{"id":6537,"date":"2026-07-09T14:33:43","date_gmt":"2026-07-09T06:33:43","guid":{"rendered":"https:\/\/atfits.com\/?post_type=product&p=6537"},"modified":"2026-07-09T14:33:56","modified_gmt":"2026-07-09T06:33:56","slug":"new-original-siemens-6es7-407-0ka02-0aa0-6es7407-0ka02-0aa0-simatic-s7-400-power-supply","status":"publish","type":"product","link":"https:\/\/atfits.com\/es\/producto\/new-original-siemens-6es7-407-0ka02-0aa0-6es7407-0ka02-0aa0-simatic-s7-400-power-supply\/","title":{"rendered":"New Original Siemens 6ES7 407-0KA02-0AA0 6ES7407-0KA02-0AA0 SIMATIC S7-400 Power supply"},"content":{"rendered":"
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Product Description for Siemens 6ES7407\u20110KA02\u20110AA0 SIMATIC S7\u2011400 Power\u2011Supply Module<\/h1>\n<\/div>\n
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1. Product Overview<\/h2>\n<\/div>\n
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6ES7407\u20110KA02\u20110AA0 is a new\u2011original Siemens load\u2011dependent power\u2011supply module for SIMATIC S7\u2011400 PLC rack system. It is installed on the central rack (CR) or expansion rack (ER) of S7\u2011400 backplane U\u2011rack. This unit converts input AC 120\/230 V mains power into stable DC 5\u202fV and DC 24\u202fV working power for CPU modules, communication processors, digital\u2011analog I\/O modules and interface modules on the S7\u2011400 back\u2011plane bus. It monitors internal operating status continuously and provides fault signals to S7\u2011400 CPU. This power\u2011supply module is an indispensable component for S7\u2011400 high\u2011end PLC stations applied in heavy\u2011duty industrial fields such as metallurgy, chemical industry, large\u2011scale production lines and power\u2011plant control systems. It adopts plug\u2011in installation on standard S7\u2011400 racks and cooperates with S7\u2011400 CPUs to build high\u2011reliability centralized automation control systems.<\/div>\n<\/div>\n
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2. Main Functions<\/h2>\n<\/div>\n
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  1. Power Conversion: Convert AC input voltage into regulated 5\u202fV DC back\u2011plane bus power and 24\u202fV DC auxiliary output for S7\u2011400 rack\u2011mounted modules.<\/li>\n
  2. Load Monitoring: Detect total current consumption of all modules on the rack. When the actual load exceeds rated capacity, the module triggers overload alarm and outputs fault signals.<\/li>\n
  3. Built\u2011in Diagnostic Indication: LED indicators display power\u2011on status, overload failure and internal hardware faults for on\u2011site visual checking. Fault messages can be uploaded to CPU and viewed via STEP7 software.<\/li>\n
  4. Surge and Ripple Suppression: Internal filtering circuits restrain voltage fluctuation and high\u2011frequency interference coming from mains supply to protect expensive S7\u2011400 CPU and I\u2011O modules.<\/li>\n
  5. Isolation Protection: Achieve galvanic isolation between AC input side and DC output side, preventing interference from field\u2011side high\u2011current equipment from damaging the back\u2011plane bus.<\/li>\n
  6. Voltage\u2011failure Detection: Identify mains\u2011power drop\u2011off in real\u2011time and send early warning signals to CPU to trigger safe shutdown procedures before power\u2011off.<\/li>\n
  7. Parallel\u2011running Compatibility: Multiple identical power\u2011supply modules can work in parallel to increase total power capacity for racks with a large number of S7\u2011400 modules.<\/li>\n<\/ol>\n<\/div>\n
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    3. Technical Characteristics<\/h2>\n<\/div>\n
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    Item<\/th>\nSpecific Parameters<\/th>\n<\/tr>\n<\/thead>\n
    Order Number<\/td>\n6ES7407\u20110KA02\u20110AA0<\/td>\n<\/tr>\n
    Product Model<\/td>\nPS407 10A Power\u2011Supply Module for S7\u2011400<\/td>\n<\/tr>\n
    Input Voltage<\/td>\nAC 120 V \/ 230 V auto\u2011selectable<\/td>\n<\/tr>\n
    Input Frequency<\/td>\n47 Hz\u201163 Hz<\/td>\n<\/tr>\n
    Rated 5 V\u2011DC Output Current<\/td>\n10 A for back\u2011plane bus<\/td>\n<\/tr>\n
    Auxiliary 24 V\u2011DC Output<\/td>\nMax 1 A for external small\u2011power devices<\/td>\n<\/tr>\n
    Power\u2011Supply Efficiency<\/td>\nUp to 85%<\/td>\n<\/tr>\n
    Over\u2011load Protection<\/td>\nAutomatic current limiting with fault LED alert<\/td>\n<\/tr>\n
    Short\u2011circuit Protection<\/td>\nShuts down DC output automatically under short\u2011circuit conditions; restarts after short\u2011circuit is cleared<\/td>\n<\/tr>\n
    Operating Ambient Temperature<\/td>\n0 \u2103 ~ +60 \u2103 inside control cabinet<\/td>\n<\/tr>\n
    Storage and Transportation Temperature<\/td>\n\u201140 \u2103 ~ +85 \u2103<\/td>\n<\/tr>\n
    Protection Class<\/td>\nIP20; only installed inside control cabinet<\/td>\n<\/tr>\n
    Vibration Standard<\/td>\nCompliant with IEC60068\u20112\u20116 industrial\u2011grade vibration test<\/td>\n<\/tr>\n
    EMC Compliance<\/td>\nEN61000\u20116\u20112, EN61000\u20116\u20113<\/td>\n<\/tr>\n
    Housing Material<\/td>\nUL94\u2011V0 flame\u2011retardant metal\u2011plastic composite housing<\/td>\n<\/tr>\n
    Certification<\/td>\nCE, UL approved; Made in Germany<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    4. Product Dimensions and Weight<\/h2>\n<\/div>\n
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    Physical Parameter<\/th>\nActual Value<\/th>\n<\/tr>\n<\/thead>\n
    Module Width<\/td>\n40 mm<\/td>\n<\/tr>\n
    Module Height<\/td>\n290 mm<\/td>\n<\/tr>\n
    Module Depth<\/td>\n130 mm<\/td>\n<\/tr>\n
    Net Weight of Single Power\u2011Supply Module<\/td>\nApproximately 720 g<\/td>\n<\/tr>\n
    Gross Weight with Original Factory Packing<\/td>\nAround 950 g<\/td>\n<\/tr>\n
    Installation Mode<\/td>\nPlug\u2011in type mounted on S7\u2011400 U\u2011rack back\u2011plane<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    5. Application Scope<\/h2>\n<\/div>\n
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    This PS407\u201110A power\u2011supply module serves exclusively for SIMATIC S7\u2011400 PLC systems. It is widely used in metallurgical production lines, petrochemical plants, large\u2011scale conveyor\u2011handling systems, cement manufacturing equipment, power\u2011generating units and ship\u2011board automation control cabinets, which require high\u2011stability power supply for high\u2011end PLC hardware.<\/div>\n<\/div>\n
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    6. 10 Siemens S7\u2011400 Power\u2011Supply Modules with Similar\u2011Function<\/h2>\n<\/div>\n
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    1. 6ES7407\u20110DA02\u20110AA0: PS407\u20114A power\u2011supply module with 4\u2011A 5\u202fV output for S7\u2011400 racks with fewer modules and low total power consumption.<\/li>\n
    2. 6ES7407\u20110KR02\u20110AA0: PS407\u201120A high\u2011current power\u2011supply module with 20\u2011A 5\u202fV output for heavily\u2011loaded racks full of CPUs and communication processors.<\/li>\n
    3. 6ES7405\u20110KA02\u20110AA0: PS405\u201110A 24VDC input power\u2011supply module powered by DC24\u2011V mains instead of AC power for DC\u2011supply workshop environments.<\/li>\n
    4. 6ES7407\u20110KA01\u20110AA0: Older firmware version of 6ES7407\u20110KA02\u20110AA0, used for replacement maintenance of legacy S7\u2011400 projects.<\/li>\n
    5. 6ES7407\u20110RA02\u20110AA0: Redundant\u2011design power\u2011supply variant with enhanced fault\u2011diagnosis function for hot\u2011standby S7\u2011400H high\u2011availability systems.<\/li>\n
    6. 6ES7405\u20110DA02\u20110AA0: PS405\u20114A DC\u2011input power\u2011supply module for small\u2011capacity expansion racks powered by DC\u201124\u2011V power source.<\/li>\n
    7. 6ES7407\u20110TA02\u20110AA0: Extended\u2011diagnosis power\u2011supply module which transmits detailed internal temperature and load\u2011ratio data to S7\u2011400 CPU.<\/li>\n
    8. 6ES7407\u20110AA02\u20110AA0: Low\u2011power\u2011consumption PS407 module designed for expansion racks without CPU installed.<\/li>\n
    9. 6ES7407\u20110LB02\u20110AA0: Low\u2011temperature\u2011adapted power\u2011supply module that can operate stably from \u201120 \u2103 to +60 \u2103 for outdoor\u2011placed control cabinets.<\/li>\n
    10. 6ES7405\u20110KR02\u20110AA0: PS405\u201120A DC\u2011input high\u2011current power\u2011supply module for S7\u2011400 systems in battery\u2011power\u2011supplied industrial sites.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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