# Power Supply, PS 405, Redundant, 4 A/2 A/1.6 A, 24/48/60 VDC, 95 W, SIMATIC S7-400 Series

![Product image](https://novapart.co/image/farnell:3555353/)

**URL**: https://novapart.co/products/6ES7405-0KR02-0AA0/power-supply-ps-405-redundant-4-a-2-16-24-48-60
**SKU**: 6ES7405-0KR02-0AA0
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Process Controllers, Programmers & Indicators || Controllers || Controller Accessories
**Price**: €1142.3100
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Product Range | SIMATIC S7-400 Series |
| Current Rating | 4A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3555353/)

**6ES7405-0KR02-0AA0** 

**Data sheet** 

SIMATIC S7-400, power supply PS405: 10 A, wide range, 24/48/60 V DC; 5 V DC/10 A, for redundant use 

|**Supply voltage**||
|---|---|
|Rated value(DC)||
|● 24 V DC|Yes|
|● 48 V DC|Yes|
|● 60 V DC|Yes|
|Mains buffering||
|● Mains/voltage failure stored energytime|20 ms|
|● Mains bufferingaccordingto NAMUR recommendation|Yes|
|**Input current**||
|Rated value at 24 V DC|4 A|
|Rated value at 48 V DC|2 A|
|Rated value at 60 V DC|1.6 A|
|Inrush current, max.|18 A; Full width at half maximum 20 ms|
|**Output voltage**||
|Type of output voltage|DC|
|Rated value(DC)||
|● 5 V DC|Yes|
|● 24 V DC|Yes|
|**Output current**||
|for backplane bus(5 V DC), max.|10 A; no base load required|
|for backplane bus(24 V DC), max.|1 A; idling-proof|
|Short-circuit protection|Yes|
|**Power**||
|Active power input, typ.|95 W|
|**Power loss**||
|Power loss, typ.|20 W|
|**Battery**||
|Backupbattery||
|● Backup battery (optional)|Yes; 2x lithium AA; 3.6 V / 2.2 Ah|
|**Hardware configuration**||
|Slots||
|● required slots|2|
|**Potential separation**||
|primary/secondary|Yes|
|**Isolation**||
|Overvoltage category|II|
|**Degree and class of protection**||
|Equipment protection class|I, with protective conductor|



6ES74050KR020AA0 Page 1/3 

Subject to change without notice © Copyright Siemens 

5/20/2026 

|**Standards, approvals, certificates**<br>~~a~~|**Standards, approvals, certificates**<br>~~a~~|**Standards, approvals, certificates**<br>~~a~~|**Standards, approvals, certificates**<br>~~a~~|
|---|---|---|---|
|FM approval|Yes; Ta: 0 °C to 60 °C T4|||
|CCC<br>Yes<br>~~EE~~||||
|BIS|Yes|||
|**Ambient conditions**||||
|Ambient temperature duringoperation||||
|● min.|0 °C|||
|● max.|60 °C|||
|**Connection method**<br>Design of electrical connection<br>~~ee~~|3x 1.5 mm², solid or stranded wire with end sleeve, external diameter 3 mm to 9|||
||mm|||
|**Dimensions**<br>Width<br>50 mm<br>Height<br>290 mm<br>Depth<br>217 mm<br>~~a—~~||||
|**Weights**||||
|Weight, approx.|1 200g|||
|**Classifications**<br>~~a~~||||



||||||||**Version**|**Classification**||
|---|---|---|---|---|---|---|---|---|---|
||||||eClass||14|27-24-22-09||
||||||eClass||12|27-24-22-09||
||||||eClass||9.1|27-24-22-09||
||||||eClass||9|27-24-22-09||
||||||eClass||8|27-24-22-09||
||||||eClass||7.1|27-24-22-09||
||||||eClass||6|27-24-22-09||
||||||ETIM||10|EC000599||
||||||ETIM||9|EC000599||
||||||ETIM||8|EC000599||
||||||ETIM||7|EC000599||
||||||IDEA||4|3575||
||||||UNSPSC||15|32-15-17-06||
|**Approvals / Certificates**<br>~~a~~||||||||||
|**General Product Approval**||||||||||
|UK<br>ca|“SS|Miscellaneous<br>~~—~~|||@<br>®||¢«|@||
|**General Product Approval**||**EMV**|||||**For use in hazardous locations**|**For use in hazardous locations**||
|China RoHS|Miscellaneous|||||||||
|**For use in hazardous locations**<br>FM<br>©|||Type Examination Cer-<br>tificate<br>~~=~~~©|||||**Maritime application**<br> @||
|**Maritime application**||||||||||



6ES74050KR020AA0 Page 2/3 

Subject to change without notice © Copyright Siemens 

5/20/2026 

- NK / Nippon Kaiji Ky okai ~~©~~ **Environment** - CCS (China Classifica tion Society) ~~©~—~~ s. 

**Maritime application** 

**==> picture [49 x 6] intentionally omitted <==**

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6/7/2025 

6ES74050KR020AA0 Page 3/3 

Subject to change without notice © Copyright Siemens 

5/20/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/6ES7405-0KR02-0AA0/power-supply-ps-405-redundant-4-a-2-16-24-48-60)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/6es7405-0kr02-0aa0/power-supply-ps-405-5vdc-24vdc/dp/3555353)
---

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