Siemens GMA321.1E actionneur

Siemens GMA321.1E air damper actuator — a reliable solution for automating ventilation and air conditioning systems. The model is designed for precise control of air dampers in HVAC systems and ensures stable operation of equipment even under difficult operating conditions. The Siemens OpenAir™ series actuator is equipped with a return spring, which automatically returns the damper to a safe position in the event of a power failure. This is especially important for smoke extraction, ventilation, climate control, and building engineering systems where a high level of safety and uninterrupted operation is required. The GMA321.1E model operates on AC 230 V, develops a torque of 7 Nm, and is suitable for dampers up to 1.5 m². The housing with IP54 protection class is reliably protected from dust and moisture, allowing the actuator to be used in commercial, industrial, and administrative facilities. Advantages of Siemens GMA321.1E: • high reliability and long service life; • built-in return spring for safe operation; • precise two-position damper control; • compact and durable aluminum housing; • easy installation thanks to self-centering shaft adapter; • manual control and damper position indication; • stable operation under high humidity and temperature fluctuations. The Siemens GMA321.1E actuator is widely used in ventilation units, air conditioning systems, central air handling units, engineering systems of shopping centers, office buildings, industrial plants, and industrial automation facilities. Choosing Siemens GMA321.1E gives you original European quality, reliable automation, and confidence in the uninterrupted operation of your ventilation system. It is the optimal solution for professionals who value safety, energy efficiency, and reliability.