{"product_id":"honeywell-51303968-100-cmos-backup-assembly-board","title":"Honeywell 51303968-100 CMOS Backup Assembly Board","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Honeywell \u003cstrong\u003e51303968‑100\u003c\/strong\u003e CMOS Backup Assembly Board is a dedicated memory backup module designed to safeguard volatile RAM data in Honeywell C300 controllers. It integrates a sealed lithium battery to maintain configuration and process data during power interruptions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Honeywell\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: 51303968‑100\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e: CMOS Backup Assembly Board\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e: Provides RAM backup during power loss\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e: Sealed lithium battery (non‑replaceable)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e: 24 V input\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCut‑in Voltage\u003c\/strong\u003e: 19 V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e: ~50 mA at 24 V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eExpected Battery Life\u003c\/strong\u003e: 3–5 years depending on environment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: –40 °C to +60 °C\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Battery\u003c\/strong\u003e: Maintains controller RAM data during outages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFail‑safe Design\u003c\/strong\u003e: Automatic switchover to backup power on loss of supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSealed Construction\u003c\/strong\u003e: Battery is non‑replaceable, requiring full module replacement at end of life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eLong Service Life\u003c\/strong\u003e: 3–5 years typical battery endurance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eIndustrial Durability\u003c\/strong\u003e: Designed for harsh operating environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eController Compatibility\u003c\/strong\u003e: Supports Honeywell C300 controllers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFAQ – Common Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What is the purpose of the 51303968‑100 board?\u003c\/strong\u003e A: It provides CMOS RAM backup for Honeywell C300 controllers during power loss.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: Does the module have a replaceable battery?\u003c\/strong\u003e A: No, the lithium battery is sealed; the entire module must be replaced when the battery expires.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: How long does the battery last?\u003c\/strong\u003e A: Typically 3–5 years depending on temperature and usage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What happens if the battery fails?\u003c\/strong\u003e A: Volatile RAM data may be lost; replacement is required to restore backup capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: Is the module certified for industrial use?\u003c\/strong\u003e A: Yes, it carries CE and UL approvals.\u003c\/span\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43701448868099,"sku":"51303968-100","price":560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/7995\/4179\/products\/b72fd0e709a9508448b5d4c463ebc444.jpg?v=1675135286","url":"https:\/\/www.runtoelectronic.com\/products\/honeywell-51303968-100-cmos-backup-assembly-board","provider":"Runto Electric","version":"1.0","type":"link"}