CKG AC Vacuum Contactor

Overview

The CKG series AC high-voltage vacuum contactor is suitable for use in power systems with an AC frequency of 50Hz, a main circuit rated working voltage of up to 12kV, and a rated current of 630A or less.

This contactor complies with GB/T 14808, IEC60470, and JB/T 7122 standards, and its main performance indicators have reached international standards.

Operating Conditions

1. Altitude: ≤ 1000 meters;

2. The environment temperature: upper limit +40℃, lower limit -5℃;

3. When the highest temperature is 40°C, the relative humidity should not be higher than 50%;

4. Average temperature in 24 hour limited below 35°C;

5. Pollution degree: III;

Technical Data

Item	Unit	Parameter
		CKG-160~630/7.2				CKG-160~630/12
Rated voltage	kV	7.2				12
Rated current	A	160	250	400	630	160	250	400	630
Making ability	A/100Times	1600	2500	4000	6300	1600	2500	4000	6300
Break-making ability	A/25Times	1280	2000	3200	5000	1280	2000	3200	5000
Rated power frequency withstand voltage	kV	28				42
Mechanical life	Times	1,000,000
Rated operating frequency	Times/h	300
Short-time operation frequency(20s)		1000
Mechanical lock operation frequency		120
Clearance between open contact	mm	4±0.2				6±0.5
Overtravel		1.8±0.2
Closing time	ms	≤80
Opening time		≤40
Main circuit resistance	μΩ	≤200
Three-phase out-of-phase time	ms	≤2

Overview

Operating Conditions

Technical Data

Overall and mounting dimensions(mm)