Product Description
Operating Voltage: 24 Vac, +20%, -15%. Control: Floating. Cables: Plenum. Built In Controls: None. Actuator Only - Ball Valve and Adapter Not Included. OpenAir GLB Series, Non-spring Return, 24 Vac, 88 lb-in, Direct-Coupled Electronic Damper Actuators - The OpenAir non-spring return, direct-coupled, electronic damper actuators provide modulating and floating control of building HVAC dampers. FEATURES: Compact, lightweight design. Models available with dual independently adjustable auxiliary switches. All modulating models offer built-in feedback. Floating control models available with feedback potentiometer. Manual override. Mechanical range adjustment capability. Easily visible position indicator. Precabled. Plenum cable. Synchronous motor technology UL873 and cUL (C22.2 No.24-93) listed. These devices were approved for installation in plenum areas by Underwriters Laboratories, Inc. per UL 1995.. Siemens. Siemens. GLB131.1P.