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control of return air, mixed air, exhaust, and face and bypass dampers requiring up to 160 lb-in (18 Nm) torque. They are designed for applications that require the damper to return to a fail-safe position when there is a power failure.
1 wrz 2024 · Siemens Industry Catalog - Building Technologies - HVAC products - Damper actuators - Air damper actuators - Rotary damper actuators with spring return - Accessories for rotary air damper actuators GCA..1E - ASC77.2E - External auxiliary switch assembly 2 switches
Damper actuators. Siemens offers a complete portfolio of damper actuators tailored to suit your HVAC requirements. With a wide selection of positioning forces, control signals, communication protocols and add-on options, the product range meets all your needs.
Rotary air damper actuator, AC/DC 24 V, 2-position, 18 Nm, spring return 90/15 s, 2 auxiliary switches. With self-centering shaft adapter for shaft dia. 8..25.6 mm, square 6...18 mm, min. shaft length 20 mm. With position indication and adjustable mechanical limit stop. Manual override.
UL-listed smoke control dampers and combination fire/smoke rated dampers. Features • Optional built-in auxiliary switches: Fixed switch points at 5° and 85° rotation. • Optional built-in Electronic Fusible Link (EFL) capability with four temperature ratings: 165°F (74°C), 212°F (100°C), 250°F (121°C), and 350°F (177°C).
27 cze 2024 · Electronic rotary actuators for 2-position, 3-position, and modulating control. Nominal torque 35 Nm. Operating voltage : AC 24 V ~ / DC 24 V ⎓ or AC 100...240 V ~. Mechanically adjustable span between 0. 90°. Pre-wired with standard 0.9 m connection cables.
30-second drive/15-second return operation at rated torque, temperature and voltage. This actuator is used for the control of dampers requiring up to 20 lb-in (2 Nm) driving torque. It is intended for control of UL-listed smoke control dampers and combination fire/smoke HVAC dampers.
