Product Overview
Technical Summary
| Product designation | SIMATIC S7-400 PS407 power supply |
|---|---|
| Input voltage | 120 V DC, 230 V DC, 120 V AC, 230 V AC |
| Output voltage | 5 V DC and 24 V DC |
| Backplane bus output current | 5 V DC, maximum 10 A; 24 V DC, maximum 1 A |
| Line frequency | 50 Hz and 60 Hz rated; 47 Hz to 63 Hz permissible range |
| Redundant use | Yes |
| Mains buffering | 20 ms stored energy time; according to NAMUR recommendation |
| Required slots | 2 |
| Short-circuit protection | Yes |
| Protection class | I, with protective conductor |
| Backup battery | Optional; 1x lithium AA; 3.6 V / 2.2 Ah |
| Product lifecycle | Active Product |
Key Features
- Product designation: SIMATIC S7-400, PS407 power supply; 10 A, wide range, UC 120/230V, 5 V DC/10 A, for redundant use.
- Rated input: 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
- Line frequency: Rated values: 50 Hz and 60 Hz; permissible range: 47 Hz to 63 Hz.
- Backplane bus output: 5 V DC, maximum 10 A, with no base load required; 24 V DC, maximum 1 A, idling-proof.
- Mains buffering: Stored energy time during mains/voltage failure: 20 ms; mains buffering according to NAMUR recommendation.
- Protection and installation: Short-circuit protection; 2 required slots; equipment protection class I, with protective conductor; optional 1x lithium AA backup battery, 3.6 V / 2.2 Ah.
Frequently Asked Questions
What identifies Siemens 6ES7407-0KR02-0AA0?
It identifies a SIMATIC S7-400 PS407 power supply with 10 A, wide-range UC 120/230V input, 5 V DC/10 A output, and redundant use.
Which specifications distinguish this exact power-supply variant?
Check the 120 V and 230 V AC or DC rated inputs, 5 V DC maximum 10 A backplane output, 24 V DC maximum 1 A output, 2 required slots, and optional lithium AA backup battery.
What quantity and destination should be provided for a quotation?
Provide the required quantity and destination together with the complete order number 6ES7407-0KR02-0AA0.
