Fire-Lite MS-4 Four-Zone Conventional Fire Alarm Control Panel, 120VAC, 50/60Hz, 2.3A

The Fire-Lite MS-4 is a four-zone conventional fire alarm control panel designed for reliable fire detection and notification in small to mid-sized commercial and institutional applications. It operates from 120 VAC, 50/60 Hz primary power and supports conventional initiating devices including two-wire and four-wire smoke detectors, manual pull stations, waterflow devices, tamper switches, and other normally open contact devices. The panel provides two notification appliance circuits and supports Class B operation as standard, with optional expansion to Class A using the appropriate module. It also offers compatibility with System Sensor i3 smoke detectors and provides useful monitoring and alarm functions for conventional fire protection systems. The MS-4 is UL listed and designed for dependable system control.