Input Voltage 115/230 Volts AC 60hz
1/8HP to 1HP @ 115 volts
1/4HP to 2HP @ 230 Volts
NEMA 1 Enclosure; Dimension 6" x 8"
Heat sink # 174316 required for Leeson DC Speed Control for motors: 3/4hp & 1hp 115v; 1.5hp & 2hp 230v. Mounts to back of DC control. One Year Manufacture Warranty