Page 35 - YINGMING POWER(HIGH VOLTAGE)

ZN85-40.5
INDOOR HIGH VOLTAGE
VACUUM CIRCUIT BREAKER YINGMING POWER

The main technical parameters

project unit Parameter
Rated voltage kV 40.5
Rated current A 1250 1600 2000、2500
Rated short-circuit breaking current kA 25 31.5 25 31.5
Dynamic stable current (peak value) kA 63 80 63 80
4S thermal stable current kA 25 31.5 25 31.5
Rated short-circuit making current (peak value) kA 63 80 63 80
Breaking times of rated short-circuit current Times 20
Rated operating sequence O-0.3 S-CO-180 s-CO
Rated insulation 1min power frequency withstand voltage kV 95
level Lightning impulse withstand voltage (peak value) 185
Mechanical life Times 10000
Rated single capacitor bank opening and current A 630
Rated back-to-back capacitor bank current A 400
Energy storage motor rated voltage V AC、DC： 110; 220
Rated power of energy storage motor W ≤ 230
Energy storage time of energy storage motor S ≤ 15
Rated voltage of closing and opening coil V Dc： 110; 220
Rated current of closing and opening coil A 1.05(110V) 0.96(220V)
Contact opening mm 18±1
Contact stroke mm 5±1
Three-phase combination of different periods ms ≤2
Bounce time of contact closing ms ≤3
Main circuit resistance (excluding wall contact) μΩ ≤ 60

Shape and installation size (mm)

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