... ,very low MTTR and high MTBF figures.Low price,excellent after- ... phase medium asynchronous motor,synchronous motor.2 AC voltage:2300,3300,4160,6600,10000/15000VAC+10%-15 ... %.3 Insulation voltage:Line voltage—4160v,6600v,10-15Kv.Insulation voltage—12500,19500,3000-4500V.4 ... work under any phase sequence.8 Instantaneous over-voltage protection:dv/dt absorption network.9 Bypass contactor ...