Honeywell M6294D1008-S/U NSR Actuator. Honeywell M6294D1008-S Foot Mounted Actuator. These Series 62 Modutrol IV Motors non-spring return Floating control motors are used with controllers that provide a switched spdt or Floating output to operate dampers or Valves. These motors also have an internal electrically isolated feedback potentiometer that provides indication of the motor shaft Position. Some models can be used for slaving Series 90 Motors.