220V 4000W Motor Speed Controller Electric Router Exhaust Fan Grinder Drill Variable Voltage Regulator Switch LED Display 10A Voltage Speed Regulator Fan Stepless Speed Control Switch Angle Grinder Speed Controller Forhand Electric Drill Polishing Machine Features: * Wide Application: The speed controller can regulate speed, temperature, voltage and light, widely used in exhaust fans, tungsten filament bulbs, electric furnaces, angle grinders, marble machines, blowers, Note: It can't be used in electrical appliances with circuit boards and capacitance electronic components, such as microwave ovens, induction cookers, rice cookers, water pump, washing machines, LED energy-saving lights etc. * High Quality Material: The variable speed controller uses high-quality ABS plastic insulated flame-retardant shell, which is not discolored, deformed, cracked, high temperature resistant, The internal fittings are made of thickened phosphor bronze, which is safe and reliable in quality and has a longer service life. * High Precision Display: The fan speed control switch adopts precision pressure regulating knob for voltage regulation, with high accuracy and good stability, Control accuracy can reach 1 volt, Through the digital display screen, you can accurately understand the working voltage of the machine, LED light makes the real-time voltage number clearer. * Overload and Overvoltage Protection: The variable speed fan controller is equipped with an independent switch to control voltage, with overload and short circuit protection function, When the instantaneous current exceeds 15 amperes, the switch will automatically power off, thus protecting the controller, You can also judge the working status of the switch through the indicator light. * Back Hook Design: In order to facilitate the operation of the angle grinder, we specially designed a hook on the back of the governor, through which you can hang the governor on the tool bag of the tool kit, which is convenient to carry and more convenient to use, plug and play, simple and practical. Specification: Name: Voltage Speed Regulator Input voltage: AC110V~250V Output voltage: AC0-220V/110Vadjustable Maximum power: 4000W (load power 2000W) Maximum current: 10A Size: 120*65*55mm 3-Gear Stepless Variable Speed Knob Green - 0~40% - Low Yellow - 41~70% - Mid Red - 71~99.9% - High P acking included: 1 * Voltage Speed Regulator Please note: The maximum rated power of the product is 4000W, and the resistive power is within 2000W. The inductive power is around 1000W, and any motor that supports voltage reduction and speed regulation can be adjusted. Please do not use motors with power excee ding this limit, otherwise they will not be able to be used!!! Note : 1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. _x000D_