Latest articles on DM-I Door interlock 
DM-I Door interlock allows exit from a dangerous area even when the door is locked(04/01/2010)
Fortress Interlocks has engineered the DM-I Door interlock that features and internal release mechanism that allows exit from a dangerous area even when the door is locked. The DM unit is mounted on the outside of the guard allowing normal entry and exit using a Fortress Key. The DM-I unit is fitted to the doorpost and allows operators to enter through one access point and exit through another in multi-access applications. The DM-I features a large red button and depressing the button release... [more]
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