CKG3 Vacuum Contactor

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1.Product descriptions

CKG3 series AC high voltage vacuum contactors, is suitable for AC 50 ~ 60HZ, rated voltage of the main circuit 3.6KV 7.2KV, rated current from 160A to 1250A power network system for remote making and breaking and frequent starting and controlling AC motors, transformers and capacitor banks and other occasions .

2.The use of the environment conditions

2.1.Ambient temperature -25 ℃ ~ +40 ℃.

2.2.Installation site altitude does not exceed 2000m.

2.3.The relative humidity of the air , the wettest month average monthly maximum relative humidity of 90% , monthly average minimum temperature of 25 ° C,and taking into account the Cream of temperature changes on the surface of the product .

2.4.Environment:anhydrous invasion,non-corrosive and flammable gas and excessive vibration occasions .

3.Use requirements

3.1.Properly select the the contactor technology parameters , including auxiliary switch contacts are not overloaded .

3.2.Around and above contactor to leave enough space for insulation, to ensure the safety of use.

3.3.When you power up the control but there is no response, the power should be immediately cut off and check the reasons of control power,to avoid burnt out solenoid.

3.4.When the contactor is used to control inductive loads , recommended the the RC RC protection or varistor protection of overvoltage absorption protection device to protect the load security

3.5.When the electromagnetic system have strong magnetic attraction when it’s in working ,we should keep the things with ferromagnetic material away form the machine .

3.6.The contact device is not suitable carries on the series joining-up work

3.7.Main circuit connection principle : the upper end ( quiet side) into the line side , the lower end ( moving end ) is the outlet end .

Company profile
Zhejiang Xikai Electric Co., Ltd engineers and manufactures medium- high-voltage electric
equipment, components and systems that deliver reliable electric power to homes, industries,
businesses, and institutions worldwide. We are a leader in providing load break switch, vacuum
circuit breaker, isolating switch that enable customers to increase productivity, improve system
reliability and reduce costs.
Our products, services, and solutions are used worldwide for public, commercial, and industrial
power systems. Our products had passed the test at Ministry of Power Industry of PRC and
Electric Power Research Institute of PRC.
As a global manufacture, Zhejiang Xikai Electric Co., Ltd provides a wide range of
forward-looking solutions including Power Systems Protection, Distribution System Reliability
and Power Quality products and services. Through our commitment to research and development,
we continue to develop smart solutions for safe, reliable, environmentally friendly power
Our products include indoor high voltage load break switch, vacuum load break switch, circuit
breaker; outdoor high voltage load break switch, circuit breaker; high voltage earthing switch;
high voltage isolating switch and fuse.
We offer our customers integrated protective solutions using innovative products combined with
unrivalled service and reliability world wide


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