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Siemens SIMATIC S7-400 PS 407 20 A Power Supply 6ES7407-0RA02-0AA0
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
Siemens • SIMATIC S7-400 PS 405/407 power supplies
6ES7407-0RA02-0AA0 SIMATIC S7-400 PS 407 20 A Power Supply
The SIMATIC S7-400 PS 407 is a wide-range power supply with a 20 A 5 V DC backplane output and a 24 V DC auxiliary output.
At a Glance
| Brand | Siemens |
|---|---|
| Model | 6ES7407-0RA02-0AA0 |
| Product Type | Wide-range S7-400 power supply module |
| Core Function | Supplies 5 V DC backplane power and 24 V DC auxiliary output for an S7-400 rack |
| Application or Compatible Series | SIMATIC S7-400 racks requiring a PS 407 20 A wide-range power supply |
Exact Identification
Match 6ES7407-0RA02-0AA0 character by character and confirm the complete SIMATIC S7-400 PS 407 20 A Power Supply designation.
Interface Arrangement
Confirm the installed supply, ports, field connections and required accessories before wiring the replacement.
Configuration Check
Preserve the approved engineering project, network parameters and application data used by the installed system.
Product Overview
The SIMATIC S7-400 PS 407 is a wide-range power supply with a 20 A 5 V DC backplane output and a 24 V DC auxiliary output.
The power supply accepts 120 or 230 V AC or DC nominal input. It provides up to 20 A at 5 V DC for the backplane bus without requiring a basic load. A 24 V DC output rated to 1 A is available and designed for no-load operation.
Key Functions
Wide-Range Input
The power supply accepts 120 or 230 V AC or DC nominal input.
S7-400 Backplane Supply
It provides up to 20 A at 5 V DC for the backplane bus without requiring a basic load.
Auxiliary 24 V Output
A 24 V DC output rated to 1 A is available and designed for no-load operation.
Official Specifications
| Required Rack Slots | 2 |
|---|---|
| Primary-to-Secondary Isolation | Yes |
| Overvoltage Category | II |
| Equipment Protection Class | I with protective conductor |
| Nominal AC Input | 120 or 230 V AC |
| Nominal DC Input | 120 or 230 V DC |
| Permitted Line Frequency | 47 to 63 Hz |
| Mains/Voltage Buffering | 20 ms |
| Nominal Input Current at 120 V | 1.4 A |
| Nominal Input Current at 230 V | 0.7 A |
| 5 V Backplane Output | 20 A maximum |
| 24 V Output | 1 A maximum |
| Short-Circuit Protection | Provided |
| Typical Active Power Consumption | 158 W |
| Typical Power Loss | 35 W |
| Operating Temperature | 0 to 60 °C |
| Electrical Connection | 3 x 1.5 mm² solid or stranded wire with end sleeve |
| Dimensions | 50 x 290 x 217 mm |
| Approximate Weight | 1300 g |
Frequently Asked Questions
Which input supplies can power 6ES7407-0RA02-0AA0?
Use the approved 120 or 230 V AC or DC nominal supply and keep the line frequency within 47 to 63 Hz.
How much 5 V backplane current can 6ES7407-0RA02-0AA0 provide?
The module is rated for up to 20 A on the 5 V DC backplane output.
Can 6ES7407-0RA02-0AA0 provide a 24 V auxiliary output?
Yes; the auxiliary output is rated up to 1 A and is designed for no-load operation.
How many rack slots are needed for 6ES7407-0RA02-0AA0?
Reserve two slots in the S7-400 rack.
What should be confirmed before replacing 6ES7407-0RA02-0AA0?
Verify the input voltage, rack position, output load, protective-earth connection and all field wiring.
What happens during a brief line interruption with 6ES7407-0RA02-0AA0?
The module provides a published 20 ms mains and voltage buffering time under its specified conditions.
What should be checked after installing 6ES7407-0RA02-0AA0?
Verify the 5 V backplane supply, 24 V output, status indications, protective conductor and CPU startup without diagnostics.
Compatibility & Ordering Notes
Compatibility Checklist
- Use only in a compatible S7-400 rack with two free slots.
- Match the installed input supply and all output load requirements.
- Retain the original protective-earth and conductor arrangement.
