Siemens Building Technology GCA226.1U Actuator R-22 The DPST (Double Pole Single

The DPST (Double Pole Single Throw) configuration and normally open circuit provide reliable switching

This kit is compatible with the Apollo-Conbraco 40-200 series

Is the HH12ZA211 a manual or auto-reset switch

This specific model is designed as a safety cut-out

Siemens Building Technology GCA226.1U Actuator R-22 The DPST (Double Pole SingleThe Siemens GCA226. 1U is a heavy duty OpenAir electronic damper actuator engineered for precise two position control in commercial HVAC systems. Operating on a 120V AC power supply, this spring return actuator delivers a robust 160 lb in torque (18 Nm), making it the professional choice for managing large dampers in air handling units, mixed air sections, and exhaust systems. The integrated dual auxiliary switches provide critical end stop feedback