Kidde Airsense Relay Input Card 9-30436 Input Relay Cards plug into the APIC interface slot in each detector and cannot be used in conjunction with APIC Cards. An Input Relay Card provides detector inputs that may be programmed for Remote Day/Night Mode Changeover, Remote Reset or ClassiFire Override as well as power supply fault monitoring. ClassiFire Override is a particularly useful feature that enables the normal detector sensitivity to be reduced by a pre-programmed percentage to avoid unwanted alarms from a predictable event such as theatre stage effects or open fires in heritage buildings. Key Features 4 staged normally open relay outputs. Relay contacts rated at 0.4A 24vDC. Compatible with Stratos-HSSD and Stratos-Micra detectors. Common Fault relay energised normally closed for fail safe operation.