Tjernlund Products EF-12 Duct Fan 326058-756 This specific model is designed

This specific model is designed for 120 VAC (60 Hz) or 110 VAC (50 Hz) line power applications

providing the necessary torque boost during the initial startup phase while protecting the start windings from prolonged electrical stress

and the required ceramic insulator with bracketry for a complete field replacement

allowing the system to monitor door status and delay alarms to prevent nuisance alerts during normal entry and exit

Tjernlund Products EF-12 Duct Fan 326058-756 This specific model is designedThe Tjernlund Products EF 12 Duct Fan is a heavy duty 12 inch inline booster fan engineered for professional HVAC applications where airflow velocity is critical. Built with a 24 gauge galvanized steel housing, this axial fan is specifically designed to overcome static pressure in long duct runs, delivering a free air rating of 875 CFM. It features a 1 35 HP shaded pole motor operating at 1500 RPM, optimized for maintaining air movement in both 12"