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| Name | Unit | Value | ||||
| Main circuit | Rated working voltage (Ue) | V | 1140 | |||
| Rated working current (Ie) | A | 400 | ||||
| Rated frequency (fr) | Hz | 50~60 | ||||
| Rated making capacity | A | 12Ie (AC-4) | ||||
| Rated breaking capacity | A | 10Ie (AC-4) | ||||
| Withstand overload current capacity/s | A/s | 8Ie/10 | ||||
| Power frequency withstand voltage | Between phases, phase to earth | kV | 4.2 | |||
| Vacuum breaks | kV | 10 | ||||
| Lightening impulse withstand voltage | kV | 8 | ||||
| Control circuit | Rated voltage (Us) | V | 220 | |||
| Rated power (Ps)electric holding | VA | ≤600/50 (absorbing/holding) | ||||
| Auxiliary circuit | Form | 4a+3b | ||||
| Rated value | AC 380V/5A | |||||
| Control circuit, auxiliary circuit to earth power frequency withstand voltage | kV | 2 | ||||
| Rated operating frequency | Long-term | time/h | 600(AC-3), 300(AC-4) | |||
| Short-term | time/h | 2000 | ||||
| Mechanical endurance | 10000 times | 30 | ||||
| Electrical endurance | 10000 times | 6 | ||||
| Mechanical characteristics | Closing time | ms | ≤200 | |||
| Original opening time | ms | ≤160 | ||||
| 3-phase synchronism | ms | ≤3 | ||||
| Closing tripping | ms | ≤10 | ||||
| Note: Rated control voltage can be made according to customer’s requirements. | ||||||
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