Description

Description
The OpenAir direct-coupled, 2-position, spring return electronic damper actuators are UL listed for smoke control dampers or for combination fire/smoke rated dampers. Actuators are designed to operate reliably in smoke control systems requiring Underwriter’s Laboratories, Inc. UL555/555S rating when tested as an assembly with the damper and will meet requirements of UBC for 15 second opening and closing at 350°F (177°C).

Features
• Optional built-in auxiliary switches: Fixed switch points at 5° and 85° rotation.
• Optional built-in Electronic Fusible Link (EFL) capability with three temperature ratings; 165°F, 250°F, 350°F
• Reversible fail-safe spring return
• All metal housing
• Precabled Teflon® insulated lead wires
• Fifteen second operation at rated torque, temperature, and voltage