{"product_id":"siemens-6es5-988-3nb41-simatic-s5-fan-kit","title":"Siemens 6ES5988-3NB41 SIMATIC S5 Fan Replacement Kit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 6ES5 988-3NB41 is a specialized fan replacement kit designed for high-capacity SIMATIC S5 power supply units. This thermal management component is essential for maintaining forced-air cooling across power electronics, preventing thermal throttling, and protecting sensitive components from heat-related degradation. It is engineered to support specific power supply models, including the 6ES5 955-3LC4X, 6ES5 955-3LF4X, 6ES5 955-3NC4X, and 6ES5 955-3NF4X series.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptimized for SIMATIC S5 rack enclosures with precise mechanical alignment.\u003c\/li\u003e\n\u003cli\u003eHigh-velocity axial fan design to maximize static pressure and airflow throughput.\u003c\/li\u003e\n\u003cli\u003eVibration-resistant electrical connector for reliable power distribution.\u003c\/li\u003e\n\u003cli\u003eDesigned for continuous 24\/7 operation in demanding industrial environments.\u003c\/li\u003e\n\u003cli\u003eConstructed to withstand high ambient particulate loads common in heavy industry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThis fan kit is widely utilized in critical infrastructure applications, including power generation plants, petroleum refineries, and heavy mining operations. It serves as a vital maintenance component for extending the operational lifespan of legacy SIMATIC S5 automation backplanes by ensuring consistent heat dissipation within enclosed control panels.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5 988-3NB41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFan Replacement Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Type\u003c\/td\u003e\n\u003ctd\u003eForced Air Axial Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eSiemens 6ES5 955-3xx4x Power Supplies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the power supply unit is fully de-energized before attempting to remove or install the fan kit.\u003c\/li\u003e\n\u003cli\u003eVerify that the mounting surface is clean and free of debris to ensure an airtight seal between the fan housing and the power supply chassis.\u003c\/li\u003e\n\u003cli\u003eAlign the mechanical housing carefully with the existing chassis mounting points to prevent vibration during operation.\u003c\/li\u003e\n\u003cli\u003eEnsure the electrical connector is fully seated and locked into the power distribution rail.\u003c\/li\u003e\n\u003cli\u003eAfter installation, perform a brief test run to confirm the fan is spinning freely and that there are no obstructions to the airflow path.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch3\u003eIs this fan kit compatible with all SIMATIC S5 power supplies?\u003c\/h3\u003e\n\u003cp\u003eNo, this kit is specifically designed for the 6ES5 955-3LC4X, 6ES5 955-3LF4X, 6ES5 955-3NC4X, and 6ES5 955-3NF4X series. Please verify your power supply model number before installation.\u003c\/p\u003e\n\u003ch3\u003eDoes the fan require external wiring?\u003c\/h3\u003e\n\u003cp\u003eNo, the unit utilizes a plug-in connector that draws power directly from the internal power supply distribution rail, eliminating the need for external cabling.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50911956631804,"sku":"6ES5988-3NB41","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_80cc20aa-e3bb-4109-a69e-664217543aa8.jpg?v=1785718502","url":"https:\/\/www.electronicplc.com\/products\/siemens-6es5-988-3nb41-simatic-s5-fan-kit","provider":"Electronic PLC","version":"1.0","type":"link"}