Key Features
- Power supply for SIMATIC S7-400: PS407 power supply for the SIMATIC S7-400 family.
- Backplane bus output: 5 V DC / 10 A for the backplane bus, with no base load required.
- Redundant use: Suitable for redundant use and primary/secondary potential separation.
- Wide-range input: UC 120/230V input with 120 V DC, 230 V DC, 120 V AC, and 230 V AC rated values.
- Short-circuit protection: Short-circuit protection is included.
Applications
- Backplane bus power supply: Supplies the SIMATIC S7-400 backplane bus with 5 V DC / 10 A.
- Redundant power supply setup: Used in redundant power supply arrangements.
Technical Summary
| Product type | SIMATIC S7-400, Power supply PS407 |
|---|---|
| Output current for backplane bus (5 V DC), max. | 10 A; no base load required |
| Redundant use | for redundant use |
| Input voltage | UC 120/230V |
| Rated value (AC) | 120 V AC |
| Rated value (AC) 2 | 230 V AC |
| Rated value (DC) | 120 V DC |
| Rated value (DC) 2 | 230 V DC |
| Line frequency | Rated value 50 Hz |
| Line frequency 2 | Rated value 60 Hz |
| Mains/voltage failure stored energy time | 20 ms |
| Input current at 120 V AC | 0.9 A |
Frequently Asked Questions
What is Siemens 6ES7407-0KR02-0AA0 used for?
It is a SIMATIC S7-400 PS407 power supply for the backplane bus.
What output does the PS407 provide?
It provides 5 V DC / 10 A for the backplane bus.
Which input values are supported by 6ES7407-0KR02-0AA0?
It supports UC 120/230V, with rated values of 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
Is this power supply suitable for redundant use?
Yes, it is specified for redundant use.
What line frequency range is listed for this model?
Rated values of 50 Hz and 60 Hz are listed, with a permissible range from 47 Hz to 63 Hz.
