7.2KV Vacuum Contactor

Type: CKG3-7.2
Detailed product description:
The vacuum contactor is mainly used in the power systems with AC 50Hz and rated voltage 6kV or 12kV, for making or breaking circuit and to make electromagnetic starter with suitable protective device and F-C case.
Working condition:
1) Altitude above sea should not be over 1,000m;
2) Ambient temperature is -5~40°C;
3) Average temperature in 24 hour limited below 35°C;
4) When the highest temperature is 40°C, the relative humidity should not be higher than 50%;
5) Pollution degree: class 3

Product model	Rated voltage (V)		Rated current (main circuit)A	Main contact parameter			Power frequency voltage resistance V(effective value)
	Main circuit	Control circuit		Clearance between open contacts (mm)	Over travel (mm)	Final pressure (N)
	Main circuit	Control circuit		Clearance between open contacts (mm)	Over travel (mm)	Final pressure (N)	Main circuit	Auxiliary circuit	Control circuit
CKG3-7.2/160	7200	220/110	160	3.5±0.3	2±0.2	>85N	32000	2500	2000
CKG3-7.2/250	7200	220/110	250	3.5±0.3	2±0.2	>85N	32000	2500	2000
CKG3-7.2/400	7200	220/110	400	3.5±0.3	2±0.2	>85N	32000	2500	2000
CKG3-7.2/630	7200	220/110	630	3.5±0.3	2±0.2	>85N	32000	2500	2000
CZG1-7.2/400	7200	220/110	400	4.5±0.3	2±0.2	>85N	32000	2500	2000
ZN-7.2/630	7200	220	630	5±0.5	2±0.2	>85N	32000	2500	2000

Product model	Making capacity	Breaking capacity	Limit breaking current (A)	Over load capacity	Mechanical life times	Weight (kg)
CKG3-7.2/160	10Ie,100times	8Ie,25times	10Ie	8Ie,10s	100*104	25.5
CKG3-7.2/250	10Ie,100times	8Ie,25times	10Ie	8Ie,10s	100*104	25.5
CKG3-7.2/400	10Ie,100times	8Ie,25times	10Ie	8Ie,10s	100*104	25.5
CKG3-7.2/630	10Ie,100times	8Ie,25times	10Ie	8Ie,10s	100*104	25.5
CZG1-7.2/400	10Ie,100times	8Ie,25times	10Ie	8Ie,10s	100*104	27
ZN-7.2/630	10Ie,100times	8Ie,25times	10Ie	8Ie,10s	100*104	36