Siemens 6ES7407-0KA02-0AA0 Power Supply Module
Warranty: 1 year
Condition : brand new in factory sealed box
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Detail
- Product NameSiemens 6ES7407-0KA02-0AA0 Power Supply Module
- Item NO.6ES7407-0KA02-0AA0
- Weight1.3300 kg = 2.9321 lb = 46.9144 oz
- CategoryPLC
- BrandSiemens
- Creation Time2025-11-06
- Siemens Power Supply Module
6ES7407-0KA02-0AA0
Overview
6ES7407-0KA02-0AA0 is a PS407 power supply module from Siemens' SIMATIC S7-400 PLC system. It provides reliable power to the S7-400 backplane bus, delivering 5 V DC / 10 A for CPU and I/O modules, plus 24 V DC / 1 A for auxiliary loads.
The module features a wide-range input accepting AC 85-264 V or DC 88-300 V, making it suitable for global industrial installations. It includes a battery backup slot (AA lithium, 3.6 V / 2.2 Ah) for memory retention during power outages.
The PS407 is a key component of the S7-400 platform, occupying 2 slots in the rack with a width of 50 mm. It is the successor to the 6ES7407-0KA01-0AA0 and remains in active product lifecycle status (PM300).
- Siemens SIMATIC S7-400 Series
- PS407 Power Supply
- 5 V DC / 10 A output
- Wide range: AC 85-264 V / DC 88-300 V
- PM300: Active Product
Specifications
Electrical specifications
| Manufacturer | Siemens |
| Model | 6ES7407-0KA02-0AA0 |
| Product type | PS407 Power Supply Module |
| Series | SIMATIC S7-400 |
| Input voltage (AC) | 85-264 V AC (rated 120/230 V) |
| Input voltage (DC) | 88-300 V DC (rated 120/230 V) |
| Frequency range | 47-63 Hz |
| Output 5 V DC (max) | 10 A (no basic load required) |
| Output 24 V DC (max) | 1 A (short-circuit proof) |
| Power buffer time | ≥ 20 ms (NAMUR compliant) |
| Inrush current (max) | 63 A (half-width 1 ms) |
| Leakage current (max) | 5 mA |
| Active power (typical) | 95 W |
| Power loss (typical) | 20 W |
Physical & environmental
| Rack slot requirement | 2 slots |
| Protection rating | IP20 |
| Operating temperature | 0°C to +60°C |
| Storage temperature | -40°C to +85°C |
| Battery backup | Optional; 1x AA lithium (3.6 V / 2.2 Ah) |
| Connector type | 3×1.5 mm² pluggable terminal block |
| Galvanic isolation | Primary/secondary isolated |
| Certifications | CE, UL, CSA, FM, cULus, DNV, LR, NK |
Features
Power supply capabilities
- Dual output — Provides 5 V DC / 10 A for the S7-400 backplane bus and 24 V DC / 1 A for auxiliary loads.
- Wide-range input — Accepts AC 85-264 V or DC 88-300 V, eliminating the need for voltage selectors and simplifying global deployment.
- 20 ms power buffer — Bridges brief power interruptions, complying with NAMUR recommendations for reliable operation.
Diagnostics & protection
- Battery backup — Optional AA lithium battery retains RAM data during power outages; supports 2 batteries for extended retention.
- Short-circuit protection — Both 5 V and 24 V outputs are short-circuit proof, preventing damage to connected modules.
- LED status indicators — Clear visual indication of input power, output status, and battery health.
Applications
The PS407 power supply is used in SIMATIC S7-400 based automation systems across various industries.
Lifecycle
Active PM300: Active product — fully supported
Product status: The 6ES7407-0KA02-0AA0 is classified as PM300 (Active Product) in Siemens' product lifecycle management. It remains fully supported with continued availability and service from Siemens.
Spare parts & support: Replacement units and accessories are available through Siemens' standard support channels and authorized distributors. The S7-400 platform continues to be supported for existing installations.
Replacement & migration:
- This PS407 is the successor to 6ES7407-0KA01-0AA0 and supersedes the older version.
- For new projects, consider the SIMATIC S7-1500 platform for long-term investment protection, though migration requires a full system redesign.
- The PS407 is not compatible with third-party power supplies due to the unique 5 V backplane requirement and rack integration.
Recommendation: For new S7-400 installations, the 6ES7407-0KA02-0AA0 remains the recommended power supply. For new projects, consider the S7-1500 platform for long-term availability.
FAQ – Frequently Asked Questions
Yes, this module is classified as PM300 (Active Product) and remains in active production and support.
It supports AC 85-264 V (rated 120/230 V) and DC 88-300 V (rated 120/230 V), making it suitable for worldwide use.
It provides 5 V DC / 10 A for the S7-400 backplane bus and 24 V DC / 1 A for auxiliary loads.
The battery is optional and must be ordered separately. It uses a 3.6 V / 2.2 Ah AA lithium battery.
0KR02 is the redundant version of the PS407, designed for high-availability applications requiring dual power supplies. The 0KA02 is the standard version.
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