Silent Knight HFS-MR Intelligent Relay Control Module

The Silent Knight HFS-MR is an intelligent relay control module for the Silent Knight 5600 IntelliKnight series that lets the panel switch external devices through two isolated Form C dry contacts. It uses one SLC address, offers flexible zone-based relay programming, and includes a panel-controlled status LED for clear module status indication. Key Specifications: Type: Intelligent relay control module Core Function(s): Provides DPDT relay switching for normally open or normally closed applications by panel command Loop/Protocol: Silent Knight IntelliKnight SLC Power: 15 to 32 VDC Indicators/UI: Panel-controlled LED flashes red in normal state and turns solid red when activated Contacts: Two isolated Form C contacts operating as a DPDT switch Contact Ratings: 2.0 A at 30 VDC resistive; 0.3 A at 125 VDC inductive Mounting: Mounts to a 4-inch square electrical box with minimum 2-1/8-inch depth Operating Range: 32 F to 120 F; 10 to 93 percent non-condensing humidity Compatible Accessories: SMB500 - Surface-mount electrical box HFS-D - Duct housing mount option System Compatibility: Compatible with the Silent Knight 5600 IntelliKnight intelligent fire alarm control panel.