Belimo LF24-SR-E US : Spring Return Damper Actuator, 24VAC/DC, 35 in-lb, 2-10VDC (4-20mA) Proportional Control Input, Built-In Minimum Position Potentiometer, 150 Second Run Time, <25 Second Spring Return, Damper Area up to 8.8 Sq.Ft., 5-Year Warranty
