vacuum interrupter for outdoor circuit breaker ZKTD 630/12 20(VTD3141PD)

Product Overview

Description

Company advantages:
1.professtional in producing vacuum interrupters from 1.14~40.5KV of more than 100 types
2.Professional experts and technicians
3.strict quality controll system and got 18 national patents

4. enjoys tax preferential policy as a hi-tech enterprise Product advantages:

 

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

 4.Good quality &competive price

 

Main Technical Data:

 

 

low and high voltage ceramic vacuum interrupter for contactor
Main Technical Data
Rated voltage	kv	12
Rated current	A	630
Rated frequency	Hz	50
Rated short-time power frequency withstand voltage(1min)	kv	42
Rated lighting impulse withstand voltage	kv	75
Rated short-cricuit breaking current	kA	12.5/16/20
Rated short-circuit breaking current (peak)	kA	31.5/40/50
Rated opreations of short-circuite breaking current interruption	times	30
Rated single capacitor bank breaking current	A	400
Rated short-time withstand current	kA	12.5/16/20
Rated duration of short-circuit	s	4
Mechanical life	times	10000
Rated peak withstand current	times	31.5/40/50
Contact closing force due to bellows and atmosphere	N	70±40
Counterforce at rated contact stroke	N	120±50
Circuit resistance at rated contact atmosphere force	μΩ	≤20
Shelf life	years	20
Contact erosion limit	mm	3
Weight of moving parts	kg	≤0.7
Mechanical Data Required For Matched Vacuum Switchgear
Average opening speed	m/s	1.0±0.25
Average closing speed	m/s	0.65±0.15
Added contact force	N	900/1300/1600±100
C0ontact bouncing duration at closing operation	ms	≤2
Contact bouncing bank amplitude of opening operation	mm	≤2
Three-pole simultaneity	ms	≤0.7
Note:Rated characteristics can be given on requirments.

 

 

 

Dimension Drawing:

 

 

 

 

 

Company introduction:  

Workshop and testing room

 

 

 

Packages:

 

 

 

 

Certification:

 

 

 

 

Company website: //www.vtdq.com.cn/

 

 

Professional, Creative, Good quality and Excellent service

 

 

 

Welcome your inquiry, Welcome our cooperation!