Product Overview
Technical Summary
| Product | Siemens 6ES7405-0KA02-0AA0, SIMATIC S7-400 PS405 power supply |
|---|---|
| Input voltage | 24 V DC, 48 V DC or 60 V DC |
| Backplane bus output | 5 V DC, max. 10 A; 24 V DC, max. 1 A |
| Mains buffering | 20 ms stored energy time; according to NAMUR recommendation |
| Required slots | 2 |
| Output protection | Short-circuit protection: Yes |
| Power loss | 20 W, typ. |
| Protection class | I, with protective conductor |
Key Features
Rated input values: 24 V DC, 48 V DC and 60 V DC.
Backplane bus output: 5 V DC, max. 10 A; no base load required.
Backplane bus output: 24 V DC, max. 1 A; idling-proof.
Stored energy time during mains or voltage failure: 20 ms; mains buffering according to NAMUR recommendation.
Required slots: 2. Equipment protection class: I, with protective conductor.
Backup battery is optional: 2x lithium AA; 3.6 V / 2.2 Ah.
Frequently Asked Questions
What is the exact product identity?
It is the Siemens 6ES7405-0KA02-0AA0 SIMATIC S7-400 PS405 power supply.
What input voltages does the PS405 support?
Rated input values are 24 V DC, 48 V DC and 60 V DC.
What are the backplane bus output ratings?
The 5 V DC output is max. 10 A with no base load required, and the 24 V DC output is max. 1 A and idling-proof.
What configuration details should be included in a quotation request?
Include the requested quantity, destination, schedule context and any additional BOM lines.
