Siemens Building Technology 331-4811 Actuator 319852-301 Utilizing electronically commutated motor technology

Utilizing electronically commutated motor technology

Enhanced Safety Standards: Features positive dead-end lock-up to ensure a tight shut-off when appliances are not in operation

maintaining stroke accuracy and seat pressure even under high differential pressure conditions

As a fundamental component for resolving ignition failure or pressure switch errors

eliminating the need for step-down transformers in specific commercial Carrier and Bryant packages

Siemens Building Technology 331-4811 Actuator 319852-301 Utilizing electronically commutated motor technologyFor veteran technicians managing air handler units and mixing boxes, the Siemens 331 4811 represents the industry standard for pneumatic reliability. This No. 3 Pneumatic Damper Actuator is engineered with a rugged, all metal body designed to withstand the harsh environments of mechanical rooms. Operating on a nominal 8 to 13 psi spring range, this unit provides precise, gradual, or positive actuation of HVAC dampers and air valves. The 331 4811