CKG3-7.2/160,250,400,630-5 AC High Voltage Vacuum Contactor

Product Detail

Main Technical Parameters

Model	CKG3-7.2/160-630-5
Main circuit rated voltage(KV)	7.2	7.2	7.2	7.2
Main circuit rated current(A)	160	250	400	630
Main circuit making ability(A/100 Ops.)	1600	2500	4000	6300
Main circuit break-making ability(A/25 Ops.)	1280	2000	3200	5000
Maximum break ability(A/3 Ops.)	3200	3200	4000	6300
Mechanical life(Ops.)	1000000	1000000	1000000	1000000
Power-frequency withstand voltage for main circuit(kV)	32	32	32	32
Power-frequency withstand voltage for ouxillary circuit(kV)	2.5	2.5	2.5	2.5
Power-frequency withstand voltage for control circuit(kV)	2	2	2	2
Rated operating frequency(Ops./h)	300	300	300	300
Opening time(ms)	≤120	≤120	≤120	≤120
Closing time(ms)	≤150	≤150	≤150	≤150
Clearance between open contact(mm)	4 ±0.5	4 ±0.5	4 ±0.5	4 ±0.5
Over travel(mm)	≥1.2	≥1.2	≥1.2	≥1.2