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Product Description
Siemens - ASK791.250 ASK791.250 Electronic Fusible Link (EFL) 250 F (121 C)The Electronic Fusible Link (EFL) is a heat responsive device used with the Siemens OpenAir™ UL listed fire and smoke control damper actuators. Upon exceeding the temperature limits of the EFL model ordered (250 ? F) and installed, the EFL cuts power to the electronic damper actuator and the actuator's spring return mechanism closes the damper.
The Electronic Fusible Link (EFL) is a heat responsive device used with the Siemens OpenAir™ UL listed fire and smoke control damper actuators. Upon exceeding the temperature limits of the EFL model ordered (250 ̊ F) and installed, the EFL cuts power to the electronic damper actuator and the actuator's spring return mechanism closes the damper.