Description The Fire-Lite MS-5024 is a replacement control and digital communicator board designed for five-zone conventional fire alarm systems. It supports a range of normally open input devices including pull stations, smoke detectors, and waterflow switches. The MS-5024 integrates system control, communication, and supervised circuits into a single board for reliable fire protection functionality. Technical Specifications Condition New/Never Used Surplus Brand FIRE-LITE (Honeywell) Category Fire Safety Part Number MS-5024 Subcategory Fire Alarm Maximum Charging Circuit 27.6 V @ 0.8 A normal flat charge Maximum Charger Capacity 17 Ah battery (7 Ah internal; larger requires BB-17F cabinet) Supervised Circuits Low/no battery supervision; power-limited circuitry Zone Operation All zones NFPA Style B; Zone 3 Style B/D (with CAC-5F) Operating Voltage 24 VDC (100 mV ripple max) Alarm Current 26 mA Short Circuit Current Up to 42 mA Maximum Loop Resistance 100 Ω End-of-Line Resistor 4.7K, ½ W (P/N 27072 UL listed) Detector Loop Current Supports one alarmed detector per zone Standby Current 7.26 mA (incl. ELR + detector load) Outputs Two NACs, two programmable relays Application Conventional fire detection and notification Information About MS-5024 The MS-5024 is a combined control panel and digital communicator board developed by Fire-Lite for use in conventional fire alarm installations. The board accommodates five initiating zones and supports NFPA Style B for all zones, with optional Style D operation on Zone 3 when used with the CAC-5F accessory. Its design includes two NAC outputs and two programmable relays, providing notification and auxiliary control capabilities. Typical applications include small to mid-size facilities requiring supervised circuits, battery-backed operation, and compatibility with a variety of standard detection devices. Key Features Five-zone configuration: Supports waterflow switches, pull stations, and smoke detectors. Integrated communicator: Combines control panel functions with digital communication on one board. Two NAC outputs: Provides notification appliance support for horns, strobes, and bells. Programmable relays: Offers auxiliary control for system functions and outputs. Battery charging capability: Supports up to 17 Ah batteries with external battery cabinet options. Style B and Style D zoning: Zone 3 can operate in Style D with CAC-5F accessory. Supervised circuitry: Includes low/no battery supervision and power-limited circuits. 24 VDC operation: Supports stable performance within standard fire alarm voltage requirements. The MS-5024 delivers the reliability and precision required for dependable operation in conventional fire alarm control and communication systems.
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