The Elta 149-ODE3-12075 – 1KB1B is a weatherproof IP66 inverter speed controller designed for controlling three-phase fan motors from a single-phase power supply. It delivers 0.75kW output with a current rating of 2.2 amps, providing efficient and accurate motor speed regulation. Built with a conformal coating for enhanced protection against moisture and contaminants, it ensures reliability in demanding environments. Suitable for various HVAC applications, this controller is available in both switched and non-switched models and supports motor control solutions up to 7.5kW.