AUcontrols.

Made in USA.

Speed Control for 1/2 HP-90V DC Motors. 

Model: ASC1-0.5. Open Chassis. 

Input Voltage: 110-130 VAC, 

Output Voltage: 90 V DC, 6 Amps. 
Field Voltage: 100 / 50 V DC, 1Amp.
Feedback: Armature / Tachogenerator. 
Control dimension: 4" x 4" x 1.25"
1 Year Warranty under normal operations conditions.