Vacuum Circuit-Breaker, SION 3AE5, 12kV, 31.5kA, 2000A, pole-center distance 210mm, Vertical Distance between Terminals 310mm, secondary equipment: operating cycle counter 2 position switches for signal closing spring charged closing solenoid 1st. and 2nd. shunt releases voltage of closing solenoid DC 220V voltage of 1st release DC 220V voltage of 2nd release DC 220V Circuit-Breaker on withdrawable part, with contact arms and contacts voltage of drive motor DC 220V mechanical interlocking auxiliary switch 12NO+12NC breaker tripping signal secondary connection 64pole plug connector rating plate and operating instructions in english system frequency 50Hz routine test certificate provided hand crank for circuit-breaker handle for withdrawable part