Siemens Building Technology GCA161.1U Actuator 30067439-890 Optimized for high-torque power transmission

Optimized for high-torque power transmission applications

Look for signs of "cooking" (discoloration)

This specific model is designed for Counter-Clockwise (CCW) rotation as viewed from the lead end/shaft end depending on the manufacturer's orientation standard

Featuring a 48-inch vapor-filled capillary tube and SPST switching

Field Configurable: Full access to keypad selectable parameters for PTFI

Siemens Building Technology GCA161.1U Actuator 30067439-890 Optimized for high-torque power transmissionThe Siemens GCA161. 1U is a high torque spring return rotary actuator engineered for precise control of building automation dampers and ball valves. Operating on a 24VAC supply, this OpenAir actuator utilizes a 0 10 VDC modulating signal to provide 142 lb in (16 Nm) of torque, ensuring reliable operation even in high static pressure systems. Its robust construction is designed for HVAC damper control applications requiring fail safe positioning during