Siemens Building Technology 331-2988 Actuator 321702-401 which pins more stress on

which pins more stress on the motor windings

You should verify the cabinet dimensions and mounting hole patterns against your specific model number to ensure it clears the header pipes and service valves

Versatile 6-Terminal Design: Allows for secure and flexible electrical staging and connections

reducing unnecessary downtime

Operating at 230V and 40W

Siemens Building Technology 331-2988 Actuator 321702-401 which pins more stress onThe Siemens 331 2988 No. 6 Pneumatic Damper Actuator is a heavy duty, rolling diaphragm drive engineered for gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and multi section air handling units. This high temperature pneumatic actuator features an 8 to 13 psi nominal spring range and a 4 inch stroke, providing the mechanical force necessary for large scale HVAC automation. Utilizing an ozone resistant silicone