AUControls  MADE IN USA.
DC Motor Speed Control.
Model ASC2-1. 
Industrial duty, Efficient, Reliable, Durable.
Open chassis for: 1 HP DC Motor. 
Input Voltage: 208~240 VAC. 
Output Voltage: 0 ~ 180 Volts DC / 6 Amps. Field: 100/200 VDC @ 1 Amp.
Feedback: Armature.
Dimensions: 4" X 4" X 1.5"
1 Year Warranty.