AC Motor Fan Speed Control

The KBWC Series is a comprehensive line of motor speed controls for air-moving applications that utilize Shaded Pole, Permanent Split Capacitor (PSC), and AC/DC motors. These economical speed controls are designed to replace obsolete, tapped winding, or reactive methods of speed control.

AC Drives

KB’s AC drives provide variable speed for 3ph AC Induction motors from 1/8 through to 10 horsepower. For OEM applications, custom drives are also available for Brushless DC, PMSM, PSC, and Shaded Pole motors. They are available in 115, 208/230, and 400/460 VAC – 50/60 Hz with 1ph and 3ph input.

DC Drives

KB standard off-the-shelf DC Drives provide variable speed for DC motors from sub-fractional to 5 horsepower. They are available in 115 and 208/230 VAC-50/60 Hz with 1Ø input. Enclosure types include Chassis / IP 20, NEMA 1 / IP 50 and NEMA 4X / IP 65.

Parts / Accessories

Control Peripheral

Various speed control accessories will allow KB AC/DC Drives to have more functions and better performance.