The Elta 149-POT-10-TB is a versatile remote speed controller designed for EC (electronically commutated) fans. Operating on a 0 – 10V signal, it ensures accurate speed control and is suitable for integration with Variable Frequency Drives (VFDs). This controller features both a minimum speed preset for maintaining consistent airflow and a trickle/boost switch for two-speed fan operation. Ideal for energy-efficient ventilation systems requiring responsive and customizable control.