The Siemens GCA151.1P is a rotary electric damper actuator from the OpenAir™ GCA series, designed for reliable control in HVAC and industrial ventilation systems. This model features a spring return mechanism, delivering a torque of 160 lb-in (18 Nm) to ensure precise damper positioning. It operates on 24 VAC/DC power and accepts control signals of 0-10 V or 2-10 V DC, making it compatible with a range of control systems. With a 90-second runtime, the actuator offers smooth and efficient damper movement. Additionally, it provides position feedback and includes signal inversion capabilities for flexible integration. The GCA151.1P is plenum rated, making it suitable for use in air-handling spaces. BSP Automation offers this actuator as part of their comprehensive industrial automation product lineup.