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CKG-7.2(12) AC vacuum contactor
CKG-7.2(12) AC vacuum contactor

Minimum Order: 0
Quality/Safety Certification: 0.00


1.vacuum circuit breaker with IEC standard
2.Reliable and maintenance free
3.Long service life,non exploration

CKG-7.2(12) AC vacuum contactor

vacuum circuit breaker with IEC standard
Reliable and maintenance free
Long service life,non exploration
Short delivery time


JCZ5-7.2(12) series alternating current vacuum contactor have adopted international prevalent up-down layout, convenient to use and maintain for the reason of small size, light weight and low noise, easily apt to make-up F-C circuit complete set of equipment. They are especially appropriate to frequent operation places to direct or distance connect or break the main circuit in the area of coal, petroleum, chemical industry, metallurgy, electric power, mechanical, transportation and so on..

Ambient condition

1 Ambient temperature: max +40°C min -15°C(conveyance under -30°C is allowed)

2 Altitude: ≤1000m

3 Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2*10-3 MPa; monthly average value   ≤1.8*10-3 MPa

4 Earthquake intensity: ≤8 degree

5 The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution

Order instruction

Complete model and order quantity of the product

Rated current, rated voltage, distance of each poles

Rated short circuit breaking current, operation voltage

Required accessory and quantity

Other requirement please contact with us directly

Main technical data

Rated voltage                                                             kv7.2/12
Rated current                                                             A160250400630
Rated connect ability(100 times)A1600250040006300
Rated breaking ability(25 times)A1280200032005000
Untimate breaking ability(3 times)A4000400050006300
Rated short-time power frequency withstand voltage of fracture   kv32/42
Interphase and overground power frequency withstand voltagekv32/42
Rated lighting impulse withstand voltagekv60/75
Contact resistor of main circuit μΩ≤200
Rated operation frquencytimes/h600
Lock catch  operation frquencytimes/h60
Mechanical life                                           times1000000
Lock catch lifetimes300000
Terminal pressure of contactor>100>150
Rated contact stroke                                      mm5/6±0.5
Overtravel mm1.5±0.5
Weightkg26/30

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