KBMS-13BV-KB Switch – Variable Speed Fan Control Switch Description The KBMS-13BV-KB Switch is a professional-grade solid-state variable speed control designed for shaded pole, permanent split capacitor (PSC), and AC/DC motors. Commonly used to control blowers, fans, and air movers, this compact panel-mounted switch provides smooth, infinitely variable speed adjustment while replacing bulky rheostats, tapped windings, and other traditional speed control methods. Its simple wiring and durable construction make it an ideal replacement for restoration equipment, HVAC systems, and industrial ventilation applications. Key Features Solid-state variable speed control Compatible with shaded pole, PSC, and AC/DC motors Rated for 120 VAC operation Smooth, infinitely variable speed adjustment Compact panel-mount design Simple wiring for easy installation Durable construction for commercial and industrial use Ideal for fans, blowers, and ventilation equipment Package Includes (1) KBMS-13BV-KB Variable Speed Switch Mounting hardware Control knob Advantages Provides precise fan and blower speed control Replaces older rheostats and obsolete motor control methods Compact design fits easily into equipment control panels Reliable solid-state electronics reduce maintenance requirements Smooth operation helps optimize airflow while reducing energy consumption Ideal for air movers, restoration equipment, HVAC systems, ventilation equipment, industrial blowers, fan assemblies, and other professional motor speed control applications.