221 lb-in (20 Nm) Non-Spring Return Damper Actuators

The DA-221N Series of direct-coupled 24 Vac Non-spring Return Electronic Actuators are designed for modulating and floating control of building HVAC dampers
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  • Applications

    • Constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers that require up to 221 lb.-in. (20 Nm) torque.


    • Self-centering shaft coupling
    • Brushless motor technology with stall protection
    • Rugged all metal housing
    • Quiet, low-power operation
    • Manual override
    • Assembled in the U.S.A.
    • UL, cUL and CE listed
    • Modulating actuators contain built-in feedback
    • Accepts shaft diameters up to 1” (25 mm)
  • DA-221N Series

    2017-09-25 16:29:41 | pdf | 518,6 KB