Siemens ASK791 Electronic Fusible Link (EFL),
The Electronic Fusible Link (EFL) is a heat responsive device,
use with the Siemens OpenAir™ UL liste fire and smoke control damper actuators.
Upon exceeding the temperature limits of the EFL model ordere and installe,
the EFL cuts power to the electronic damper actuator,
and the actuator’s spring return mechanism closes the damper.
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