Von Duprin mag lock


Von Duprin discontinued selling mag locks in the early 1990's.
A delayed egress sign is provided with the M490DE and the M490DEP.  The sign's part number is P774358
One Delayed Egress Controller (DE5101) can run two mag locks on a pair of doors, provided the doors are not controlled independently
 AC-voltage or "noise" on a power line can cause hum. Ensure supply is filtered and regulated 12 or 24 volts.Not a transformer.Also ensure hardware is properly secure eliminating the poss...