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EVC5-7.2/12-160/250/400/630PDF
EVC5-7.2,12/160,250,400,630 series vacuum contactor is used in an AC. 50-60 Hz electric power system, with rated working voltage is 7.2Kv and 12kV, and rated current of 160A, 250A, 400A,630A, for direct or remote on-off control and circuit-breaking control of the of the main load. It is especially suitable for the frequently operated electric control applications such as electric motors, transformer, etc.
Working conditions
Technical Parameters
Item | Unit | Value | ||||||
Main circuit | Rated working voltage (Ue) | kV | 7.2 | 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 | Between phases, phase to earth | kV | 32 | 42 | ||||
Vacuum breaks | kV | 32 | 42 | |||||
Lightening impulse withstand voltage | kV | 60 | 75 | |||||
Control circuit | Rated voltage1 (Us) | V | AC or DC. 110/220 | |||||
Rated power (Ps) | Electric holding | VA | ≤1000/100 (absorbing/holding) | |||||
Mechanical holding | VA | ≤900/600 (closing/opening) | ||||||
Auxiliary circuit | Form | 3a+3b | ||||||
Rated value | AC380V/5A, DC380V/1A | |||||||
Control circuit, auxiliary circuit to earth power frequency withstand voltage | kV | 2 | ||||||
Rated operating frequency | Long-term or mechanical holding type | time/h | 300 | |||||
Short-term | time/h | 600 | ||||||
Mechanical endurance2 | 10000 times | 30 | ||||||
Electrical endurance | 10000 times | 10 | ||||||
Mechanical characteristics | Closing time | ms | ≤200 | |||||
Original opening time | ms | ≤160(electric holding) | ||||||
≤60(mechanical holding) | ||||||||
3-phase synchronism | ms | ≤3 | ||||||
Closing tripping | ms | ≤10 | ||||||
Note 1.Rated control voltage can be made according to customer’s requirements. | ||||||||
2.For mechanical holding type, the interlock mechanism should be changed every 300,000 times. |
Dimensions