Check the listing for details. KB Electronic KBMC-13BV Variable-Solid-State-Speed/Fader-Control AC/DC. Condition: New. Listed at 19.95 USD. O. The KBMC-13BV is a NEW panel mounted Solid State AC/DC Speed Control. It operates from 115 VAC, 50/60 Hz and has a maximum rating of 2.5 Amps @ 25ºC. The KBMC-13B provides INFINITELY VARIABLE SPEED CONTROL for Shaded Pole, Permanent Split Capacitor and Universal (AC/DC) motors. The control contains an on/off line switch, a high gain RFI noise suppression filter and a minimum speed trim pot. (Size: 2"L x 1 3/4"W x 1"D) Designed to replace obsolete tapped windings, chokes, rheostats, and other methods which are currently being used to obtain speed variations. Installation instructions included. Applications include: Lighting, Range Hoods, Vibrators, Humidifiers, Fireplace and Stove blowers, Fans, Laminar Flow hoods, Solar air, Heat tunnels and Stirrers just to name a few of the uses. Hundreds of uses when you need variable control. These are NEW QUALITY CONTROLS !!! Thousand of Satisfied Customers check my feedback!