STD250-FF1 Brushless DC Motor for FFU — 100 W, 220 VAC, Sensorless
STD250-FF1 is a 3-phase sensorless brushless DC motor made by Senter Motor for FFU and clean-air fans. With the Senter control board and its matched Ø470 mm impeller it draws 100 W at 930 rpm, accepts 175–265 VAC, and is speed-controlled by a 0–5 V DC signal with FG feedback. Available as motor only, control board only, or a complete motor + impeller + control board set.