Siemens GMA121.1U OpenAir GMA Spring Return 62 lb-in Rotary Elec Damper Actuator [New]

Operating Voltage: 24VAC +/- 20%, 24VDC +/- 15%. Control: 2 Position. Cables: Standard. Built-In Control Options: None. . The OpenAir direct-coupled spring return electronic actuator is designed for modulating, two-position, and floating control of building HVAC dampers. FEATURES: Brushless DC motor technology with stall protection. Bi-directional fail-safe spring return. Models available with dual, independently adjustable auxiliary switches. Unique self-centering shaft coupling. Manual override. Available in 62 lb-in torque. 5?é?? preload as shipped from factory. Mechanical range adjustment capabilities. UL and cUL listed, CE certified. 24 Vac/dc compatible. APPLICATIONS: Used in constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers requiring up to 62 lb-in (7 Nm) torque. Designed for applications that require the damper to return to a fail-safe position when there is a power failure.. Siemens. Siemens. GMA121.1U.