EVC7-12KV-160/250/400/630A High altitude MV Vacuum Contactor
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Product Details
EVC7-12KV-160/250/400/630A High altitude MV Vacuum Contactor
| Name | Unit | Value | |||||
| Main circuit | Rated working voltage (Ue) | kV | 12 | ||||
| Rated working current (Ie) | A | 160,250,400,630 | |||||
| Rated frequency (fr) | Hz | 50~60 | |||||
| Rated making capacity | A | 10Ie（AC-4） | |||||
| Rated breaking capacity | A | 8Ie（AC-4） | |||||
| Rated short time withstand current | A | 10Ie | |||||
| Rated peak withstand current | A | 25Ie | |||||
| Rated short circuit duration | s | 4 | |||||
| Power frequency withstand voltage | Wiring terminal to earth | kV | 42 | ||||
| Vacuum breaks | kV | 42 | |||||
| Lightening impulse withstand voltage | kV | 75 | |||||
| Control circuit | Rated voltage (Us) | V | AC or DC. 110/220 | ||||
| Rated power (Ps)electric holding | Electric holding | VA | ≤1000/100 (absorbing/holding) | ||||
| Mechanical holding | VA | ≤900/600 (absorbing/holding) | |||||
| Auxiliary circuit | Form | 3a 2b | |||||
| Rated value | AC 380V/10A, | ||||||
| DC 380V/2A | |||||||
| Control circuit, auxiliary circuit to earth power frequency withstand voltage | kV | 2 | |||||
| Rated operating frequency | Long-term | time/h | 300 | ||||
| Short-term | time/h | 600 | |||||
| Mechanical endurance | 10000 times | 30 | |||||
| Electrical endurance | 10000 times | 10 | |||||
| Mechanical characteristics | Closing time | ms | ≤200 | ||||
| Original opening time | ms | ≤160 | |||||
| 3-phase synchronism | ms | ≤3 | |||||
| Closing tripping | ms | ≤15 | |||||
| Remark: rated control voltage can be made according to customer’s requirements. | |||||||
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