Product Overview
Technical Summary
| Product | SIMATIC S7-400 PS407 power supply |
|---|---|
| Input voltage | 120 V AC, 230 V AC, 120 V DC, or 230 V DC |
| Output voltage | 5 V DC and 24 V DC |
| Backplane bus output current | 5 V DC: maximum 4 A; 24 V DC: maximum 0.5 A |
| Line frequency | 50 Hz or 60 Hz; permissible range 47 Hz to 63 Hz |
| Mains buffering | 20 ms stored energy time; according to NAMUR recommendation |
| Required slots | 1 |
| Protection class | I, with protective conductor |
| Backup battery | Optional; 1x lithium AA; 3.6 V / 2.2 Ah |
| Product lifecycle | Active Product |
Key Features
Rated input: 120 V AC, 230 V AC, 120 V DC, or 230 V DC.
Maximum output current: 4 A for the 5 V DC backplane bus and 0.5 A for the 24 V DC backplane bus.
Rated line frequency: 50 Hz or 60 Hz; permissible range: 47 Hz to 63 Hz.
Stored energy time during mains or voltage failure: 20 ms; mains buffering according to NAMUR recommendation.
Short-circuit protection is available. The unit requires 1 slot and has equipment protection class I with protective conductor.
Frequently Asked Questions
What input voltages does Siemens 6ES7407-0DA02-0AA0 support?
It has rated inputs of 120 V AC, 230 V AC, 120 V DC, and 230 V DC.
What output current is available for the backplane bus?
The maximum output current is 4 A for the 5 V DC backplane bus, with no base load required, and 0.5 A for the 24 V DC backplane bus, with idling-proof operation.
What line frequency range does the PS407 support?
The rated line frequency is 50 Hz or 60 Hz, with a permissible range from 47 Hz to 63 Hz.
Is a backup battery included in the configuration?
It is without a backup battery; the backup battery is optional: 1x lithium AA; 3.6 V / 2.2 Ah.
