Vacuum Contactor 3TM three-pole rated voltage (Ur) 12kV (BIL 75kV / PFWV 28kV) rated normal current (Ir) 450A rated short-circuit breaking current (Isc), 1s (unfused) 5kA controller standard version operating voltage for magnet "coil 220- 250 V DC / 230-240 V AC without lachting delatching system not retrofittable pole-center distance 120mm additional closing time 0ms No additional closing time release voltage without delatching system auxiliary cont./terminal strip 6NO+6NC operating manual (english)