SYSTEM SENSOR (M500X) Line Isolator Module. Mounts in 4″ Squar

The System Sensor M500X Line Isolator Module is a critical component for maintaining fire alarm circuit integrity in complex addressable detection systems. Designed for professional installers working with commercial fire alarm networks, this module provides essential short circuit protection that prevents a single fault from compromising an entire notification circuit.

Engineered for reliable performance in demanding commercial environments, the M500X mounts easily in standard 4″ square electrical boxes and integrates seamlessly with System Sensor addressable communication protocols. Its advanced isolation technology ensures continuous system functionality by automatically detecting and isolating electrical short circuits, thereby minimizing potential system-wide disruptions during emergency detection scenarios.

Key Features

• Advanced short circuit isolation for addressable fire alarm circuits
• Compatible with System Sensor addressable communication protocols
• Simple mounting in standard 4″ electrical junction boxes
• NFPA 72 compliant circuit protection mechanism
• Low-impedance design maintains signal integrity
• Suitable for commercial, industrial, and institutional fire alarm installations

Specifications

• Operating Voltage: 24VDC nominal
• Current Consumption: < 500 µA
• Operating Temperature: 32°F to 120°F (0°C to 49°C)
• Humidity Range: 10% to 93% non-condensing

Certified to UL 864 standards for fire alarm control equipment, the M500X provides professional installers with a reliable solution for maintaining circuit continuity in complex fire detection systems. Typical installation environments include office complexes, educational facilities, healthcare institutions, and industrial manufacturing spaces where uninterrupted fire alarm performance is mission-critical.

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