Vacuum interrupter(VI) for contactor is mainly used to frequently connect and cut off the normal working current.This series of vacuum interruper adopt ceramic insulating envelope and Cu(W+WC) contact materials with low chopping value.This kind of product has the features of reliable performance,long life ,and small size,etc. Contactor matched with it has the advantages of simple maintenance,no risk of explosion,no pollution and low noise,etc.,and it can be widely used in the electric power,mechanical,metallurgical,chemical and mine department,etc.,to control the transmission and distribution system.It is especially suitable for frequent operation of cutting off inductive load and used in the places where it is operated frequently.
FAQ
Q: What's your main products?
A: Vacuum Interrupters, Vacuum Switchgear,High voltage electrical apparatus, including Vacuum Circuit Breaker, Load Switch,etc. Low voltage electrical Apparatus,etc.
Q: Do you have a catalogue? Could you send me your catalogue?
A: Yes, we have catalogues.Please contact us, we can send you product catalogue online with PDF files.
Q: Can I get some samples?
A: Yes, sample order is available for quality check and market test.
Technical Parameters
| MAIN TECHNICAL DATA | ||
| Data | Unit | Value |
| Rated Frequency | Hz | 50 |
| Rated Voltage | kV | 38 |
| Rated Short-duration Withstand Voltage(1min) | kV | 70 |
| Rated Lightning Impulse Withstand Voltage | kV | 170 |
| Rated Current | A | 200 |
| Circuit Resistance at the Lowest Rated Contact Force | μΩ | ≤25 |
| Rated Short-circuit Breaking Current | kA | 2 |
| Rated Short-circuit Breaking Current Breaking Times | Times | 30 |
| Rated Short-duration Withstand Current | kA | 2 |
| Rated Duration of Short-circuit | s | 4 |
| Rated Peak Withstand Current | kA | 2 |
| Rated Short-circuit Making Current | kA | 2 |
| Rated Operaing Sequence | O-0.3s-CO-180s-CO | |
| Contact Stroke | mm | 16±1 |
| Contact Closing Force | N | 80±30 |
| Force Required to hold contacts open at full stroke | N | 130±40 |
| Average Opening Speed (first 75% stroke) | m/s | 1.4±0.2 |
| Average Closing Speed (last 30% stroke) | m/s | 0.8±0.2 |
| Rated Contact Force | N | 1900±100 |
| Contact Force at the Touch Point | N | 1300±100 |
| Contact Closing Bouncing Duration | ms | ≤2 |
| Contact Opening and Closing Non-simultaneity | ms | ≤1 |
| Contact Opening Rebound Amplitude | mm | ≤2 |
| Storage Life | Years | 20 |
| Mechanical Endurance | Times | 10000 |
| Contact Erosion Limit | mm | 3 |
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