Product Overview
Technical Summary
| Input voltage | 24 V DC, 48 V DC and 60 V DC |
|---|---|
| Output voltage | 5 V DC; DC output voltage type |
| Backplane bus output current | 5 V DC, maximum 20 A; no base load required |
| 24 V DC backplane bus output | Maximum 1 A; idling-proof |
| Mains failure stored energy time | 20 ms |
| Active power input | 168 W, typical |
| Power loss | 44 W, typical |
| Required slots | 2 |
| Potential separation | Primary/secondary: Yes |
| Equipment protection class | I, with protective conductor |
Key Features
Rated input values: 24 V DC, 48 V DC and 60 V DC.
5 V DC output for the backplane bus, maximum 20 A; no base load required.
Output current for the 24 V DC backplane bus: maximum 1 A; idling-proof.
Mains/voltage failure stored energy time: 20 ms. Mains buffering according to NAMUR recommendation: Yes.
Required slots: 2. Equipment protection class: I, with protective conductor.
Optional backup battery: 2x lithium AA; 3.6 V / 2.2 Ah.
Frequently Asked Questions
What is the exact power supply line item?
The exact line item is Siemens 6ES7405-0RA02-0AA0, SIMATIC S7-400 PS405 power supply.
Which DC input values does this PS405 support?
The rated DC input values are 24 V DC, 48 V DC and 60 V DC.
What output is available for the backplane bus?
The 5 V DC backplane bus output is maximum 20 A, with no base load required. The 24 V DC backplane bus output is maximum 1 A and idling-proof.
What configuration should I provide for a quotation request?
Provide the requested quantity, destination, schedule context and any additional BOM lines for quotation review.
