Cheap Von Duprin PS873-2 Power Supply
Factory Installed Circuit Card 871-2, Two Zone controller provides two inputs and two outputs. Will operate one or two EL exit devices Enclosure is 10" high x 12-1/2" wide x 5" deep, gray with a hinged cover and constructed of heavy 19 gauge steel. Five 1/2" x 3/4" knockout holes are provided for conduit connection. Terminal block will accept up to 12 gauge wire. The series PS873 is available with several optional circuit cards to provide system flexibility. The power supply will accept one or a combination of any two cards. 873-AO, Auto Operator function coordinates the electric latch retraction of one or two locks or devices and signals an auto-operator to open a door. Signaling the auto operator can be performed in two methods; by receiving a signal from a monitoring switch that the lock is unlatched, or upon expiration of a time delay triggered by a ???RX??? type input switch.
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