{"product_id":"power-supply-siemens-simatic-s5-ps-950","title":"Siemens 6ES5950-3AA51 Simatic S5 PS 950 Power Supply Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens PS 950 (6ES5950-3AA51) is a specialized power supply module engineered for the Simatic S5-135U and S5-155U automation systems. This unit provides reliable, regulated DC power to the PLC backplane, ensuring stable operation of the CPU and associated I\/O modules. Designed for demanding industrial environments, the PS 950 effectively manages line fluctuations and provides robust protection against electrical disturbances, which is critical for maintaining process continuity in manufacturing and power generation applications.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for seamless integration with S5-135U and S5-155U chassis architectures.\u003c\/li\u003e\n\u003cli\u003eSelectable input voltage range (120 VAC \/ 230 VAC) for global compatibility.\u003c\/li\u003e\n\u003cli\u003eIntegrated overvoltage protection (OVP) with electronic crowbar circuitry to safeguard backplane components.\u003c\/li\u003e\n\u003cli\u003ePassive cooling design utilizing high-efficiency heat sinks to eliminate reliance on mechanical fans.\u003c\/li\u003e\n\u003cli\u003eFront-panel LED indicators for real-time monitoring of input power and secondary output status.\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\u003e6ES5950-3AA51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120 VAC \/ 230 VAC (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50-60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltages\u003c\/td\u003e\n\u003ctd\u003e5 VDC, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e10 A at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power Capacity\u003c\/td\u003e\n\u003ctd\u003e120 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\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 Method\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 inserting or removing the PS 950 module.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage selector switch matches the local supply voltage before applying power.\u003c\/li\u003e\n\u003cli\u003eInstall in a location that allows for adequate vertical clearance to facilitate natural convection cooling.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated in the dedicated S5 rack slot and secured to prevent vibration-induced disconnection.\u003c\/li\u003e\n\u003cli\u003eMaintain a clean environment to prevent dust accumulation on the heat sinks, which could impede thermal dissipation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this module compatible with S5-115U systems?\u003c\/strong\u003e\u003cbr\u003eNo, the PS 950 is specifically designed for the S5-135U and S5-155U rack systems. It is not physically or electrically compatible with the S5-115U series.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this unit require external cooling fans?\u003c\/strong\u003e\u003cbr\u003eNo, the PS 950 utilizes a passive cooling design with integrated heat sinks. It is designed to operate via natural convection, provided the installation guidelines regarding clearance are followed.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51088893935868,"sku":"6ES5950-3AA51","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_b64e7c45-8764-4206-a20c-70a7bffb33b8.jpg?v=1788024543","url":"https:\/\/www.electronicplc.com\/products\/power-supply-siemens-simatic-s5-ps-950","provider":"Electronic PLC","version":"1.0","type":"link"}