{"product_id":"honeywell-51303940-250-cabinet-fan-assembly-with-alarm","title":"Honeywell 51303940-250 Cabinet Fan Assembly With Alarm","description":"\u003ch2\u003eHoneywell 51303940-250 Cabinet Fan Assembly With Alarm\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 51303940-250\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51303940-250\u003c\/strong\u003e Cabinet Fan Assembly With Alarm, provides cabinet airflow control and alarm contact monitoring within Honeywell control system cabinets.\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\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e51303940-250\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCabinet Fan Assembly With Alarm\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\u003e1.88 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e39 x 14.1 x 5.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (18-32 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e0.8 A maximum load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e19.2 W nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Contact Rating\u003c\/td\u003e\n\u003ctd\u003e10 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Voltage\u003c\/td\u003e\n\u003ctd\u003e200 VDC peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003eAC resistive contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Cabinet Thermal Management and Alarm Interface\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell 51303940-250 controls cabinet ventilation through a 24 VDC fan assembly and provides an alarm contact output for cabinet condition monitoring. The unit maintains internal airflow by removing heat generated from installed control hardware.\u003c\/p\u003e\n\u003cp\u003eIn addition, the alarm circuit allows the control system to detect fan status conditions through an electrical contact interface. The switching contact supports monitoring applications with defined voltage and power limits.\u003c\/p\u003e\n\u003cp\u003eFor Honeywell DCS cabinet installations, proper airflow management supports stable operation of controllers, I\/O modules, and communication assemblies. Therefore, technicians should verify fan power wiring, alarm contact wiring, and cabinet ventilation paths during installation and maintenance activities.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power supply does the Honeywell 51303940-250 Cabinet Fan Assembly require?\u003cbr\u003eA: The assembly operates from a 24 VDC supply with an allowable voltage range of 18-32 VDC. The maximum current load is 0.8 A.\u003c\/p\u003e\n\u003cp\u003eQ: What alarm interface is provided by the 51303940-250?\u003cbr\u003eA: The unit provides an alarm contact output with a maximum contact rating of 10 W and a switching voltage limit of 200 VDC peak.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 51303940-250 operate in high temperature cabinet environments?\u003cbr\u003eA: Yes. The specified operating temperature range is -40 deg C to +70 deg C with 5-95% RH non-condensing humidity.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the cabinet fan assembly according to the Honeywell cabinet mechanical mounting arrangement and maintain sufficient clearance around airflow openings.\u003c\/li\u003e\n\u003cli\u003eConnect the 24 VDC power supply using correctly rated field wiring and verify polarity before energizing the circuit.\u003c\/li\u003e\n\u003cli\u003eRoute alarm contact wiring separately from high-current power conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eEnsure the cabinet ventilation path remains unobstructed and remove dust accumulation during scheduled maintenance.\u003c\/li\u003e\n\u003cli\u003eVerify alarm contact operation after installation by checking the connected monitoring input response.\u003c\/li\u003e\n\u003cli\u003eConfirm grounding practices follow the cabinet manufacturer's electrical installation requirements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44494864941144,"sku":"MC-FAN511 51303940-250","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/MC-FAN511-51303940-250-3_1200x1200_19cf33e3-249f-4df9-9d3c-10ec53cdac20.jpg?v=1785749690","url":"https:\/\/www.industriaxplc.com\/ar\/products\/honeywell-51303940-250-cabinet-fan-assembly-with-alarm","provider":"IndustriaX Limited","version":"1.0","type":"link"}