{"product_id":"6es5-955-5lb11-siemens-simatic-s5-plc-power-supply","title":"Siemens 6ES5955-5LB11 Simatic S5 Power Supply Module","description":"\u003cp\u003eThe Siemens 6ES5955-5LB11 is a robust power supply unit specifically designed for the Simatic S5-135U and S5-155U programmable logic controller systems. This module serves as a critical component in maintaining stable power distribution across the PLC backplane, ensuring consistent operation in demanding industrial environments where electrical stability is paramount.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for integration with Siemens S5-135U and S5-155U automation racks.\u003c\/li\u003e\n\u003cli\u003eSelectable input voltage range (115 VAC or 230 VAC) for versatile field application.\u003c\/li\u003e\n\u003cli\u003eIntegrated protection circuitry guarding against short-circuit and overvoltage conditions.\u003c\/li\u003e\n\u003cli\u003eFront-mounted diagnostic LEDs for immediate visual monitoring of input status and output voltage health.\u003c\/li\u003e\n\u003cli\u003eEngineered for high-reliability operation in harsh industrial sectors, including manufacturing and process control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis power supply module is intended for use in legacy Simatic S5 automation systems. It is commonly deployed in heavy industrial environments such as water treatment facilities, automotive production lines, and chemical processing plants where maintaining uptime for the S5 controller rack is essential for process continuity.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\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\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\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 power source is fully disconnected before attempting to install or remove the module from the rack.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage selection matches the local supply grid (115V or 230V) prior to energizing the unit.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to allow for natural convection cooling; do not obstruct the ventilation paths.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is securely seated in the rack backplane to prevent intermittent connection issues.\u003c\/li\u003e\n\u003cli\u003eHandle with standard ESD precautions to protect internal electronics during installation.\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 designed for the Siemens Simatic S5-135U and S5-155U PLC platforms.\u003c\/p\u003e\u003ch3\u003eIs this module field-selectable for different input voltages?\u003c\/h3\u003e\u003cp\u003eYes, the unit supports selectable input voltages of 115 VAC or 230 VAC to accommodate different facility power requirements.\u003c\/p\u003e\u003ch3\u003eWhat is the primary function of the front panel LEDs?\u003c\/h3\u003e\u003cp\u003eThe LEDs provide real-time diagnostic feedback regarding the presence of input power and the status of the regulated output voltage rails.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":48832092733630,"sku":"6ES5955-5LB11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_dc645d09-ea7a-437d-a0ea-ddcbdca14818.jpg?v=1788367995","url":"https:\/\/www.autooiltech.com\/products\/6es5-955-5lb11-siemens-simatic-s5-plc-power-supply","provider":"AutoOilTech Limited","version":"1.0","type":"link"}