Vacuum Circuit-Breaker 36kV f.120.000 mech.operating cycles pole-centre distance 350mm 31.5kA 1250A operatg.mechanis.EK secondary equipment: operating cycle counter breaker tripping signal 2 position switches for signal: "closing spring charged" closing solenoid with varistor circuitry in the secundary circuit 2 shunt releases undervoltage release voltage of closing solenoid AC 230V voltage of 1st shunt release AC 230V voltage of 2nd shunt release AC 230V voltage of 3rd shunt release AC 230V voltage of operating mechanism AC 230V auxiliary switch 6NO+6NC secondary connection 64-pole plug connector mechanical interlocking rating plate and instructions in german, frequency of secondary voltage 50Hz