Product Details
The Siemens XTRI-S is an intelligent single-input interface module for monitoring a normally open or normally closed dry contact on the SLC. It includes ISOtechnology dual isolation for NFPA 72 Class X (Style 7) survivability, a tri-color status LED, and configurable wiring: isolator mode or polarity-insensitive wiring in non-isolator mode using SureWire. The device occupies one loop address. Also known as P/N S54370-B3-A1.