Siemens (Pyro) HTRI-M

Siemens HTRI-M Intelligent Device Interface Module The Siemens HTRI-M is an intelligent device interface module designed to integrate conventional dry-contact initiating devices into Siemens’ addressable fire alarm systems. It provides supervised monitoring of devices such as manual pull stations, waterflow switches, or other contact devices, reporting their status to the fire alarm control panel (FACP). Key Features: • Intelligent Addressing: Utilizes microcomputer-chip technology for advanced bi-directional communication with the FACP, ensuring accurate status reporting and supervision. • Compact Design: Its small footprint allows for installation in standard single-gang electrical boxes, facilitating flexible and discreet placement. • Rotary Address Switches: Equipped with rotary switches for precise and straightforward address selection, simplifying installation and maintenance. Specifications: • Operating Voltage: 24 VDC • Standby Current: 0.45 mA • Alarm Current: 0.45 m