Is Negotiable
They are designed to remote control of the switching on and off of three-phase asynchronous squirrel-cage induction motors operated in three-phase alternating current networks with a frequency of 50 Hz with an isolated neutral of the transformer in coal mines dangerous for gas (methane) and coal dust as well as for protection against short-circuit currents and overload in the outgoing power circuits.
Is Negotiable
Is Negotiable
Is Negotiable