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EVC11-400 Vacuum contactor with ABB vacuum arc chamber

EVC11-400/7.2 EVC11-400/12
Name Unit Value Value
Main circuit Rated working voltage (Ue) kV 7.2 12
Rated working current (Ie) A 400 400
Rated frequency (fr) Hz 50~60 50~60
Rated making capacity A 10Ie (AC-4) 10Ie (AC-4)
Rated breaking capacity A 8Ie (AC-4) 8Ie (AC-4)
Rated short time withstand current A 10Ie 10Ie
Rated peak withstand current A 25Ie 25Ie
Rated short circuit duration s 4 4
Power frequency withstand voltage Wiring terminal to earth kV 32 42
Vacuum breaks kV 32 42
Lightening impulse withstand voltage kV 60 75
Closing time ms 45-65 45-65
Opening time ms 15-30 (mechanical) 25-40 (electrical) 15-30 (mechanical) 25-40 (electrical)
Control circuit Rated voltage (Us) V DC. 110/220 DC. 110/220
Rated power (Ps) electric holding VA ≤1000/100 (absorbing/holding) ≤1000/100 (absorbing/holding)
Auxiliary circuit Form 3a+3b 3a+3b
Rated value AC 380V/5A, AC 380V/5A,
DC 380V/1A DC 380V/1A
Control circuit, auxiliary circuit to earth power frequency withstand voltage kV 2 2
Rated operating frequency Long-term time/h 300 300
Short-term time/h 600 600
Mechanical endurance 10000 times 100 100
Electrical endurance 10000 times 10 10
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