Siemens Building Technology GCA151.1U Modulating Spring Return Damper Actuator 160 lb-In 4-20mA 24 VAC

Siemens GCA151.1U is a flexible modulating actuator for accurate control of HVAC dampers. It uses 4-20mA input signals and 24VAC power to produce a strong torque of operate dampers in a wide variety of HVAC systems. This spring return actuator ensures fail safe operation in the event of a power outage. This applications needing a constant or variable air volume and is suitable for face, bypass, exhaust, mixed air and return air dampers. Featuring manual override, stall protection, brushless DC motor technology and provides dependable and effective performance. It is small in size and because of its sturdy structure it can be used in many HVAC applications.