What is the difference between AF40-30-00-11 and the older A40 series

If cycling the 120V power does not clear this state

protecting the internal wheel from housing contact

and NR series actuators for flexible torque options

5-inch diameter motors

Honeywell M7284C1000 Motor 322838-752 What is the difference betweenThe Honeywell M7284C1000 is a high torque, non spring return Modutrol IV Motor designed for precise proportional positioning of dampers and valves in commercial HVACR and burner systems. Operating on a 120V supply, this heavy duty actuator responds to a 4 20mA control signal, making it a standard choice for modulating fuel air ratios or regulating airflow in large scale air handling units. This model replaces several legacy series, including the M744