Product Overview
Technical Summary
| Product | SIMATIC S7-400 power supply PS405, 10 A, wide range, for redundant use |
|---|---|
| Input voltage | 24 V DC; 48 V DC; 60 V DC |
| Output voltage | 5 V DC |
| Backplane bus output current | 10 A max.; no base load required |
| 24 V DC backplane output current | 1 A max.; idling-proof |
| Input current | 4 A at 24 V DC; 2 A at 48 V DC; 1.6 A at 60 V DC |
| Mains failure stored energy time | 20 ms |
| Inrush current | 18 A max.; Full width at half maximum 20 ms |
| Required slots | 2 |
| Protection | Short-circuit protection; equipment protection class I with protective conductor |
Key Features
- Product designation: SIMATIC S7-400 power supply PS405, 10 A, wide range, for redundant use.
- Rated input values: 24 V DC, 48 V DC, and 60 V DC.
- Output voltage and current: 5 V DC output; up to 10 A for the backplane bus with no base load required.
- 24 V DC backplane output: Up to 1 A for the backplane bus; idling-proof.
- Input buffering: Stored energy time during mains or voltage failure: 20 ms; mains buffering according to NAMUR recommendation.
- Installation and protection: 2 required slots, primary/secondary potential separation, overvoltage category II, and equipment protection class I with protective conductor.
Frequently Asked Questions
Which specifications distinguish 6ES7405-0KR02-0AA0?
It is a SIMATIC S7-400 PS405 power supply with 24/48/60 V DC rated input values, 5 V DC output, 10 A maximum backplane bus current, and redundant use.
What output details should be checked for this code?
Check the 5 V DC output and its maximum 10 A backplane bus current, plus the 24 V DC backplane bus output of up to 1 A.
What installation details should be verified?
Verify that 2 slots are required and that the unit has primary/secondary potential separation, overvoltage category II, and equipment protection class I with protective conductor.
What quantity and destination are needed for a quotation?
Provide the required quantity and destination together with the complete code 6ES7405-0KR02-0AA0.
