{"product_id":"siemens-simatic-s5-6es5-988-3nb11-fan-exchange-module","title":"Siemens 6ES5988-3NB11 Simatic S5 Fan Exchange Module","description":"\u003ch3\u003eThermal Management Overview\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5988-3NB11 is a dedicated fan exchange module engineered for forced-air cooling in high-density Simatic S5-135 and S5-155 programmable logic controller racks. This module provides essential thermal regulation for high-capacity power supply chassis, ensuring that internal semiconductors and heat sinks remain within optimal operating temperature ranges. By maintaining consistent airflow, the unit prevents thermal-related degradation and protects against unexpected system trips in demanding industrial environments such as steel production, mining, and petrochemical processing.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for seamless integration with Siemens 6ES5 955-3NC13, 6ES5 955-3NA12, and 6ES5 955-3NF11 power supplies.\u003c\/li\u003e\n\u003cli\u003eRobust, vibration-resistant sheet metal cartridge design for secure rack mounting.\u003c\/li\u003e\n\u003cli\u003eHigh-reliability, sealed dual-ball bearing axial impellers for extended service life.\u003c\/li\u003e\n\u003cli\u003eIntegrated self-aligning rear electrical connectors to support efficient maintenance.\u003c\/li\u003e\n\u003cli\u003eProtective front grille to prevent debris intrusion into the rotating assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5988-3NB11\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\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\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\u003eBearing Type\u003c\/td\u003e\n\u003ctd\u003eSealed dual-ball bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the power supply is de-energized before attempting to remove or install the fan module.\u003c\/li\u003e\n\u003cli\u003eSlide the module into the designated power supply housing, ensuring the self-aligning rear pins are correctly seated.\u003c\/li\u003e\n\u003cli\u003eVerify that the front grille is free of obstructions to maintain proper airflow.\u003c\/li\u003e\n\u003cli\u003eHandle the module with care to avoid damaging the impeller blades or the electrical contact pins.\u003c\/li\u003e\n\u003cli\u003eRegularly inspect the fan assembly for dust buildup or mechanical noise, which may indicate the need for a replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this module compatible with all S5 power supplies?\u003c\/h3\u003e\u003cp\u003eThis module is specifically designed for use with the S5-135 and S5-155 series power supply models, including 6ES5 955-3NC13, 6ES5 955-3NA12, and 6ES5 955-3NF11. Please verify your power supply model number before installation.\u003c\/p\u003e\u003ch3\u003eDoes this unit support hot-swapping?\u003c\/h3\u003e\u003cp\u003eThe module features a self-aligning connector design to facilitate efficient replacement; however, always follow your facility's safety protocols regarding power-down procedures for critical control hardware.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51090367021308,"sku":"6ES5988-3NB11","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_3ea24198-41f2-4bb2-b870-2c5db7cc85bd.jpg?v=1788025619","url":"https:\/\/www.electronicplc.com\/ar\/products\/siemens-simatic-s5-6es5-988-3nb11-fan-exchange-module","provider":"Electronic PLC","version":"1.0","type":"link"}