Asynchronous crane electric motor MTH 311-8 (MTF 311-8) wound rotor is intended to drive a variety of material handling and apparatus used in manufacturing crane beams, bridge and tower cranes, mobile cranes, metallurgical industries. The main brief characteristics: Insulation: H, F ; power of Ind.Fan 40%: 7.5 kw; speed: 715 rpm; degree of protection: IP 54; mass: 180 kg .
Electric wound rotor can be marked as follows : MTF, MTH, DMTF, DMTH, 4MT, 4MTM and are used interchangeably.