1.Once Seal-Exhaust Technique 2.Free maintenance and low cost 3.favourable price and selected quality 4.short dilivery time

1mm

Main Technical Data 

Please see the attachment.

Rated voltage	12KV
Rated current	630A
Rated frequency	50HZ
Rated short-time power frequency withstand voltage (1min)	42KV
Rated lightring impulse withstand voltage (1 min)	75KV
Rate short-circuit breaking current	16/20KA
Rate short-circuit making current(peak)	40/50KA
Rated operations of short-circuit breaking current interruption	30 times
Rated single capacitor bank breaking current	400A
Rated short-time withstand current	16/20KA
Rated peak withstand current	40/50KA
Rated duration of short-circuit	4s
Mechanical life	10000 times
Contact closing force due to bellows and atmosphere	70±40N
Conterforce at rated contact stroke	120±50N
Circuit resistance at rated contact atmosphere force	≤20μΩ
Contact closing force due to bellows and atmosphere	70±40N
Conterforce at rated contact stroke	120±50N
Shelf life	20 years
Weight of moving parts	≤0.7kg

 MECHANICAL DATA REQUIRED FOR MATCHED VACUUM SWITCHGEAR

Added contact force	1300/1600±100N
Average opening speed	1.0±0.25m/s
Average closing speed	0.65±0.15/s
Contact bouncing duration at closing operation	≤2ms
Contact bouncing bank amplitude of opening operation	≤2mm
Three-pole simultaneity rated contact stroke	≤1ms  9±1mm

Note:Rated characteristics can be customised on requirment

vacuum interrupter for outdoor ZW32 circuit breaker