Siemens Building Technology 331-3012 322838-752 the Browning VF2S-212AH ball bearing

the Browning VF2S-212AH ball bearing is a robust

it covers a wide span from -70 to 150 degrees Fahrenheit

using a generic part may compromise the compressor life cycle

The unit is thermally protected to prevent winding failure during high-ambient operation

3 series ECM

Siemens Building Technology 331-3012 322838-752 the Browning VF2S-212AH ball bearingThe Siemens 331 3012 is a heavy duty #6 pneumatic damper actuator designed for high torque applications in commercial HVAC systems. This spring return actuator features a 4 inch stroke and a nominal 3 8 psi spring range, making it an ideal choice for the gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and fire smoke dampers. Built with a rugged, metal fabricated housing and a 17. 9 sq. in. effective diaphragm area,