Home » Vacuum Contactor » Wholesale 4 Poles 7.2kV 10kV 12kV MV Medium Voltage magnetic contactorVacuum Contactor

Wholesale 4 Poles 7.2kV 10kV 12kV MV Medium Voltage magnetic contactorVacuum Contactor

Model: CKG3-7.2KV-12KV/160A,250A,400,630A/ 4 poles

Description

CKG3-7.2/12 high voltage vacuum AC contactor is suitable for AC 50-60Hz, the main circuit rated working voltage is 7.2KV, 12KV, the rated current is below 630A in the power network for long distance connection and disconnection line and frequent start It is suitable for controlling AC motors, and it is more suitable to replace the vacuum circuit breaker with fuses and various protection devices.

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Advantages

The vacuum contactor has the advantages of strong quenching ability, good pressure resistance performance, high operating frequency, long service life, no arc external spraying, small volume, light weight, long maintenance period and no noise.

Technical parameters
Drawing

Model	160/7.2	250/7.2	400/7.2	630/7.2	160/12	250/12	400/12	630/12
Rated voltage	7.2	7.2	7.2	7.2	12	12	12	12
Rated current	160	250	400	630	160	250	400	630
Main circuit joint capability(A/100 times)	1600	2500	4000	6300	1600	2500	4000	6300
On-off capability of main circuit(A/10times)	1280	2000	3200	5000	1280	2000	3200	5000
Limit breaking capacity(A/3 times)	3200	4000	4500	6300	3200	4000	4500	6300
Mechanical life(Ten thousand times)	100	100	100	100	100	100	100	100
Mechanical lock life(Ten thousand times)	10	10	10	10	10	10	10	10
Main circuit power frequency voltage withstand(kV)	32	32	32	32	32	32	32	32
Auxiliary circuit power frequency voltage withstand(kV)	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Power frequency voltage withstand of control circuit(kV)	2	2	2	2	2	2	2	2
Rated operating frequency(times/h)	300	300	300	300	300	300	300	300
Frequency of mechanical lock operation(times/h)	30	30	30	30	30	30	30	30
Contact opening(mm)	4±0.5	4±0.5	4±0.5	4±0.5	4±0.5	4±0.5	4±0.5	4±0.5
Overrange(mm)	15±0.3	15±0.3	15±0.3	15±0.3	15±0.3	15±0.3	15±0.3	15±0.3