Product Description
Key Features
- SIMATIC S7-400 PS407 identity: Power supply PS407, 10 A, wide range, UC 120/230 V, 5 V DC/10 A, for redundant use.
- Input supply: Rated input values are 120 V DC, 230 V DC, 120 V AC, and 230 V AC.
- Backplane output current: The backplane bus output provides up to 10 A at 5 V DC with no base load required, and up to 1 A at 24 V DC with idling-proof operation.
- Line frequency and buffering: Rated line frequency is 50 Hz or 60 Hz, with a permissible range of 47 Hz to 63 Hz. Mains/voltage failure stored energy time is 20 ms.
- Protection and installation: The unit requires 2 slots, provides primary/secondary potential separation, has overvoltage category II, and uses equipment protection class I with protective conductor.
- Lifecycle data: Product lifecycle: Active Product.
Applications
- SIMATIC S7-400 redundant power supply: Provides power for the SIMATIC S7-400 backplane bus in redundant use, with 5 V DC and 24 V DC outputs.
Technical Summary
| Product | 6ES7407-0KR02-0AA0 |
|---|---|
| Family | SIMATIC S7-400, Power supply PS407 |
| Input voltage | 120 V DC; 230 V DC; 120 V AC; 230 V AC |
| Output voltage | 5 V DC; 24 V DC |
| Backplane bus output current | 5 V DC, max. 10 A; 24 V DC, max. 1 A |
| Line frequency | Rated value 50 Hz; rated value 60 Hz; permissible range 47 Hz to 63 Hz |
| Mains buffering | Mains/voltage failure stored energy time 20 ms; according to NAMUR recommendation |
| Required slots | 2 |
| Active power input | 95 W, typ. |
| Power loss | 20 W, typ. |
| Backup battery | Optional; 1x lithium AA; 3.6 V / 2.2 Ah |
| Product lifecycle | Active Product |
Frequently Asked Questions
What order number should be confirmed for the Siemens PS407 power supply?
Confirm order number 6ES7407-0KR02-0AA0 on the nameplate.
What output configuration does 6ES7407-0KR02-0AA0 provide?
It provides 5 V DC at up to 10 A for the backplane bus and 24 V DC at up to 1 A.
How many slots does the PS407 require?
The hardware configuration requires 2 slots.
Is the backup battery included in the configuration?
The backup battery is optional: 1x lithium AA; 3.6 V / 2.2 Ah.
