Speed Controllers and Inverters

Fan Speed Controllers

Precise, reliable control of condenser fan motors 
Products
Metal HVAC ventilation fan

Single-phase Fan Speed Management

Cut phase controllers designed for 1-ph A.C. motors up to 2200W 


Three phase Fan Speed Management

Three-phase Fan Speed Management

Cut phase controllers in master or slave version designed for adjustable voltage 3-ph motors from 8A to 60A 


FSY

FSY / FSM

Compact pressure-actuated fan speed control 


FSE

FSE

Reliable fan speed control in high-efficient EC fans