Texas Belting & Supply stocks 4 WCD Series – NEMA 4 - WDFC - variable frequency drives that control AC motor speed and torque - saving energy on fan and pump loads and softening starts to cut mechanical wear. Chassis and enclosed options cover panel builds and standalone installs. Available, with in-stock items that typically ship same-day. Call (888) 203-2358 for sizing help.
Common Applications
- Variable-speed fans, pumps, and blowers
- Conveyor and material-handling speed control
- Energy savings on centrifugal loads
- Soft start/stop to reduce mechanical stress
Frequently Asked Questions
How do I size a VFD to my motor?
Match the drive to the motor's full-load amps and voltage - not just HP. Oversized loads or high starting torque may need a larger drive.
Chassis or enclosed drive?
Chassis (open) drives mount inside your panel; enclosed (NEMA 1/12/3R/4) drives are ready to hang on a wall or run outdoors.
Will a VFD save energy?
On variable-torque loads like fans and pumps, slowing the motor cuts energy dramatically (roughly the cube of speed) - usually the biggest ROI in the plant.
Selection help: VFD + motor pairing guide · Motor controls hub
Need help selecting WCD Series – NEMA 4 - WDFC?
Our Houston team will spec it with you.
Call (888) 203-2358
