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The Fusible Link arm is available with the 4010, 4020 and 4110 series closers. They all use the same Fusible Link arm. The UL Listing number is for the Fusible Link arms is R1943.
- The 4010 Series can be templated for 100° or 140°.
- The 4110 and the 4020 Series can be templated for 100°, 140°, or 180°.
Fusible Link arms closer are NOT recommended to be used as a Fire Life Safety device in "Occupied Areas".
The local "AHJ" (Authority Having Jurisdiction) always has the final decision, therefore, "ALWAYS" consult the local "AHJ" and local codes before specifying a fusible link arm closer.
Notes
The Falcon SC Series closers do not have a Fusible Link option, only the LCN 4010, 4110, and 4020 Series have the Fusible Link arm option.
A mechanical fusible link is a device consisting of two strips of metal soldered together with a fusible alloy that is designed to melt at a specific temperature, thus allowing the two pieces to separate. Mechanical fusible links are utilized as the triggering device in fire sprinkler systems and mechanical automatic door release mechanisms that will close fire doors in specific building locations. ALWAYS consult the local "AHJ" and local codes before specifying a fusible link arm closer.
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