1.Once Seal-Exhaust Technique 2.Free painting technology 3.316L Stainless steel, easy-welding and environmental friendly

Main Technical Data 

Rated voltage	kv	40.5
Rated current	A	1600/2000
Rated frequency	Hz	50
Rated short-time power frequency withstand voltage(1min)	kv	95
Rated lighting impulse withstand voltage	kv	185
Rated short-circuit breaking current	kA	25/31.5
Rated short-circuit making current(peak)	kA	63/80
Rated operations of short-circuit breaking current interruption	times	20
Rated single capacitor bank breaking current	A	400
Rated short-time withstand current	kA	25/31.5
Rated peak withstand current	kA	63/80
Rated duration of short-circuit	s	4
Mechanical life	times	10000
Contact closing force due to bellows and atmosphere	N	250±50
Counterforce at rated contact stroke	N	330±60
Circuit resistance at rated contact force	μΩ	≤25
Shelf life	years	20
Contact erosion limit	mm	3
Weight of moving parts	kg	≤4
Mechanical Data Required For Matched Vacuum Switchgear
Rated contact stroke	mm	22±2
Average opening speed	m/s	1.6±0.2
Average closing speed	m/s	0.75±0.2
Added contact force	N	3100±200
Contact bouncing duration at closing operation	ms	≤2
Contact bouncing bank amplitude of opening operation	ms	≤4
Three-pole simultaneity	ms	≤2

Note:Rated characteristics can be customised on requirment

Dimension Drawing:

Vacuum interrupter for contactor 40.5KV 1600A/2000A