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The Siemens Building Technology GRD126.1U is a 24V 2-position spring return fire and smoke control damper actuator with auxiliary switches. This actuator is designed for use in building technology applications and complies with UL555 and UL555S standards.
Ideal for smoke control systems, operates reliably at high temperatures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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