What does NOrmalt Duty Vs Heavy Duty mean for VFD application?
, by Daniel Rehe, 1 min reading time
Normal Duty VFDs are for Variable Torque Applications such as centrifugal pumps, fans, or screw compressors
Normal Duty VFDs are for Variable Torque Applications such as centrifugal pumps, fans, or screw compressors. Heavy Duty VFDs are for Constant Torque applications. A constant torque application is any motor application where the motor can start with a load on its process.