{"product_id":"6es5-955-5lb11-siemens-simatic-s5-plc-power-supply","title":"Siemens 6ES5955-5LB11 Simatic S5 Power Supply Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5955-5LB11 is a robust power supply module designed specifically for the Simatic S5-135U and S5-155U programmable logic controller systems. This unit provides stable, regulated DC power to the system backplane, ensuring consistent operation in demanding industrial environments. By maintaining precise voltage levels, it supports the reliability of central processing units and I\/O modules, helping to prevent unplanned downtime in critical applications such as automotive manufacturing, petrochemical processing, and infrastructure management.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for seamless integration with S5-135U and S5-155U rack systems.\u003c\/li\u003e\n\u003cli\u003eSelectable input voltage range for flexibility in global power environments.\u003c\/li\u003e\n\u003cli\u003eIntegrated protection circuitry against short-circuits and overvoltage conditions.\u003c\/li\u003e\n\u003cli\u003eFront-panel LED indicators for immediate monitoring of input power and output status.\u003c\/li\u003e\n\u003cli\u003eHigh-capacity filtering to mitigate grid-borne electrical noise and voltage transients.\u003c\/li\u003e\n\u003cli\u003eNatural convection cooling design for maintenance-free operation.\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\u003e6ES5 955-5LB11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e115 VAC \/ 230 VAC (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003e47 to 63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC and 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e10 A at 5 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\u003c\/td\u003e\n\u003ctd\u003eNatural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the PLC rack is powered down before installing or removing the power supply module.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage selection switch matches the local supply voltage before applying power.\u003c\/li\u003e\n\u003cli\u003eMount the module securely in the designated power supply slot of the S5 rack to ensure proper backplane connection.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to allow for natural convection cooling; do not obstruct ventilation paths.\u003c\/li\u003e\n\u003cli\u003eUse appropriate ESD precautions when handling the module to prevent damage to internal electronic components.\u003c\/li\u003e\n\u003cli\u003eEnsure all wiring is routed away from high-EMI sources to maintain signal and power integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat systems is the 6ES5955-5LB11 compatible with?\u003c\/h3\u003e\u003cp\u003eThis power supply is specifically engineered for use with the Siemens Simatic S5-135U and S5-155U PLC platforms.\u003c\/p\u003e\u003ch3\u003eHow is the input voltage configured?\u003c\/h3\u003e\u003cp\u003eThe module features a selectable input switch allowing it to operate on either 115 VAC or 230 VAC power sources.\u003c\/p\u003e\u003ch3\u003eWhat protection features are included?\u003c\/h3\u003e\u003cp\u003eThe unit includes built-in short-circuit and overvoltage protection to safeguard the connected CPU and I\/O modules from electrical faults.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51027873562876,"sku":"6ES5955-5LB11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_410d3b7f-c52e-4f7d-be20-e5801a2d9c14.jpg?v=1787937429","url":"https:\/\/www.electronicplc.com\/es\/products\/6es5-955-5lb11-siemens-simatic-s5-plc-power-supply","provider":"Electronic PLC","version":"1.0","type":"link"}