Siemens TRI-D Dual-Input Intelligent Initiating Device Module

Siemens TRI-D Dual-Input Intelligent Initiating Device Module is a dual-input module that is designed to supervise and monitor two (2) sets of dry contacts. Model TRI-D requires two (2) address settings. Model TRI-D is ideal for monitoring a waterflow switch and its respective valve tamper switch. P/N 500-896226 Designed for use with FireFinder XLS and MXL fire-alarm control panels (FACPs).