{"product_id":"siemens-6es7405-0ka02-0aa0-ps405-10a-power-supply","title":"Siemens 6ES7405-0KA02-0AA0 PS405 10A Power Supply","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 6ES7405-0KA02-0AA0 is a PS405 wide-range power supply module for the SIMATIC S7-400 automation platform. It converts 24\/48\/60 V DC line voltage into the 5 V DC and 24 V DC operating voltages required by S7-400 modules via the backplane bus.\u003c\/p\u003e\n\u003ch3\u003eCore Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput voltage:\u003c\/strong\u003e 24\/48\/60 V DC (wide range 19.2 to 72 V DC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput current:\u003c\/strong\u003e 10 A @ 5 V DC, 1 A @ 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMains buffering:\u003c\/strong\u003e 20 ms per NAMUR recommendation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput current:\u003c\/strong\u003e 4 A @ 24 V DC, 2 A @ 48 V DC, 1.6 A @ 60 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush current:\u003c\/strong\u003e Max 18 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower loss:\u003c\/strong\u003e Typical 20 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Far left of rack (slots 1 to 3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.335 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide-range DC input accepts 24, 48, or 60 V DC without voltage selector switch\u003c\/li\u003e\n\u003cli\u003eLED indicators for internal faults, 5 V DC, 24 V DC, and battery status\u003c\/li\u003e\n\u003cli\u003eBattery compartment for optional backup batteries (two recommended for 10 A supplies)\u003c\/li\u003e\n\u003cli\u003eOn\/off switch and fault acknowledgment pushbutton on front panel\u003c\/li\u003e\n\u003cli\u003eNAMUR-compliant mains buffering for reliable operation during voltage dips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many power supplies are needed per rack?\u003c\/strong\u003e One power supply module is required per rack; with current-transfer interfaces, the central controller supply also powers expansion units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the backup battery included?\u003c\/strong\u003e No, the battery must be ordered separately; two batteries are recommended for 10 A power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the difference between PS405 and PS407?\u003c\/strong\u003e The PS405 accepts DC input (24\/48\/60 V DC); the PS407 accepts AC input (85-264 V AC).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSwitch off the rack power supply before installation.\u003c\/li\u003e\n\u003cli\u003eInsert the module into the leftmost slots (1 to 3) of the S7-400 rack.\u003c\/li\u003e\n\u003cli\u003eConnect the DC input voltage to the supply terminals.\u003c\/li\u003e\n\u003cli\u003eInstall the backup battery if required for power failure buffering.\u003c\/li\u003e\n\u003cli\u003eSwitch on the power supply and verify the 5 V DC LED illuminates.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect the PS405 for DC-powered S7-400 installations; choose PS407 for AC-powered racks.\u003c\/li\u003e\n\u003cli\u003eCalculate total backplane load: 10 A at 5 V DC supports fully loaded 16-slot racks.\u003c\/li\u003e\n\u003cli\u003eFor extreme environments, consider the SIPLUS variant 6AG1405-0KA02-2AA0 rated for -25 to +60 °C.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43833201918019,"sku":"6ES7405-0KA02-0AA0","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/6ES7405-0KA02-0AA0_2_1a1250c0-ac46-4990-8953-a389cd6521f7.jpg?v=1789465968","url":"https:\/\/www.plcdcspro.com\/products\/siemens-6es7405-0ka02-0aa0-ps405-10a-power-supply","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}