Product Description
Key Features
- SIMATIC S7-400 PS407 identity: Siemens power supply PS407, 10 A, order number 6ES7407-0KA02-0AA0.
- Wide-range input: Rated input values are 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
- Backplane bus output: Maximum output is 10 A for the 5 V DC backplane bus and 1 A for the 24 V DC backplane bus; short-circuit protection is provided.
- Mains frequency and buffering: Rated line frequency is 50 Hz and 60 Hz, with a permissible range of 47 Hz to 63 Hz and 20 ms stored energy time during mains or voltage failure.
- Configuration and protection: 2 slots are required. Primary/secondary potential separation is provided, with overvoltage category II and equipment protection class I with protective conductor.
Technical Summary
| Product lifecycle | Active Product |
|---|---|
| Input voltage | 120 V DC, 230 V DC, 120 V AC, 230 V AC |
| Backplane bus output | 5 V DC, max. 10 A; 24 V DC, max. 1 A |
| Line frequency | Rated value 50 Hz and 60 Hz; permissible range 47 Hz to 63 Hz |
| Mains buffering | 20 ms stored energy time; according to NAMUR recommendation |
| Required slots | 2 |
| Backup battery | Optional; 1x lithium AA; 3.6 V / 2.2 Ah |
| Power loss | Typ. 20 W |
Frequently Asked Questions
What order number should be confirmed for this Siemens PS407 power supply?
Confirm order number 6ES7407-0KA02-0AA0 on the nameplate or installed-part documentation.
What input voltage values does 6ES7407-0KA02-0AA0 support?
The rated input values are 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
What backplane bus output does the PS407 provide?
It provides up to 10 A for the 5 V DC backplane bus and up to 1 A for the 24 V DC backplane bus.
How many slots are required for this power supply?
The hardware configuration requires 2 slots.
