# Isolated DIN Rail Mount DC/DC Converter, 2:1, 20 W, 1 Output, 5 VDC, 4 A

![Product image](https://novapart.co/image/farnell:3558224/)

**URL**: https://novapart.co/products/6ES7407-0DA02-0AA0/isolated-din-rail-mount-dc-converter-21-20-w-1
**SKU**: 6ES7407-0DA02-0AA0
**Manufacturer**: SIEMENS
**Category**: Power & Line Protection || Power Supplies || DC / DC Converters || Isolated DIN Rail Mount DC / DC Converters
**Price**: €427.9700
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Depth | 217mm |
| Width | 25mm |
| Height | 290mm |
| Input Ratio | 2:1 |
| Product Range | SIMATIC S7-400 Series |
| No. Of Outputs | 1 Output |
| Output Power Max | 20W |
| Isolation Voltage | - |
| Output Regulation | - |
| Input Voltage Dc Max | 230V |
| Input Voltage Dc Min | 120V |
| Input Voltage Dc Nom | - |
| Output Current - Output 1 | 4A |
| Output Current - Output 2 | - |
| Output Voltage - Output 1 | 5VDC |
| Output Voltage - Output 2 | - |
| Power Supply Applications | - |
| Dc / Dc Converter Output Type | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3558224/)

**6ES7407-0DA02-0AA0** 

**Data sheet** 

SIMATIC S7-400, Power supply PS407: 4 A, wide range, UC 120/230V, 5 V DC/4 A 

|**Supply voltage**||
|---|---|
|Rated value(DC)||
|● 120 V DC|Yes|
|● 230 V DC|Yes|
|Rated value(AC)||
|● 120 V AC|Yes|
|● 230 V AC|Yes|
|Line frequency||
|● Rated value 50 Hz|Yes|
|● Rated value 60 Hz|Yes|
|●permissible range, lower limit|47 Hz|
|●permissible range, upper limit|63 Hz|
|Mains buffering||
|● Mains/voltage failure stored energytime|20 ms|
|● Mains bufferingaccordingto NAMUR recommendation|Yes|
|**Input current**||
|Rated value at 120 V DC|350 mA|
|Rated value at 230 V DC|190 mA|
|Rated value at 120 V AC|0.42 A|
|Rated value at 230 V AC|0.22 A|
|Inrush current, max.|8.5 A; Full width at half maximum 5 ms|
|Leakage current, max.|5 mA|
|**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.|4 A; no base load required|
|for backplane bus(24 V DC), max.|0.5 A; idling-proof|
|Short-circuit protection|Yes|
|**Power**||
|Active power input, typ.|52 W|
|**Power loss**||
|Power loss, typ.|20 W|
|**Battery**||
|Backupbattery||
|● Backup battery (optional)|Yes; 1x lithium AA; 3.6 V / 2.2 Ah|



6ES74070DA020AA0 Page 1/3 

Subject to change without notice © Copyright Siemens 

5/18/2026 

|**Hardware configuration**<br>~~—~~<br>~~— ———~~|**Hardware configuration**<br>~~—~~<br>~~— ———~~|**Hardware configuration**<br>~~—~~<br>~~— ———~~|**Hardware configuration**<br>~~—~~<br>~~— ———~~|
|---|---|---|---|
|Slots<br>~~—~~<br>~~— ———~~||||
|● required slots<br>~~—~~|1<br>~~— ———~~|||
|**Potential separation**<br>~~|~~||||
|primary/secondary<br>~~|~~|Yes<br>~~|~~|||
|**Isolation**<br>~~|~~||||
|Overvoltage category<br>~~|~~|II<br>~~|~~|||
|**EMC**<br>~~EE—~~||||
|Compliance with line harmonic distortion limits<br>~~EE—~~||||
|● Compliance with line harmonic distortion acc. to IEC<br>61000-3-2, IEC 61000-3-3<br>|Yes<br>~~—~~|||
|**Degree and class of protection**<br>~~|~~||||
|Equipment protection class<br>~~|~~|I, with protective conductor<br>~~|~~|||
|**Standards, approvals, certificates**<br>~~|~~||||
|FM approval<br>~~|~~|Yes; Ta: 0 °C to 70 °C T4<br>~~|~~|||
|BIS|Yes|||
|**Ambient conditions**<br>~~tt~~<br>~~EE~~<br>~~— ——~~||||
|Ambient temperature duringoperation<br>~~tt~~<br>~~EE~~<br>~~— ——~~||||
|● min.|0 °C<br>~~EE~~<br>~~— ——~~|||
|● max.|60 °C|||
|**Connection method**<br>~~|~~||||
|Design of electrical connection<br>~~|~~|3x 1.5 mm², solid or stranded wire with end sleeve, external diameter 3 mm to 9<br>mm<br>~~|~~|||
|**Dimensions**<br>~~|~~||||
|Width<br>~~|~~|25 mm<br>~~|~~|||
|Height<br>~~ee~~|290 mm<br>~~ee~~|||
|Depth<br>~~ee~~|217 mm<br>~~ee~~|||
|**Weights**||||
|Weight, approx.|760g|||
|**Classifications**<br>~~ee~~||||
|eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>ETIM<br>ETIM<br>ETIM<br>ETIM<br>IDEA<br>UNSPSC<br>~~ee~~||**Version**<br>~~ee~~|**Classification**<br>~~ee~~|
|||14<br>12<br>9.1<br>9<br>8<br>7.1<br>6<br>10<br>9<br>8<br>7<br>4<br>15|27-24-22-09<br>27-24-22-09<br>27-24-22-09<br>27-24-22-09<br>27-24-22-09<br>27-24-22-09<br>27-24-22-09<br>EC000599<br>EC000599<br>EC000599<br>EC000599<br>3575<br>32-15-17-06|
|**Approvals / Certificates**<br>~~pT~~||||
|**General Product Approval**<br>~~pT~~||||



~~pT~~ **Approvals / Certificates General Product Approval** 

~~e~~ Miscellaneous p 

**General Product Approval** 

**For use in hazardous locations** 

**EMV** 

**Maritime application** 

6ES74070DA020AA0 Page 2/3 

Subject to change without notice © Copyright Siemens 

5/18/2026 

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China RoHS Miscellaneous & & FM<br>Maritime application<br>-<br>NK / Nippon Kaiji Ky<br>okai<br>i)  “- —"<br>Maritime application Environment<br>-<br>CCS (China Classifica<br>tion Society) — &§<br>as EPD<br>last modified: 6/7/2025 4<br>**----- End of picture text -----**<br>


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Subject to change without notice © Copyright Siemens 

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- [Supplier page](https://es.farnell.com/siemens/6es7407-0da02-0aa0/dc-dc-converter-5v-4a/dp/3558224)
---

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