New Original Siemens 6ES7 407-0KA02-0AA0 6ES7407-0KA02-0AA0 SIMATIC S7-400 Power supply
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Product Description for Siemens 6ES7407‑0KA02‑0AA0 SIMATIC S7‑400 Power‑Supply Module
1. Product Overview
6ES7407‑0KA02‑0AA0 is a new‑original Siemens load‑dependent power‑supply module for SIMATIC S7‑400 PLC rack system. It is installed on the central rack (CR) or expansion rack (ER) of S7‑400 backplane U‑rack. This unit converts input AC 120/230 V mains power into stable DC 5 V and DC 24 V working power for CPU modules, communication processors, digital‑analog I/O modules and interface modules on the S7‑400 back‑plane bus. It monitors internal operating status continuously and provides fault signals to S7‑400 CPU. This power‑supply module is an indispensable component for S7‑400 high‑end PLC stations applied in heavy‑duty industrial fields such as metallurgy, chemical industry, large‑scale production lines and power‑plant control systems. It adopts plug‑in installation on standard S7‑400 racks and cooperates with S7‑400 CPUs to build high‑reliability centralized automation control systems.
2. Main Functions
- Power Conversion: Convert AC input voltage into regulated 5 V DC back‑plane bus power and 24 V DC auxiliary output for S7‑400 rack‑mounted modules.
- 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.
- Built‑in Diagnostic Indication: LED indicators display power‑on status, overload failure and internal hardware faults for on‑site visual checking. Fault messages can be uploaded to CPU and viewed via STEP7 software.
- Surge and Ripple Suppression: Internal filtering circuits restrain voltage fluctuation and high‑frequency interference coming from mains supply to protect expensive S7‑400 CPU and I‑O modules.
- Isolation Protection: Achieve galvanic isolation between AC input side and DC output side, preventing interference from field‑side high‑current equipment from damaging the back‑plane bus.
- Voltage‑failure Detection: Identify mains‑power drop‑off in real‑time and send early warning signals to CPU to trigger safe shutdown procedures before power‑off.
- Parallel‑running Compatibility: Multiple identical power‑supply modules can work in parallel to increase total power capacity for racks with a large number of S7‑400 modules.
3. Technical Characteristics
表格
| Item | Specific Parameters |
|---|---|
| Order Number | 6ES7407‑0KA02‑0AA0 |
| Product Model | PS407 10A Power‑Supply Module for S7‑400 |
| Input Voltage | AC 120 V / 230 V auto‑selectable |
| Input Frequency | 47 Hz‑63 Hz |
| Rated 5 V‑DC Output Current | 10 A for back‑plane bus |
| Auxiliary 24 V‑DC Output | Max 1 A for external small‑power devices |
| Power‑Supply Efficiency | Up to 85% |
| Over‑load Protection | Automatic current limiting with fault LED alert |
| Short‑circuit Protection | Shuts down DC output automatically under short‑circuit conditions; restarts after short‑circuit is cleared |
| Operating Ambient Temperature | 0 ℃ ~ +60 ℃ inside control cabinet |
| Storage and Transportation Temperature | ‑40 ℃ ~ +85 ℃ |
| Protection Class | IP20; only installed inside control cabinet |
| Vibration Standard | Compliant with IEC60068‑2‑6 industrial‑grade vibration test |
| EMC Compliance | EN61000‑6‑2, EN61000‑6‑3 |
| Housing Material | UL94‑V0 flame‑retardant metal‑plastic composite housing |
| Certification | CE, UL approved; Made in Germany |
4. Product Dimensions and Weight
表格
| Physical Parameter | Actual Value |
|---|---|
| Module Width | 40 mm |
| Module Height | 290 mm |
| Module Depth | 130 mm |
| Net Weight of Single Power‑Supply Module | Approximately 720 g |
| Gross Weight with Original Factory Packing | Around 950 g |
| Installation Mode | Plug‑in type mounted on S7‑400 U‑rack back‑plane |
5. Application Scope
This PS407‑10A power‑supply module serves exclusively for SIMATIC S7‑400 PLC systems. It is widely used in metallurgical production lines, petrochemical plants, large‑scale conveyor‑handling systems, cement manufacturing equipment, power‑generating units and ship‑board automation control cabinets, which require high‑stability power supply for high‑end PLC hardware.
6. 10 Siemens S7‑400 Power‑Supply Modules with Similar‑Function
- 6ES7407‑0DA02‑0AA0: PS407‑4A power‑supply module with 4‑A 5 V output for S7‑400 racks with fewer modules and low total power consumption.
- 6ES7407‑0KR02‑0AA0: PS407‑20A high‑current power‑supply module with 20‑A 5 V output for heavily‑loaded racks full of CPUs and communication processors.
- 6ES7405‑0KA02‑0AA0: PS405‑10A 24VDC input power‑supply module powered by DC24‑V mains instead of AC power for DC‑supply workshop environments.
- 6ES7407‑0KA01‑0AA0: Older firmware version of 6ES7407‑0KA02‑0AA0, used for replacement maintenance of legacy S7‑400 projects.
- 6ES7407‑0RA02‑0AA0: Redundant‑design power‑supply variant with enhanced fault‑diagnosis function for hot‑standby S7‑400H high‑availability systems.
- 6ES7405‑0DA02‑0AA0: PS405‑4A DC‑input power‑supply module for small‑capacity expansion racks powered by DC‑24‑V power source.
- 6ES7407‑0TA02‑0AA0: Extended‑diagnosis power‑supply module which transmits detailed internal temperature and load‑ratio data to S7‑400 CPU.
- 6ES7407‑0AA02‑0AA0: Low‑power‑consumption PS407 module designed for expansion racks without CPU installed.
- 6ES7407‑0LB02‑0AA0: Low‑temperature‑adapted power‑supply module that can operate stably from ‑20 ℃ to +60 ℃ for outdoor‑placed control cabinets.
- 6ES7405‑0KR02‑0AA0: PS405‑20A DC‑input high‑current power‑supply module for S7‑400 systems in battery‑power‑supplied industrial sites.
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WHO WE ARE
Sobre nosotros
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
Where is your company located?
We are located next to Shanghai, the largest city in China, and Kunshan, the first economic county in China. With convenient transportation and developed logistics, it provides a good geographical advantage for our electronic components sales business.
What types of electronic components does your company mainly sell?
We are committed to providing many types and brands of electronic components, including but not limited to Sensors, Switches & Relays, Connectors, Circuit Protectio, Power Supplier & Cable, etc. We have established relationships with many well-known electronic component manufacturers. We have established long-term and stable relationships with many well-known electronic component manufacturers to ensure that the products we sell are of reliable quality and reasonable price.
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Our product prices vary according to market conditions and product models. We are committed to providing high quality electronic components at fair and reasonable prices, and offer our customers a variety of incentives and flexible purchasing methods.
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You can contact our customer service staff directly by phone, whatsapp, email, our official website. We support a variety of payment methods, and provide you with fast and safe logistics and distribution services.
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We attach great importance to product quality, all the electronic components we sell come from regular channels and undergo strict quality testing. We promise to provide customers with high-quality electronic components, and provide perfect after-sales service to ensure that customers have no worries in the process of use.
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We provide perfect after-sales service, if you are not satisfied with the purchased electronic components, you can return or exchange them within the specified time. Please refer to our official website or consult our customer service staff for the specific return policy and process.
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We have a professional technical team that can provide technical support and solutions for our customers. Whether you encounter any problems in choosing or using the products, we will be happy to answer your questions and provide professional technical support.
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You can contact our customer service personnel through the online customer service system on our official website, telephone, e-mail or social media platforms. Our customer service staff will provide you with professional services and answer any questions you may have.
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In order to give back to our customers, we will organize various promotions from time to time, including discounts, full reductions, giveaways and so on. Please keep an eye on our official website or social media platforms to stay up-to-date with the latest promotions.
