250A Vacuum Contactor
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Product Details
250A Vacuum Contactor
Name | Unit | Value | ||||
Main circuit | Rated working voltage (Ue) | V | 1140 | |||
Rated working current (Ie) | A | 250 | ||||
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 | 3600 | ||||
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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