Products Description
The KBWM™ Vari-Drive™ adjustable speed SCR control for DC motors offers proven reliability in a rugged all-metal NEMA-1 enclosure. The Vari-Drive™ are equipment with the ultimate KBMM™ speed control module. They are specifically designed for fractional horsepower permanent magnet (PM) DC motors. Two models are offered. The KBWM-120 is designed for 115 VAC input and is rated 1/100 – 1/3Hp at 90 VDC for motors rated 1/150 – 3/4 at 180 VDC use Model KBWM-240.

Standard Features
• Plug-in horsepower resistor® automatically calibrates IR comp and current limit
• AC line and armature fusing
• Rugged all-metal NEMA 1 enclosure
• AC line ON/OFF switch with “power on” indicator lamp
• patented KBMM™ speed control module prevents demagnetization of PM motors