The INV-EL-4 model is a frequency inverter switchboard for the management of 400V three-phase asynchronous motors developed by Cobofra. Through the buttons on the front of the panel, customized functions and/or parameterizations can be selected, such as: acceleration and deceleration ramps, min-max power adjustment and safety parameters. Multi-function LCD display for viewing: rated pressure, voltage, current, frequency, working hours, number of starts and alarm history log. MASTER-SLAVE operating mode where up to 4 boxes can be cascaded. Metal box with IP65 degree of protection, complete with general door lock disconnect switch.