Exhibiting a 20:1 speed range with maximum output of 90 V, Bison Gear & Engineering’s TightDrive speed control can be field mounted on Bison permanent magnet DC (PMDC) gearmotors up to 1/6 hp (124 W) in 90° increments. Speed is controlled via a combination on/off switch and speed potentiometer, and 3 adjustable potentiometers provide settings for minimum RPM, maximum RPM, and current limiting. The control is designed for 115-V 50/60-Hz operation and comes with a 3-ft power cord and NEMA 5-15P plug. The product is housed in an aluminum extrusion with NEMA 1 (IP 30) protection and heat dissipation.
Bison Gear & Engineering