What is the 4310HSA/4410HSA series closer?

HSA - stands for Holder Scanner Activation.

The HSA is an electrically controlled closer/holder designed to provide easy passage for groups of pedestrians through high traffic doors. With a constant flow of people entering or exiting through an opening, holding doors open for a crowd can be a hassle. The LCN 4410HSA and 4310HSA Series Closer will hold the door open for you while you exit, and continues to hold the door open until the scanner recognizes the last person has passed through the doorway.

For catalog cut sheets see here.


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