CKG4-10FC 12kV AC Vacuum Contactor Switch 160A-630A for Electrical Panels

CKG4-□/10FC series AC high voltage vacuum contactor is designed for frequent operation and control of AC motors, transformers, capacitors, and other high-voltage equipment. It is widely used in power distribution systems, mining enterprises, and industrial applications.

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CKG4-10FC 12kV AC Vacuum Contactor Switch 160A-630A for Electrical Panels

Electrical Products

Features
Technical Parameters

Vacuum Contactor Features

Reliable arc-extinguishing vacuum chamber

Compact structure, long mechanical life

Excellent electrical durability and low maintenance

Suitable for high-frequency operation and overload protection

Typical Applications
Switchgear and control panels

AC motor control (especially in mining and metallurgy)

Transformer switching

Capacitor bank control

Technical Parameters of CKG4-□/10FC vacuum contactor

Model	CKG4-□/10FC
Rated operating voltage (Ue)	12kV
Rated current (Ie)	160A, 250A, 400A, 630A
Power frequency withstand voltage	42kV
Lightning impulse withstand voltage	75kV
Rated breaking capacity	8Ie 25 times
Rated closing capacity	10Ie 100 times
Rated short-time withstand current	(10Ie) 1.6kA, 2.5kA, 4kA, 6.3kA
Rated peak withstand current	(25Ie) 4kA, 6.3kA, 10kA, 16kA
Short circuit on/off capability	(10Ie) 0-180s-CO-180s-CO 1 time
Overload withstand current	(15Ie) 2.4kA, 3.8kA, 6kA, 10kA
Rated opening distance	5.5 ± 0.5mm
Overstroke	≥1.5mm
Closing synchronism	≤2ms
Mechanical life	500,000 times
Electrical life (AC-3)	250,000 times
Electrical life (AC-4)	100,000 times
Weight	25kg