No, the steel mounting bracket does not have its own fire listing.
Mounting brackets allow for the mounting of hardware that normally mounts to the frame but cannot do so due to the presence of the coordinator in that location.
For fire rated openings, the MB1F, MB2F, and MB3F brackets are for mounting non-latching hardware only.
Contact support at 877-671-7011, option 2, then option 3, if assistance is needed.
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