Shenzhen POWTRAN Technology Co., Ltd.
variable speed drive, adjustable frequency drive
PI7550 variable speed drive (VSD, adjustable speed drive) is with novel structure design.
Applications for this series variable frequency drive, adjustable speed drive (ASD):
mechanics, electronics, metallurgy, mining, petrochemical, transportation, building materials, municipal, metal processing, textile, printing and dyeing, paper making, Injection machine, central air conditioning, numerical control machine tool, air-compressor, fan and pump, blower, air conditioner for large buildings; wastewater treatment system; water supply system for large buildings; public water supply system and other industries and fields.
Remark: ceased to produce now.
For our current products, just visit our V/Hz control frequency inverter (AC drive, variable speed drive, VSD), or vector control frequency inverter (variable speed drive, VSD, AC drive).
visit for more information of & "variable speed drive, adjustable frequency drive"