[{"id":300292243521,"handle":"detector-bases","title":"Detector Bases","updated_at":"2026-06-11T14:49:49-05:00","body_html":"\u003cp\u003eShop our selection of fire alarm detector bases and mounting accessories from leading manufacturers including Potter, Kidde, Silent Knight, Fire-Lite, and Napco. Detector bases provide the mounting platform and electrical connections for addressable and conventional smoke detectors, heat detectors, and combination detectors. Our inventory includes standard 6-inch bases, low-profile bases, bases with built-in relays, bases with various terminal configurations, and wireless detector bases. Available in different current draws (93mA and other ratings) and voltage options to match your specific detector and fire alarm system requirements. Essential components for proper detector installation in commercial fire alarm systems.\u003c\/p\u003e","published_at":"2026-01-08T12:18:43-06:00","sort_order":"best-selling","template_suffix":"abc","disjunctive":true,"rules":[{"column":"tag","relation":"equals","condition":"Fire \u003e Fire Detection Devices \u003e Detector Base"}],"published_scope":"global","image":{"created_at":"2026-01-12T08:05:36-06:00","alt":null,"width":500,"height":500,"src":"\/\/www.fireandsafetyplus.com\/cdn\/shop\/collections\/3e3542cf-ED-KC2SB4.jpg?v=1768226736"}},{"id":301937950785,"handle":"quick-order","title":"Quick Order","updated_at":"2026-06-11T23:42:50-05:00","body_html":null,"published_at":"2026-02-18T13:35:25-06:00","sort_order":"best-selling","template_suffix":"quick","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"}]
["Fire \u003e Fire Detection Devices \u003e Detector Base"]
The MRI-4003-LF low frequency sounder base is designed to meet NFPA 72 requirements for sleeping areas operating within a frequency range of 520 Hz + 10%, ensuring the most effective alarm to awake individuals during emergencies.
Main Features
Comprehensive Compliance Fully meets NFPA 72 for low frequency sounder codes
Optimal Alarm Tone
Built-in alarm sounding capability for all MRI-4000 detectors
Cost and Space efficiency
Configurable Operation
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