Industrial Power Management Solution – Siemens 6ES7407-0KA01-0AA0 | PS 407 S7-400
The Siemens 6ES7407-0KA01-0AA0 is the PS 407 10A power supply module engineered for the SIMATIC S7-400 programmable logic controller platform. Designed for continuous-duty industrial environments, this module delivers stable, regulated 24 VDC output to the S7-400 central rack, ensuring uninterrupted control system operation across demanding process and manufacturing applications.
Where This Product Is Used
- Process Automation: Chemical plants, oil & gas refineries, and water treatment facilities requiring 24/7 reliable power to S7-400 racks.
- Automotive Manufacturing: Body-in-white welding lines, paint shop conveyors, and powertrain assembly cells powered by S7-400 PLCs.
- Power Generation & Utilities: Turbine control panels, substation automation, and grid management systems.
- Pharmaceutical Production: GMP-compliant batch control systems where power stability is critical to process validation.
- Heavy Industry: Steel mills, mining conveyors, and cement plant kiln control systems.
- Building Automation: Large-scale HVAC, fire suppression, and access control integrated with S7-400 infrastructure.
Technical Specifications
| Part Number | 6ES7407-0KA01-0AA0 |
| Series | SIMATIC S7-400 / PS 407 |
| Manufacturer | Siemens AG |
| Module Type | Power Supply Module (PS) |
| Output Current | 10 A |
| Output Voltage | 24 VDC (backplane bus) |
| Input Voltage | 120/230 VAC, 50/60 Hz (wide-range) |
| Power Rating | 240 W |
| Mounting | S7-400 Central Rack (UR1, UR2, ER1, ER2) |
| Slot Position | Slot 1 (leftmost position) |
| Protection Class | IP20 |
| Operating Temperature | 0 °C to +60 °C |
| Dimensions (W×H×D) | 50 × 290 × 210 mm |
| Weight | Approx. 1.5 kg |
| Certifications | CE, UL, cUL, FM |
Why Engineers Specify This Model
- High Output Current: 10 A continuous output supports fully populated S7-400 racks with CPU, I/O, and communication modules simultaneously.
- Wide-Range AC Input: Accepts 120 V and 230 VAC without manual switching — ideal for global deployments and multi-site standardization.
- Integrated Diagnostics: On-board LED status indicators and INTF/EXTF fault outputs enable rapid fault isolation without additional instrumentation.
- Hot-Swap Capable: Supports replacement under power in redundant rack configurations, minimizing planned downtime.
- Long Service Life: Siemens industrial-grade components rated for extended MTBF in continuous industrial duty cycles.
- Direct Rack Integration: Plug-and-play installation into any S7-400 rack slot 1 — no additional wiring harness required.
Complete System Bill of Materials
The 6ES7407-0KA01-0AA0 operates within the SIMATIC S7-400 ecosystem. Typical companion components include:
- Racks: 6ES7400-1JA01-0AA0 (UR1), 6ES7401-2TA01-0AA0 (ER2)
- CPUs: 6ES7412-2XJ05-0AB0 (CPU 412-2), 6ES7414-3XM05-0AB0 (CPU 414-3)
- Digital I/O: 6ES7421-1BL01-0AA0 (DI 32×24VDC), 6ES7422-1BL00-0AA0 (DO 32×24VDC)
- Analog I/O: 6ES7431-1KF20-0AB0 (AI 8×13Bit), 6ES7432-1HF00-0AB0 (AO 8×12Bit)
- Communications: 6GK7443-1EX30-0XE0 (CP 443-1 Ethernet), 6ES7460-1BA01-0AB0 (IM 460 Send)
- Backup Battery: 6ES7971-0BA00 (Lithium battery for CPU memory retention)
Compliance & Industry Standards
- CE Marking: Compliant with EU Low Voltage Directive 2014/35/EU and EMC Directive 2014/30/EU.
- UL / cUL Listed: Recognized under UL 508 (Industrial Control Equipment) for North American markets.
- FM Approved: Factory Mutual approval for use in applicable hazardous location classifications.
- IEC 61131-2: Meets programmable controller hardware requirements per international standard.
- RoHS Compliant: Restriction of Hazardous Substances per EU Directive 2011/65/EU.
- ATEX / IECEx: Consult Siemens documentation for zone-specific hazardous area variants.
Quality Assurance & Sourcing
At Konmask.com, every Siemens module undergoes a structured verification process before shipment:
- Step 1 – Documentation Review: Factory certificates, date codes, and country-of-origin markings are cross-referenced against Siemens production records.
- Step 2 – Physical Inspection: Housing, label printing, connector pins, and PCB markings are inspected against genuine Siemens reference units.
- Step 3 – Functional Bench Test: Output voltage, current regulation, and protection circuit activation are verified under load conditions.
- Step 4 – Secure Packaging: Anti-static packaging with desiccant, individual serial number logging, and tamper-evident sealing prior to dispatch.
We source directly from authorized Siemens distribution channels and verified industrial surplus networks with full traceability documentation available on request.
How to Source This Part
- Submit an Inquiry: Email support@konmask.com with your required quantity, delivery timeline, and destination country.
- Receive a Quotation: We respond within 1 business day with pricing, lead time, and available stock confirmation.
- Order Confirmation: Approve the proforma invoice; we confirm allocation and initiate quality inspection.
- Shipment & Tracking: Orders ship via DHL Express, FedEx International, or sea freight with full tracking and commercial invoice documentation.
- After-Sales Support: Our technical team is available post-delivery for installation guidance and warranty claim assistance.
Application-Specific FAQ
Q: Can the 6ES7407-0KA01-0AA0 power a fully loaded S7-400 rack?
A: Yes. The 10 A output is sufficient to power a fully populated UR1 or UR2 rack including CPU, multiple I/O modules, and a CP communication module under normal operating conditions. Always verify total rack current consumption against the 10 A rating using Siemens STEP 7 hardware configuration tool.
Q: Is this module compatible with S7-400H redundant systems?
A: Yes. The PS 407 10A can be used in S7-400H redundant configurations. Each rack in the redundant pair requires its own PS 407 module. Refer to Siemens manual A5E00069866 for H-system power supply design guidelines.
Q: What is the difference between 6ES7407-0KA01-0AA0 and 6ES7407-0KA02-0AA0?
A: The -0KA02 is a later hardware revision with minor component updates. Both are functionally equivalent and interchangeable in standard S7-400 applications. Konmask.com can supply either revision — specify your preference when ordering.
Q: Do you provide Siemens certificates of conformity?
A: Yes. Factory certificates and test reports are available for verified-new units. For refurbished or surplus stock, we provide our own inspection report. Contact us to confirm documentation availability for your specific order.
Q: Can you ship to my country?
A: Konmask.com ships globally via DHL, FedEx, and sea freight. We prepare full export documentation including commercial invoice, packing list, and HS code declaration. Contact us for country-specific lead times and shipping cost estimates.
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