Audited Supplier
Auxiliary substations vacuum arc-quenching chambers for indoor VTD33812
Product 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 | 630/1250 |
| Rated frequency | Hz | 50 |
| Rated short-time power frequency withstand voltage(1min) | kv | 42 |
| Rated lighting impulse withstand voltage | kv | 85 |
| Rated short-cricuit breaking current | kA | 25 |
| Rated short-circuit breaking current (peak) | kA | 63 |
| Rated opreations of short-circuite breaking current interruption | times | 30 |
| Rated single capacitor bank breaking current | A | 630 |
| Rated short-time withstand current | kA | 25 |
| Rated duration of short-circuit | s | 4 |
| Mechanical life | times | 10000 |
| Rated peak withstand current | kA | 63 |
| Contact closing force due to bellows and atmosphere | N | 250±50 |
| Counterforce at rated contact stroke | N | 330±60 |
| Circuit resistance at rated contact atmosphere force | μΩ | ≤15 |
| Shelf life | years | 20 |
| Contact erosion limit | mm | 3 |
| Weight of moving parts | kg | ≤2.7 |
| Mechanical Data Required For Matched Vacuum Switchgear | ||
| Average opening speed | m/s | 1.1±0.2 |
| Average closing speed | m/s | 0.7±0.2 |
| Added contact force | N | 4500/5500±200 |
| C0ontact bouncing duration at closing operation | ms | ≤2 |
| Contact bouncing bank amplitude of opening operation | mm | ≤2 |
| Three-pole simultaneity | ms | ≤1 |
| Note:Rated characteristics can be given on requirments. | ||
Company website: http://www.vtdq.vip
Contact person:Willow Chen
Professional, Creative, Good quality and Excellent service
Welcome your inquiry, Welcome our cooperation!
