FAQ Site Map Search

FD70 Reduced voltage - WYE DELTA (star-Delta) OPEN

The FD70 LMR controllers use a method of connecting the pump motor windings into wye configuration to start, then switching to a delta configuration to run. 
This reduces the starting current of the motor significantly. 
Wye-Delta starting is the only method that has a starting torque efficiency of 100%.

Product Files

Contra International Copyright © 2021