Medium Voltage Ckg3 Series AC Vacuum Contactor

Medium Voltage Ckg3 Series AC Vacuum Contactor image

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Basic Info.

Model NO.

CKG3-12KV/160A

Trademark

Liyond

Origin

Wenzhou, China

Production Capacity

2000/Month

Product Description

General description

MV vacuum contactor has the features of energy saving, fire protection, explosion-proof, small size, long life, low maintenance cost, reliable operation and non-polluting and so on ,which is widely used in metallurgy, mining, petroleum, chemical, railway, radio, communications, industrial high-frequency heating industry, energy, transportation and other power distribution system. With the technology of breaking the current , high reliability and compact structure, the contactor can be used in particularly harsh conditions. They are suitable for the control and protection (with fuses) lines, substations and distribution stations, motors, transformers, capacitors and so on.

Technical parameters

Model	CKG3-12/160	CKG3-12/250	CKG3-12/400	CKG3-12/630
Rated voltage(kv)	12
Rated current(A)	160	250	400	630
Main circuit joint capability(A/100 times)	1600	2500	4000	6300
On-off capability of main circuit(A/10times)	1280	2000	3200	5000
Limit breaking capacity(A/3 times)	3200	4000	4500	6300
Mechanical life(Ten thousand times)	100
Mechanical lock life(Ten thousand times)	10
Main circuit power frequency voltage withstand(kV)	32
Auxiliary circuit power frequency voltage withstand(kV)	2.5
Power frequency voltage withstand of control circuit(kV)	2
Rated operating frequency(times/h)	300
Frequency of mechanical lock operation(times/h)	30
Contact opening(mm)	5±0.5
Overrange(mm)	1.5±0.3

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