Electronic speed variator for speed variation of universal manifold motors (with charcoals) [Drills, Grinders, etc.] Maintains constant torque even at low motor speed Alim. 220V/50Hz - 1000 W - Size: 13 x 8.5 x 6.5 cm NOTES : PROLONGED USE AT LOW RPM MAY OVERHEAT THE MOTORS FEATURES: Watertight plastic case - 1.3 m power cord with Sicury socket - fuse with indicator light - Adjustment potentiometer - Bipolar socket + ground for output