St. Charles, IL — Bison Gear’s new TightDrive™ speed control for permanent magnet DC (PMDC) motors was designed for applications that require a convenient location for the control … on the motor. The majority of PMDC gearmotors and motors used in industry today require speed controls in order to operate. Typically, the control is wired to the motor through a costly, complicated cable system and the motor and control can be many steps away from each other. Bison’s voice of the customer research brought forth the need for a convenient “point of use” motor speed control that was robust for industrial environments, while offering practical features and exceptional value.
Bison Gear & Engineering’s new TightDrive™ motor-mounted speed control can be easily field mounted on Bison PMDC gearmotors up to 1/6 horsepower (124 watts) and offers a 20:1 speed range with maximum output of 90 Volts. The TightDrive™ is housed in a durable aluminum extrusion which offers NEMA 1 (IP 30) protection and superior heat dissipation. Speed is controlled with a combination on/off switch and speed potentiometer. In addition, three easily accessible adjustable potentiometers provide settings for minimum RPM, maximum RPM, and current limiting. The simple, yet innovative, SCR control architecture also provides much tighter speed regulation than alternative controls.
The TightDrive™ is designed for 115 volt 50/60 Hz operation and comes complete with three foot power cord and NEMA 5-15P plug. Users can mount the drive directly to the motor in 90° increments to optimize position of cord exit and motor leads. The new TightDrive™ speed controls are available for immediate shipment from Bison’s distribution network or direct from the Bison Gear web site.
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