Product Overview
Technical Summary
| Product | SIMATIC S7-400 PS 405 power supply |
|---|---|
| Rated input | 24 V DC, 48 V DC, or 60 V DC |
| Output voltage | 5 V DC |
| Backplane bus output current | 4 A maximum for 5 V DC; no base load required |
| Required slots | 1 |
| Mains/voltage failure stored energy time | 20 ms |
| Input current | 2 A at 24 V DC; 1 000 mA at 48 V DC; 800 mA at 60 V DC |
| Active power input, typ. | 48 W |
| Power loss, typ. | 16 W |
| Backup battery | Optional; 2x lithium AA; 3.6 V / 2.2 Ah |
Key Features
24 V DC, 48 V DC, or 60 V DC.
4 A maximum for the backplane bus; no base load required.
0.5 A maximum; idling-proof.
20 ms stored energy time; mains buffering according to NAMUR recommendation.
Short-circuit protection, primary/secondary potential separation, overvoltage category II, and equipment protection class I with protective conductor.
Frequently Asked Questions
What is Siemens 6ES7405-0DA02-0AA0?
It is a SIMATIC S7-400 PS 405 power supply with 24/48/60 V DC rated input and 5 V DC/4 A output.
How much current is available for the 5 V DC backplane bus?
The maximum output current is 4 A, with no base load required.
What configuration details should accompany this line item in a quotation request?
Include the requested quantity, destination, schedule context, and any additional BOM lines.
Does this product include a backup battery?
The backup battery is optional: 2x lithium AA; 3.6 V / 2.2 Ah.
