delayed egress reset key

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Delayed egress hardware prevents a door from being opened from the egress side, usually for a period of 15 seconds. This type of device is often used to prevent theft, while maintaining life safety...
There is not a fully self-contained delayed egress like a Von Duprin Chex-It device but the Falcon RX-25 Series can perform a delayed egress by using the DE5300 controller, power supply, ...
A delayed egress sign is provided with the M490DE and the M490DEP.  The sign's part number is P774358