Description
The RSG DHBBC is a surface mount back box designed for use with RSG DH Series electromagnetic fire door holders. It provides a mounting enclosure that allows door holder units to be installed on surfaces where recessed mounting is not possible or practical.
Constructed to support secure installation of electromagnetic door holders, the DHBBC back box ensures proper alignment and mechanical stability for the door holding magnet assembly. It is commonly used in fire door applications where doors must remain open under normal conditions but release automatically during a fire alarm event.
The back box is designed to work with compatible DH Series door holder models and supports standard installation configurations used in commercial and institutional buildings.

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