactor (short as contactor) is used in the power circuit of AC 50 Hz, rated voltage 220 V, rated current 125A, 250A, and 400A. It is used for controlling welding machine, resistance switching of slip ring type asynchronous motor rotor circuit, heater, and lighting, which also can be used for remote making and breaking circuit.

Normal using condition:

• Altitude: ≤2000m;
• Ambient temperature: +40℃≥ -25℃;
• Related humidity: monthly average maximum ≤90% (at monthly average minimum temperature 25℃);
• Slant angle between installation surface and vertical surface is not more than 15°; installing class is class Ⅲ
• Places without intense impact, vibration, or shock;
• In the medium without explosion danger, gas or dust which can erode metal and destroy insulation;
• Places away from rain an d snow.
• Rated operating current: 125A, 250A, 400A;
• Making and breaking capacity of main circuit: making 2000A, breaking 1500A;
• Limit breaking capacity: 3500A, 6000A;
• Electric life: more than 600000 times;
• Mechanical life: more than 1.5 million times;

The operating system of the contactor is divided into interrupted long term operating system and repeated operating system. The operating frequency of AC-1 and AC-5 load is 600 time/h, while operating frequency of short-time operating system (operating time is not more than 20) is 3000 time/h.

Note: Customized products are available. You can ask Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

The vacuum circuit breaker Model ZN20-500 is suitable to exchange 50HZ, the nominal voltage is to 1140 KV. Rated current to the industrial and mining enterprises of 500A, the power plant, the combination of converting station and frequent operation.

Used mainly in the using of protection and control of the electrical apparatus. In being vacuum in stylus for medium, therefore, its volume little, withstand voltage is high, breaking is high in ability, have long performance life, stylus needn’t maintenance, especially because its electric arc is not exposed, safe and reliable advantage, it is industrial sectors such as coal, electricity, chemical industry, metallurgy, petroleum, etc.

Technical parameters:

• Rated operational voltage 1140V,
• Rated operational current 500A,
• Amount shorts out in the breaking current 9KA ,
• Amount shorts out 16 times of number of times of on-off ,
• 3000 times of number of times of the on-off of rated current ,
• 15,000 times of mechanical life,
• Amount tolerates the electric current 9KA in short-term,
• Amount tolerates time 4S in short-term ,
• Specified mains frequency tolerates the voltage 10KV

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

ZN7 series vacuum circuit breaker, under normal circumstances, VCB can be used as infrequent line conversion and motor were infrequent start function.

Used mainly in the using of protection and control of the electrical apparatus. In being vacuum in stylus for medium, therefore, its volume little, withstand voltage is high, breaking is high in ability, have long performance life, stylus needn’t maintenance, especially because its electric arc is not exposed, safe and reliable advantage, it is industrial sectors such as coal, electricity, chemical industry, metallurgy, petroleum, etc.

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

ZK1-630/1140 AC low-voltage vacuum circuit breaker is suitable to exchange 50HZ, the nominal voltage is to 1140V.

Rated current to the industrial and mining enterprises of 630A, the power plant, the combination of converting station and frequent operation. Used mainly in the using of protection and control of the electrical apparatus. The stylus is in the vacuum medium, therefore, its volume is small, the high, breaking ability of withstand voltage is high.

The vacuum circuit breaker is suitable to exchange 50 HZ, the nominal voltage is to 1140 V. rated current to the industrial and mining enterprises of 630A, the power plant, the combination of converting station and frequent operation. Used mainly in the using of protection and control of the electrical apparatus.

It is in stylus at medium vacuum, therefore, its volume little, withstand voltage is high, breaking is high in ability, have long performance life, stylus needn't maintenance, especially because its electric arc is not exposed, safe and reliable advantage, it is industrial sectors such as coal, electricity, chemical industry, metallurgy, petroleum, etc.

Detailed parameters:

• Rated current: 630A
• Nominal voltage: 1140V
• Inherent closing time: ≤ 100ms
• The time of inherent separating brake: ≤ 30ms
• Three phases are asynchronous: ≤ 1ms
• Amount shorts out in the electric current of make-and-break: 12.5KA
• The number of times of make-and-break that amount shorts out: 16
• Electrical durability time: 3000
• Mechanical life time: 15000
• Weight: 45kg

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

LW3-12 SF6 HV outdoor circuit breaker is a new type product that SF6 is taken for insulating and arc extinguishing. The arc-chute consists of a breaker and an operative mechanism, using rotating arc principle. Compared with the 10KV series outdoor breakers, this kind of product has obvious advantages, such as a simple structure, the higher reliability of insulating and arc extinguishing, a lower operative power, and a higher rated parameter, a longer electrical service life, a long maintenance free duration, and so on.

This kind of product can be divided into two types: Type I and Type II. The main difference is that, type I is fitted with a kind of manual energy -storage mechanism operated by spring, mainly used on the pillar, and type II is equipped with motor-driven energy - storage mechanism operated by spring which not only can be operated by hand directly or be controlled remote, but also can do coincide automatically, mainly used in the mini-medium substation for protecting and controlling.

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

LW43-252 SF6 Circuit Breaker isthree-phase AC 50Hz outdoor HV electrical apparatus, for control and protection of 220kV power system as well as communicating with circuit breaker.

Standard: IEC 62271-100.

Working Condition:

• Daily temperature variation 25
• Sunshine 0.1W/cm
• Relative humidity Daily average value 95%
• Monthly average value 90%
• Seismic: Horizontal acceleration: 0.250g
• Vertical acceleration: 0.125g
• P 25mm/kV), 31mm/kV)
• Thickness of ice covering: 10 mm (the wind velocity 15m/s)
• Protection degree IP5XW
• Max wind velocity: 34m/s

Note: Customized products are available.

You can ask Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJ30-3.3 mining vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 3.3 kV, for direct or remote on-off control of the main circuit.

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

Please state the following when placing the order:

1. Title, model/specification of the product;
2. Rated voltage, rated current and rated control voltage;
3. Quantity of product and spare parts;
4. Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJ20-2.0 vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 2kV, for direct or remote on-off control of the main circuit.

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

Please state the following when placing the order:

• Title, model/specification of the product;
• Rated voltage, rated current and rated control voltage;
• Quantity of product and spare parts;
• Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJ11-1.14 vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 1140V, for direct or remote on-off control of the main circuit. 

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

Please state the following when placing the order:

1) Title, model/specification of the product;

2) Rated voltage, rated current and rated control voltage;

3) Quantity of product and spare parts;

4) Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJ5-1140V AC vacuum contactor is suitable for an AC 50-60 Hz electric power system, with highest operating voltage of 1140V, for direct or remote on-off control of the main circuit.

Especially suitable for controlling of frequently operated of the motor, or other loads. It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.

The vacuum contactor mainly consist of vacuum switch tube (vacuum interrupter), base, rotating arm of force, electro-magnetic coil, opening spring, contact spring, spacing part and so forth. When the electro-magnetic coil gets power, attract the moving armature to drive the rotating arm of force do anticlockwise rotation. The rotating arm of force, by way of contact spring, press the moving contact and fixed contact in the vacuum switch tube to touch, then the main circuit will make. After the power to the electro-magnetic coil cut off, the moving armature, by the effect of opening spring, drives the rotating arm of force to do clockwise rotation.

After the over travel H, the rotating arm of force drives the moving contact rod to press the moving contact and fixed contact separate, then the main circuit will cut off. Because of the spacing component, the rotation angle of the rotating arm of force if fixed and never change.

The vacuum switch tube consists of moving/fixed contact, bellow, conducting rod, ceramic enclosure and so forth.

Please state the following when placing the order:

1. Title, model/specification of the product;
2. Rated voltage, rated current and rated control voltage;
3. Quantity of product and spare parts;
4. Other special requirements.

You can asking Data Sheet List before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  or This email address is being protected from spambots. You need JavaScript enabled to view it.

CKJP Series Single-pole AC Vacuum Contactor. Vacuum contactor is an new power switch device developed since 60s, which has low voltage vacuum interrupter as the make-and-break component.

Its conductive contact is sealed in the vacuum shell which has vacuum as the insulation and arc-extinguishing medium. Due to electric arc not exposed, it has features of safety and reliability, low noise, frequently operating, little maintenance, as well as small size and strong breaking capacity. Therefore, this product has been used widely in each power system.

CKJP series single-pole AC vacuum contactor (short as contactor) is used in the power circuit of AC 50 Hz, rated voltage 220 V, rated current 125A, 250A, and 400A. It is used for controlling welding machine, resistance switching of slip ring type asynchronous motor rotor circuit, heater, and lighting, which also can be used for remote making and breaking circuit.

Normal using condition:

• Altitude: ≤2000m;
• Ambient temperature: +40℃≥ -25℃;
• Related humidity: monthly average maximum ≤90% (at monthly average minimum temperature 25℃);
• Slant angle between installation surface and vertical surface is not more than 15°; installing class is class Ⅲ
• Places without intense impact, vibration, or shock;
• In the medium without explosion danger, gas or dust which can erode metal and destroy insulation;
• Places away from rain an d snow.
• Rated operating current: 125A, 250A, 400A;
• Making and breaking capacity of main circuit: making 2000A, breaking 1500A;
• Limit breaking capacity: 3500A, 6000A;
• Electric life: more than 600000 times;
• Mechanical life: more than 1.5 million times;

The operating system of the contactor is divided into interrupted long term operating system and repeated operating system. The operating frequency of AC-1 and AC-5 load is 600 time/h, while operating frequency of short-time operating system (operating time is not more than 20) is 3000 time/h.

Note: Customized products are available. You can ask Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

The vacuum circuit breaker Model ZN20-500 is suitable to exchange 50HZ, the nominal voltage is to 1140 KV. Rated current to the industrial and mining enterprises of 500A, the power plant, the combination of converting station and frequent operation.

Used mainly in the using of protection and control of the electrical apparatus. In being vacuum in stylus for medium, therefore, its volume little, withstand voltage is high, breaking is high in ability, have long performance life, stylus needn’t maintenance, especially because its electric arc is not exposed, safe and reliable advantage, it is industrial sectors such as coal, electricity, chemical industry, metallurgy, petroleum, etc.

Technical parameters:

• Rated operational voltage 1140V,
• Rated operational current 500A,
• Amount shorts out in the breaking current 9KA ,
• Amount shorts out 16 times of number of times of on-off ,
• 3000 times of number of times of the on-off of rated current ,
• 15,000 times of mechanical life,
• Amount tolerates the electric current 9KA in short-term,
• Amount tolerates time 4S in short-term ,
• Specified mains frequency tolerates the voltage 10KV

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

ZN7 series vacuum circuit breaker, under normal circumstances, VCB can be used as infrequent line conversion and motor were infrequent start function.

Used mainly in the using of protection and control of the electrical apparatus. In being vacuum in stylus for medium, therefore, its volume little, withstand voltage is high, breaking is high in ability, have long performance life, stylus needn’t maintenance, especially because its electric arc is not exposed, safe and reliable advantage, it is industrial sectors such as coal, electricity, chemical industry, metallurgy, petroleum, etc.

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

ZK1-630/1140 AC low-voltage vacuum circuit breaker is suitable to exchange 50HZ, the nominal voltage is to 1140V.

Rated current to the industrial and mining enterprises of 630A, the power plant, the combination of converting station and frequent operation. Used mainly in the using of protection and control of the electrical apparatus. The stylus is in the vacuum medium, therefore, its volume is small, the high, breaking ability of withstand voltage is high.

The vacuum circuit breaker is suitable to exchange 50 HZ, the nominal voltage is to 1140 V. rated current to the industrial and mining enterprises of 630A, the power plant, the combination of converting station and frequent operation. Used mainly in the using of protection and control of the electrical apparatus.

It is in stylus at medium vacuum, therefore, its volume little, withstand voltage is high, breaking is high in ability, have long performance life, stylus needn't maintenance, especially because its electric arc is not exposed, safe and reliable advantage, it is industrial sectors such as coal, electricity, chemical industry, metallurgy, petroleum, etc.

Detailed parameters:

• Rated current: 630A
• Nominal voltage: 1140V
• Inherent closing time: ≤ 100ms
• The time of inherent separating brake: ≤ 30ms
• Three phases are asynchronous: ≤ 1ms
• Amount shorts out in the electric current of make-and-break: 12.5KA
• The number of times of make-and-break that amount shorts out: 16
• Electrical durability time: 3000
• Mechanical life time: 15000
• Weight: 45kg

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

LW3-12 SF6 HV outdoor circuit breaker is a new type product that SF6 is taken for insulating and arc extinguishing. The arc-chute consists of a breaker and an operative mechanism, using rotating arc principle. Compared with the 10KV series outdoor breakers, this kind of product has obvious advantages, such as a simple structure, the higher reliability of insulating and arc extinguishing, a lower operative power, and a higher rated parameter, a longer electrical service life, a long maintenance free duration, and so on.

This kind of product can be divided into two types: Type I and Type II. The main difference is that, type I is fitted with a kind of manual energy -storage mechanism operated by spring, mainly used on the pillar, and type II is equipped with motor-driven energy - storage mechanism operated by spring which not only can be operated by hand directly or be controlled remote, but also can do coincide automatically, mainly used in the mini-medium substation for protecting and controlling.

You can asking Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.

LW43-252 SF6 Circuit Breaker isthree-phase AC 50Hz outdoor HV electrical apparatus, for control and protection of 220kV power system as well as communicating with circuit breaker.

Standard: IEC 62271-100.

Working Condition:

• Daily temperature variation 25
• Sunshine 0.1W/cm
• Relative humidity Daily average value 95%
• Monthly average value 90%
• Seismic: Horizontal acceleration: 0.250g
• Vertical acceleration: 0.125g
• P 25mm/kV), 31mm/kV)
• Thickness of ice covering: 10 mm (the wind velocity 15m/s)
• Protection degree IP5XW
• Max wind velocity: 34m/s

Note: Customized products are available.

You can ask Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.