Siemens Building Technology 331-4811 Actuator 319852-301 eliminating the need for step-down

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

Enhanced Durability: Resin-molded construction provides superior resistance to mechanical vibration and temperature fluctuations

preventing the nuisance trips often associated with substandard universal alternatives

Upgraded Durability: As the B1755917HDF revision

Utilizing electronically commutated motor technology

Siemens Building Technology 331-4811 Actuator 319852-301 eliminating the need for step-downFor 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