{"product_id":"51303940-100-honeywell-dual-cabinet-fan-assembly","title":"51303940-100 Honeywell Dual Cabinet Fan Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51303940-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51303940\u003c\/strong\u003e Dual Cabinet Fan Assembly, operates as a dedicated hardware component for forced-convection thermal dissipation and active airflow monitoring within Honeywell TDC 3000 and Experion PKS cabinet enclosures.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e51303940-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.29 lbs (1.95 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Honeywell Cabinet Mounting Frame Size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e115 VAC, 50\/60 Hz, 100 mA (Fan Power); 12 VDC (Alarm Circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell TDC 3000 \/ Experion PKS Enclosures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Quantity\u003c\/td\u003e\n\u003ctd\u003eDual high-volume cooling fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Output\u003c\/td\u003e\n\u003ctd\u003eIntegrated hardware alarm contact circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCabinet Thermal Management and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eDesigned for continuous duty in Honeywell DCS control racks, the assembly maintains positive vertical airflow across card cages to prevent localized thermal hot spots. The integrated alarm circuit operates on a 12 VDC signal path, providing isolated contact monitoring to detect fan rotation failure or supply voltage loss. Galvanic isolation between the 115 VAC line input and the low-voltage 12 VDC logic interface prevents high-voltage AC line noise from coupling into sensitive backplane communications or 4-20 mA HART signal channels within adjacent rack slots.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power connections are required for proper operation of the 51303940-100 assembly?\u003c\/p\u003e\n\u003cp\u003eA: The main fan motors require a 115 VAC, 50\/60 Hz supply drawing 100 mA, while the internal tachometer\/alarm monitoring circuit requires an auxiliary 12 VDC logic supply.\u003c\/p\u003e\n\u003cp\u003eQ: How does the integrated alarm signal state change during a fan failure?\u003c\/p\u003e\n\u003cp\u003eA: Upon a drop in fan speed or loss of AC input voltage, the internal dry contact or solid-state alarm circuit changes state to signal the system controller via the 12 VDC field circuit.\u003c\/p\u003e\n\u003cp\u003eQ: Can this assembly be replaced while the cabinet remains energized?\u003c\/p\u003e\n\u003cp\u003eA: Physical mounting screws and wiring harnesses can be serviced individually, but standard electrical safety protocols require disconnecting the 115 VAC power source before handling the motor terminal connections.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure the assembly frame to the dedicated cabinet fan mounting rails using standard cabinet hardware to minimize vibration.\u003c\/li\u003e\n\u003cli\u003eVerify proper wire termination for both the 115 VAC line input and the separate 12 VDC alarm signal wiring prior to energizing the circuit.\u003c\/li\u003e\n\u003cli\u003eEnsure the direction of airflow is oriented upward to support natural thermal convection through the module card cages.\u003c\/li\u003e\n\u003cli\u003eConnect the chassis grounding tab directly to the enclosure protective earth (PE) bus to mitigate electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53631317213493,"sku":"51303940-100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/MC-FAN51151303940-250_f30e02d3-f1b3-4bd4-a25d-0880b596a611.jpg?v=1790134823","url":"https:\/\/www.5gplc.com\/products\/51303940-100-honeywell-dual-cabinet-fan-assembly","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}