Ensure the sensor is clean and the grounding circuit is continuous to prevent nuisance lockouts after installation

As a critical component in building automation controls

the 496 series delivers the flow capacity typically reserved for larger 6-inch diaphragm models within a more compact footprint

it offers flexible mounting options and is compatible with standard PTF08A-E relay sockets

Siemens Building Technology 331-3011 Actuator 321894-709 Ensure the sensor is cleanThe Siemens 331 3011 is a high performance No. 6 pneumatic damper actuator designed for heavy duty HVACR applications requiring high torque and precise control. This spring return pneumatic actuator features a rugged metal fabricated body and is UL recognized for use on fire dampers and leakage rated dampers, ensuring reliability in critical air handling systems. With a nominal 8 13 psi spring range and a standard 4 inch stroke, it provides gradual or