The Elta 149-ODE3-12037 – 1KB1B is a robust IP66-rated inverter speed controller designed to regulate the speed of fan motors. It features a 0.37kW output capacity and handles 2.3 amps, converting single-phase input to three-phase output. This drive is suitable for a range of ventilation applications, offering precise motor control and energy efficiency. It includes a conformal coating as standard to protect internal components from dust and moisture, ensuring long-term reliability. Available in switched or non-switched versions, this controller supports installations requiring up to 7.5kW capacity across the full range.