The SD500-ARM is an addressable device that adds great flexibility to the
IntelliKnight system. Providing two Form C contacts rated at 2.0 amps @ 30 VDC
or .6 amp @ 120 VAC. The SD500-ARM allows you to control a wide variety of
normally open and normally closed applications, including elevator recall, door
closing, fan operation, and auxiliary notification. And, because the relay
module is addressable, these applications can be located at any point in the
signaling line circuit.Like other IntelliKnight SLC devices, the SD500-ARM is
compact for adaptability and pleasing aesthetics. Combine this with the features
you've come to expect from Silent Knight fire protection devices-easy
installation and stable operation-and it adds up to a flexible solution for all
your fire protection needs.