Uniquely higher technical threshold inner-rotor Permanent Magnet Synchronous Motor(PMSM) design leading the industry at least 3 years in advance, zero maintenance and natural cooling with outstanding features below:

  1. Light weight and compact size requesting only 525mm installation clearance instead of gearbox type 1300mm clearance, see installation conditions.
  2.  Zero maintenance with higher technical threshold inner-rotor design PMSM unit by natural cooling upon the stable temperature rise , no extra cooling involvement.
  3.  Extraordinary silent operation to be less than 39dB instead of gearbox type normally more than 58dB.
  4.  More applications with IP64 protection grade for indoor & outdoor installation.
  5.  Nice looking with aluminum die casting cooling fins as well firm connections between hub system and blades.
  6.  Secured guy wire hook integrating with the PMSM body for easy installation and rest assured safety.
Suntech Gearless PMSM Fan