{"product_id":"siemens-simatic-s5-6es5951-7lb14-ps-951-power-supply-module","title":"Siemens 6ES5951-7LB14 PS 951 Power Supply Module for Simatic S5-115U\/115H","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5951-7LB14 is a robust power supply unit designed specifically for the Simatic S5-115U and S5-115H programmable controller systems. As a core component of the PS 951 series, this module converts standard industrial AC line voltages into the stable, low-voltage DC power required for the rack backplane and associated I\/O or communication modules. It is engineered to provide consistent power delivery in demanding automation environments, ensuring reliable operation of the CPU and connected signal processing hardware.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for seamless integration with Simatic S5-115U and S5-115H rack-based systems.\u003c\/li\u003e\n\u003cli\u003eWide-range input capability supporting both 110\/120 V AC and 220\/240 V AC nominal grids.\u003c\/li\u003e\n\u003cli\u003eDelivers a stabilized 5 V DC output at 3 A to the system backplane.\u003c\/li\u003e\n\u003cli\u003eIntegrated battery backup compartment supports data retention for system memory during power interruptions.\u003c\/li\u003e\n\u003cli\u003eAluminum chassis construction for optimized thermal management and structural durability.\u003c\/li\u003e\n\u003cli\u003ePassive cooling design suitable for standard industrial control cabinet mounting.\u003c\/li\u003e\n\u003c\/ul\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\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 S5-115U \/ 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 Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e3 A\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\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 S5 rack.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage selection matches the local power grid requirements prior to energizing.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module's ventilation windows to prevent overheating during operation.\u003c\/li\u003e\n\u003cli\u003eEnsure the backplane connectors are fully seated and the module is securely fastened to the rack housing.\u003c\/li\u003e\n\u003cli\u003eHandle with care to avoid damage to the pins or the integrated battery compartment assembly.\u003c\/li\u003e\n\u003cli\u003eUse appropriate ESD precautions when handling the module to protect internal electronic components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eDoes this power supply include a battery?\u003c\/h3\u003e\u003cp\u003eThe unit features a compartment for a C-size Lithium battery (such as the CA-6EW1000-7AA) used for memory backup, though batteries are typically sold separately. Please check your specific shipment contents.\u003c\/p\u003e\u003ch3\u003eIs this module compatible with other S5 series racks?\u003c\/h3\u003e\u003cp\u003eThe 6ES5951-7LB14 is specifically designed for the S5-115U and S5-115H series. It is not intended for use with other S5 rack sizes or different Siemens controller families.\u003c\/p\u003e\u003ch3\u003eWhat is the primary function of the 3 A output?\u003c\/h3\u003e\u003cp\u003eThe 5 V DC \/ 3 A output provides the necessary logic power for the CPU and any communication or interface modules installed within the same S5 backplane segment.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51217569186044,"sku":"6ES5951-7LB14","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_facd7d98-416f-4eae-9c47-c8a2f54420d9.jpg?v=1788374097","url":"https:\/\/www.electronicplc.com\/ar\/products\/siemens-simatic-s5-6es5951-7lb14-ps-951-power-supply-module","provider":"Electronic PLC","version":"1.0","type":"link"}