The Phenix Model MTS50NVD is a step start AC/DC Test Set. The MTS50NVD is a combination AC/DC Motor Test Set specifically designed to provide economical testing capability for the smaller repair shop or for the small motor department of the larger shop. Designed and manufactured with the same attention to detail as our high-power sets, theMTS50NVDhas a tapped, non-variable output to start and run AC or DC motors. The maximum no-load testing capability of this model is approximately 300 HP.