The Elta 149-POT-10-MI is a remote speed controller specifically designed for use with EC (electronically commutated) fans. Operating within 0 – 10V control circuits, it offers precise fan speed regulation and is fully compatible with Variable Frequency Drives (VFDs). This controller is available in versions with a minimum speed preset for consistent airflow management, as well as models featuring a trickle/boost switch for dual-speed operation. Ideal for ventilation systems requiring flexible and efficient control solutions.