Product Overview
Technical Summary
| Product designation | SIMATIC S7-400 Power supply PS407: 10 A, wide range, UC 120/230V, 5 V DC/10 A |
|---|---|
| Input ratings | 120 V DC, 230 V DC, 120 V AC, 230 V AC |
| Backplane-bus output, 5 V DC | 10 A; no base load required |
| Backplane-bus output, 24 V DC | 1 A; idling-proof |
| Line frequency | 47 Hz to 63 Hz permissible range; rated value 50 Hz and 60 Hz |
| Required slots | 2 |
| Potential separation | primary/secondary |
| Short-circuit protection | Yes |
| Backup battery | Optional; 1x lithium AA; 3.6 V / 2.2 Ah |
| Equipment protection class | I, with protective conductor |
| Product lifecycle | Active Product |
Key Features
- Product designation: SIMATIC S7-400 Power supply PS407: 10 A, wide range, UC 120/230V, 5 V DC/10 A.
- Input ratings: Rated input values: 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
- Backplane-bus output: Maximum output current is 10 A for the 5 V DC backplane bus and 1 A for the 24 V DC backplane bus; the 5 V DC output requires no base load and the 24 V DC output is idling-proof.
- Line frequency: Rated line frequency is 50 Hz and 60 Hz; the permissible range is 47 Hz to 63 Hz.
- Installation requirements: The power supply requires 2 slots and provides primary/secondary potential separation.
- Protection and backup: Short-circuit protection is provided. An optional backup battery is supported: 1x lithium AA, 3.6 V / 2.2 Ah.
Frequently Asked Questions
What product does Siemens 6ES7407-0KA02-0AA0 identify?
It identifies a SIMATIC S7-400 Power supply PS407: 10 A, wide range, UC 120/230V, 5 V DC/10 A.
Which specifications distinguish this PS407 variant?
It has 120 V DC, 230 V DC, 120 V AC, and 230 V AC rated input values, a 5 V DC backplane-bus output of up to 10 A, and a 24 V DC backplane-bus output of up to 1 A.
How many slots does the power supply require?
It requires 2 slots.
Is the backup battery included in this configuration?
It is optional: 1x lithium AA, 3.6 V / 2.2 Ah.
