Siemens Building Technology GCA166.1U Actuator 322056-301 This Aprilaire 51 sensing relay

This Aprilaire 51 sensing relay features a compact

S1-1468-215P/B

Common HVACR Contractor Questions: What are the specific dimensions for the Trane FAN3043

The integrated 3-way manual override switch (ON/AUTO/OFF) provides immediate local control

reducing energy waste and eliminating hot or cold spots within a building

Siemens Building Technology GCA166.1U Actuator 322056-301 This Aprilaire 51 sensing relayThe Siemens GCA166. 1U is a heavy duty OpenAir spring return actuator engineered for precise modulating control of HVAC dampers in commercial building automation systems. Operating on 24V AC DC, this unit delivers a robust 142 lb in torque (rated up to 160 lb in in specific applications) to manage large damper areas effectively. It utilizes a 0 10VDC control signal for linear positioning and features dual auxiliary switches for end stop monitoring or