{"product_id":"siemens-simatic-s5-6es5951-7lb14-ps-951-power-supply-module","title":"Siemens 6ES5951-7LB14 PS 951 Power Supply Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5951-7LB14 is a dedicated power supply module from the Simatic S5 series, specifically engineered to support the S5-115U and S5-115H programmable logic controller systems. This PS 951 unit is designed to provide stable, regulated DC power to the PLC backplane, ensuring consistent operation for CPU, I\/O, and communication modules within the rack. It is a critical component for maintaining system integrity in demanding industrial environments, preventing downtime caused by voltage fluctuations or grid instability.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for seamless integration with Simatic S5-115U and S5-115H rack systems.\u003c\/li\u003e\n\u003cli\u003eWide-range AC input compatibility supporting 110\/120 V and 220\/240 V AC networks.\u003c\/li\u003e\n\u003cli\u003eDelivers a stable 5 V DC output at 3 A to the backplane bus.\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated battery compartment for memory backup functionality using C-size Lithium cells.\u003c\/li\u003e\n\u003cli\u003eRobust aluminum chassis design with passive cooling windows for optimal thermal management.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis power supply is widely utilized in legacy automation environments where S5-115U\/H series controllers remain in service. Typical applications include water treatment facilities, power generation control systems, and heavy manufacturing production lines where reliable power conversion is essential for continuous process monitoring and control.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5951-7LB14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSimatic S5-115U \/ S5-115H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e110 to 240 VAC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e3 A at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e35 W\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\u003eBackup Battery\u003c\/td\u003e\n\u003ctd\u003eC-Size Lithium (CA-6EW1000-7AA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the main power source is disconnected before inserting or removing the module from the rack.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage selection matches the local power grid requirements.\u003c\/li\u003e\n\u003cli\u003eInstall the module in a clean, dry environment with adequate clearance above and below the unit for passive ventilation.\u003c\/li\u003e\n\u003cli\u003eUse appropriate ESD protection when handling the module to prevent damage to internal logic components.\u003c\/li\u003e\n\u003cli\u003eEnsure the backplane connectors are fully seated to prevent intermittent power loss or contact oxidation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eDoes this module include a backup battery?\u003c\/h3\u003e\u003cp\u003eThe 6ES5951-7LB14 is equipped with a battery compartment designed for a C-size Lithium battery, but the battery cell itself is typically supplied separately as a maintenance item.\u003c\/p\u003e\u003ch3\u003eIs this module compatible with other S5 series racks?\u003c\/h3\u003e\u003cp\u003eThis specific PS 951 model is optimized for the Simatic S5-115U and S5-115H series. Please verify your specific rack configuration before installation to ensure compatibility.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44782560837720,"sku":"6ES5951-7LB14","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_ba3f1d3a-02ff-44e9-a283-32fd4d122a52.jpg?v=1789188350","url":"https:\/\/www.industriaxplc.com\/ar\/products\/siemens-simatic-s5-6es5951-7lb14-ps-951-power-supply-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}