FCM-1 Addressable Control Module provides Notifier intelligent control panels a circuit for Notification Appliances (horns, strobes, speakers) or to monitor a telephone circuit.
The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.
The Thermotech 302 Series rate-anticipation heat detec- tors operate within a controlled range of two to three de- grees of their set points, regardless of the speed or rate of temperature rise.