12kv 250A Ckg4 Series AC High Voltage Vacuum Contactor

Product Description

The main technical parameters
1.Rated voltage:
a:Rated working voltage of main circuit of contactors is 6-7.2KV.
b:Rated voltage of control circuit :AC 200V DC 220V.
c:Auxiliary circuit rated voltage:AC200V,DC220V
d:Rated voltage of release: AC 220C,DC220V
2.Rated current: Main circuit:160A,250A,Rated voltage:AC3 160A,250A,400A.
3.Rated frequency:50/60Hz,
4.operating frequency and working system:
The operating frequency of repetitive short-term working system is 6000h-1
Operating Frequency of Mechanical Holding 30h-'
5.The main contact parameters are shown in the table:
Technical Parameter:

Model		CKG4-160	CKG4- 250	CKG4-400	CKG4-630
Rated voltage		10KV / 12KV	10KV / 12KV	10KV / 12KV	10KV / 12KV
Rated Current		160A	250A	400A	630A
Main contact parameter	Open distance (mm)	5.0 ±0.5	5.0 ±0.5	5.0 ±0.5	5.0 ±0.5
	Overtravel (mm)	1.0 ±0.5	1.0 ±0.5	1.0 ±0.5	1.0 ±0.5
Rated frequency		50Hz/60Hz
Electrical life		AC4 Lolad >6*104
Mechanical life		3 *106

Dimension:

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