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ASK791.250 | ASK791.250 Electronic Fusible Link (EFL) 250 F (121 C) | Siemens

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.

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Siemens ASK791.250 Documents

Datasheet(OpenAir GJD Series Electronic Damper Actuator for UL Listed Fire/Smoke and Smoke Control Dampers Technical Instructions)Declarations and Certificates(Damper Actuator_EPD_GROW_FS_EFL Environmental Product Declaration) More Info

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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.