Dust-ignition-proof construction thyristor activate device for soft start the indaction machine formaine equipment (UPTV-400R)

It Is Designed electric drive with thyyistor converter for soft start the induction machine. The Design feature is dust-ignition-proof performance and use supplying network with insulated midpoint conductor and level of the voltage 1140 V. Electric drive are combined with system of protection to mine electric network, including with system checking to insulation. Happen to the main features.