|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. 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.