Key Features
- Power supply for SIMATIC S7-400: Power supply PS407 for the S7-400 backplane bus.
- Wide-range input: UC 120/230V input with 120 V AC, 230 V AC, 120 V DC, and 230 V DC rated values.
- Backplane bus output: 5 V DC/10 A for the backplane bus, no base load required.
- Additional DC output: 24 V DC/1 A output, idling-proof.
- Protection and buffering: Short-circuit protection and mains buffering according to NAMUR recommendation.
- Optional backup battery: Backup battery optional: 1x lithium AA; 3.6 V / 2.2 Ah.
Applications
- S7-400 backplane bus power supply: Supplies the SIMATIC S7-400 backplane bus with 5 V DC/10 A.
- Additional 24 V DC supply: Provides 24 V DC/1 A output for a DC load.
Technical Summary
| Product type | SIMATIC S7-400, Power supply PS407 |
|---|---|
| Wide-range input | UC 120/230V |
| Rated value (AC) | 120 V AC |
| Rated value (AC), alternate | 230 V AC |
| Rated value (DC) | 120 V DC |
| Rated value (DC), alternate | 230 V DC |
| Line frequency | Rated value 50 Hz |
| Line frequency, alternate | Rated value 60 Hz |
| Input current at 120 V AC | 0.9 A |
| Input current at 230 V AC | 0.5 A |
| Backplane bus output | 5 V DC |
| Backplane bus output current | 10 A; no base load required |
| Additional output | 24 V DC |
| Additional output current | 1 A; idling-proof |
| Active power input, typ. | 95 W |
| Power loss, typ. | 20 W |
| Mains/voltage failure stored energy time | 20 ms |
| Required slots | 2 |
| Overvoltage category | II |
| Equipment protection class | I, with protective conductor |
Frequently Asked Questions
What is the Siemens 6ES7407-0KA02-0AA0 used for?
It is a SIMATIC S7-400 power supply PS407 for the S7-400 backplane bus.
What input supply does this PS407 support?
It supports UC 120/230V with 120 V AC, 230 V AC, 120 V DC, and 230 V DC rated values.
What output ratings does the module provide?
It provides 5 V DC/10 A for the backplane bus and 24 V DC/1 A as an additional output.
How many slots are required for installation?
The required slots value is 2.
