





6Inverter device for motor speed control New, unused Uses The main uses of the inverter device (Variable Frequency Drive - VFD such as Emerson Unidrive M400) are: ⸻ 📌 1. Controlling the speed of electric motors • Smooth starting and stopping of motors without electrical or mechanical shocks. • Adjusting motor speed (increase/decrease) according to operational requirements. ⸻ 📌 2. Energy saving • Reducing electricity consumption especially in: • Pumps • Fans • HVAC systems (Heating, Ventilation, and Air Conditioning) ⸻ 📌 3. Performance and productivity improvement • Controlling torque during startup. • Enhancing operation quality in production lines and conveyor belts. ⸻ 📌 4. Protection • Protecting motors from: • High starting currents. • Overload conditions. • Sudden voltage drops or spikes. ⸻ 📌 5. Industrial and commercial applications • Elevators and cranes. • Production lines. • Packaging and printing machines. • Water pumping and drainage systems. • Heavy industries such as mining, iron, and steel. ⸻ In short: The device is used to control the speed, torque, and direction of electric motors to improve efficiency, save energy, and provide protection
