Siemens HTRI-M

Features

• Interfaces and supervises normally open (N.O.) contacts: [i.e. − fire detection]
• Interfaces and supervises normally closed (N.C.) contacts: [i.e. − security detection]
• Compact size allows mounting in single-gang box behind equipment
• Polarity insensitive with SureWire technology
  • Innovative technology supports comprehensive system and interface communication
• Dynamic supervision
• Two-wire operation
• Device Programmer / Test Unit programs and verifies address and test functionality
• UL Listed,   ULC Listed; FM, CSFM and NYC Fire Department Approved