{"product_id":"siemens-simatic-s7-1500-system-power-supply-buffer-functionality","title":"Siemens Simatic S7-1500 System power supply, buffer functionality","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 6ES7505-0RB00-0AB0 is a **PS 60W 24\/48\/60 V DC HF system power supply module** for the SIMATIC S7-1500 automation platform. It delivers regulated DC power to the S7-1500 backplane bus and includes integrated buffering to maintain CPU RAM data during short power interruptions. With broad DC input compatibility, high EMC robustness, and built-in protection features, it ensures stable system power for industrial automation environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSystem power supply module for SIMATIC S7-1500\u003c\/li\u003e\n\u003cli\u003e60 W backplane power output\u003c\/li\u003e\n\u003cli\u003eWide DC input range: 24 V, 48 V, or 60 V DC\u003c\/li\u003e\n\u003cli\u003eIntegrated buffer duration of approx. 20 ms for CPU RAM retention\u003c\/li\u003e\n\u003cli\u003eReverse-polarity, short-circuit, and surge protection\u003c\/li\u003e\n\u003cli\u003eHigh EMC immunity suitable for industrial environments\u003c\/li\u003e\n\u003cli\u003eLED status indicator for supply and diagnostics\u003c\/li\u003e\n\u003cli\u003eDIN-rail \/ S7-rack compatible mounting\u003c\/li\u003e\n\u003cli\u003eCompact form suitable for control-cabinet installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 6ES7505-0RB00-0AB0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e PS 60W 24\/48\/60 V DC HF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 24 V \/ 48 V \/ 60 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage Range (permitted):\u003c\/strong\u003e approx. 19.2 V … 72 V DC (static), extended dynamic range to approx. 18.5 V … 75.5 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Output Power:\u003c\/strong\u003e 60 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current (typical):\u003c\/strong\u003e 3 A at 24 V; 1.5 A at 48 V; 1.2 A at 60 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush Current:\u003c\/strong\u003e ≤ 8 A (≤ 1 s)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loss:\u003c\/strong\u003e approx. 12 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuffer Time:\u003c\/strong\u003e approx. 20 ms (CPU RAM retention on power failure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Functions:\u003c\/strong\u003e Reverse-polarity protection, short-circuit protection, surge\/overvoltage protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Rating:\u003c\/strong\u003e Tested to approx. 2.5 kV DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDegree of Protection:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN-rail \/ S7-rack compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e LED for power\/diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for SIMATIC S7-1500 industrial automation systems\u003c\/li\u003e\n\u003cli\u003eMeets industrial EMC and surge-immunity requirements\u003c\/li\u003e\n\u003cli\u003eSuitable for use in protected control-cabinet environments\u003c\/li\u003e\n\u003cli\u003eIncludes standard low-voltage protective measures for safe operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis power supply module is used to energize the backplane bus of S7-1500 PLC racks, ensuring stable operation of CPUs and I\/O modules. It is suitable for factory automation systems, machine controllers, process control cabinets, distributed automation racks, and installations requiring reliable DC power with short-duration buffering for data retention.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775039909952,"sku":"6ES7505-0RB00-0AB0","price":16611.11,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/6ES7505-0RB00-0AB0.jpg?v=1764765340","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-simatic-s7-1500-system-power-supply-buffer-functionality","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}