1/50 to 1 HP, Voltage Output 90/180VDC, Input Voltage 120/240VAC, NEMA 4X Enclosure, Speed Range 100:1, Speed Regulation +/-1/2 RPM of Set Speed, Current/Torque Limit None, Accepts Tach Feedback Yes, Max. Amps 5, Dynamic Braking No, Linear Acceleration Adj., Linear Deceleration Adj., Power On Light No, Display Type LED, IR Compensation Closed-Loop, Follower Circuit Yes, Mount Type 1/8 DIN, Height (In.) 1.66, Depth (In.) 4.13, Width (In.) 3.62