{"product_id":"honeywell-51303948-100-battery-backup-module","title":"Honeywell 51303948-100 Battery Backup Module","description":"\u003ch2\u003eHoneywell 51303948-100 Battery Bank\u003c\/h2\u003e\n\u003cp\u003eConfigured for backup power continuity in UCN\/HPM\/APM assemblies, the \u003cstrong\u003eHoneywell 51303948-100\u003c\/strong\u003e (\u003cstrong\u003e51303948-100\u003c\/strong\u003e battery bank) provides direct physical\/electrical execution of 48 VDC reserve supply during primary feed loss. The module integrates a disconnect connector that maintains uninterrupted delivery to HPM\/APM equipment and supports stable rack‑mounted battery operation.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e51303948-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e34 lbs (net), 17 kg (shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003ePassive battery bank; no active draw until discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCore Performance Indicators\u003c\/th\u003e\n\u003ctd\u003e48 VDC UCN backup battery bank with continuous feed connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol Behavior\u003c\/h3\u003e\n\u003cp\u003eAlthough the 51303948-100 does not process analog loops directly, its 48 VDC reserve output stabilizes power availability for HPM\/APM modules that host 4-20 mA HART channels. Maintaining uninterrupted supply prevents loop sag, burst packet corruption, and channel isolation faults during transfer from primary to backup feed. The battery bank’s discharge profile ensures predictable voltage behavior, reducing noise coupling into cold junction compensation routines and preventing transient disturbances across adjacent channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 51303948-100 be hot-swapped while the UCN chassis is energized? A: Battery banks should not be removed under live conditions. Disconnecting under load may interrupt HPM\/APM supply rails and cause controller resets.\u003c\/p\u003e\n\u003cp\u003eQ: Does the battery bank influence backplane current distribution? A: It supplies reserve voltage to the power feed path but does not alter regulated backplane current limits. Distribution remains governed by the primary supply modules.\u003c\/p\u003e\n\u003cp\u003eQ: Is firmware or configuration required for operation? A: No. The unit is a passive hardware assembly and does not contain firmware or configurable logic.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the battery rack in a stable cabinet location with adequate ventilation clearance.\u003c\/li\u003e\n\u003cli\u003eEnsure the disconnect connector is fully seated before energizing the system.\u003c\/li\u003e\n\u003cli\u003eRoute battery cabling separately from low-level analog conductors to minimize induced interference.\u003c\/li\u003e\n\u003cli\u003eBond the rack frame to the cabinet grounding bar to reduce transient propagation during discharge events.\u003c\/li\u003e\n\u003cli\u003eVerify polarity alignment before connecting to HPM\/APM feed terminals.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45440055410878,"sku":"51303948-100","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/honeywell-51303948-100-battery-backup-module-rylwbre3eet.png?v=1758880879","url":"https:\/\/www.autooiltech.com\/products\/honeywell-51303948-100-battery-backup-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}