![Speed Controllers and Inverters Speed Controllers and Inverters](https://media.copeland.com/25cc6790-7a5a-4aa4-835c-b15c0173502b/Fan-Speed-Controllers-header_4%3a3.jpg?width=1200)
Fan Speed Controllers
Precise, reliable control of condenser fan motors
Products
![Metal HVAC ventilation fan Metal HVAC ventilation fan](https://media.copeland.com/45e78436-6169-4db1-a6d5-b15c0172e86b/Single-phase-Fan-Speed-Management-intro_2%3a1.jpg?width=1200)
Single-phase Fan Speed Management
Cut phase controllers designed for 1-ph A.C. motors up to 5000W
![Three phase Fan Speed Management Three phase Fan Speed Management](https://media.copeland.com/85f3f3e9-d012-44fc-bf92-b15c0172ec78/Three-phase-Fan-Speed-Management-intro_2%3a1.jpg?width=1200)
Three-phase Fan Speed Management
Cut phase controllers in master or slave version designed for adjustable voltage 3-ph motors from 8A to 60A