STI (STI-LT-1UL) Latching/Timer Module – Lt-1Ul Converts

The STI LT-1UL Latching/Timer Module is a precision fire alarm interface device designed to transform momentary contact switches into sophisticated control modules with advanced timing capabilities. Engineered for professional fire alarm and building safety systems, this module provides critical functionality for converting standard activation buttons into latching switches with configurable timing parameters.

Ideal for complex commercial fire detection and notification environments, the LT-1UL enables installers to implement flexible activation and reset sequences across addressable fire alarm panels. Whether integrated with manual pull stations, emergency control circuits, or auxiliary notification systems, this module offers superior adaptability for challenging architectural and safety infrastructure requirements.

Key Features

• Converts momentary contact switches to latched configuration with programmable timing options
• Compatible with most standard commercial fire alarm control panels
• UL Listed for comprehensive fire safety applications
• Supports multiple timing intervals from 1-60 seconds
• Compact design for streamlined panel and circuit integration
• Robust electrical performance with low current draw

Specifications

• Voltage Range: 12-24 VDC
• Operating Current: < 15mA
• Dimensions: Approximately 1.2″ x 0.63″
• Compliance: NFPA 72, UL 268, UL 464

Typical installation contexts include commercial office complexes, healthcare facilities, educational institutions, and industrial environments requiring precise fire alarm circuit management. The LT-1UL module seamlessly integrates with addressable fire alarm panels from manufacturers like Edwards, Simplex, and Notifier, providing reliable performance in mission-critical safety infrastructure.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com