HongMa Motor Co. Ltd
HM series motor is able to properly run under overload conditions thanks to a high thermal reserve; the insulating materials are class F as standard (Class H on request).
The efficiency standard is EFF2 or EFF1 (on request).
HM series motors are suitable to be supplied by inverter.
The motor is provided with a top insulation system between windings, high level rotor balancing and double rubber screen bearings.
The frame is made of aluminum alloy up to 132 frame size and of cast iron for bigger sizes.
Shields and flanges are made of aluminum up to 90 frame size and of cast iron up to 225 frame size.
HM series motors are provided with an hexagonal hole at the N-Drive end in order to allow a manual shaft rotation with an Allen key.
