# AC/DC Enclosed Power Supply (PSU), ITE, 1 Outputs, 50 W, 24 VDC, 2.1 A

![Product image](https://novapart.co/image/farnell:3558867/)

**URL**: https://novapart.co/products/6EP1331-1LD00/ac-dc-enclosed-power-supply-psu-ite-1-outputs-50-w
**SKU**: 6EP1331-1LD00
**Manufacturer**: SIEMENS
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC Enclosed Power Supplies
**Price**: €52.8800
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Product Range | SITOP PSU100D Series |
| No. Of Outputs | 1Outputs |
| Output Power Max | 50W |
| Current, Output 4 | - |
| Input Voltage Vac | 85V AC to 264V AC |
| Power Supply Output Type | Adjustable, Fixed |
| Output Current - Output 1 | 2.1A |
| Output Current - Output 2 | - |
| Output Current - Output 3 | - |
| Output Voltage - Output 1 | 24VDC |
| Output Voltage - Output 2 | - |
| Output Voltage - Output 3 | - |
| Output Voltage - Output 4 | - |
| Power Supply Applications | ITE |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3558867/)

**6EP1331-1LD00** 

**Data sheet** 

|SITOP PSU100D/1AC/24VDC/2.1A<br>********** spare part ********* PSU100D 24 V/2.1 A stabilized power supply input:<br>100-240 V AC output: 24 V DC/2.1 A<br>**input**<br>type of thepower supplynetwork<br>1-phase AC<br>supplyvoltage at AC<br>● minimum rated value<br>100 V<br>● maximum rated value<br>240 V<br>● initial value<br>85 V<br>● full-scale value<br>264 V<br>wide range input<br>Yes<br>buffering time for rated value of the output current in the event of<br>power failure minimum<br>15 ms<br>operatingcondition of the mains buffering<br>at Vin = 115/230 V<br>line frequency<br>50/60 Hz<br>line frequency<br>47 ... 63 Hz<br>input current<br>● at rated input voltage 100 V<br>1.1 A<br>● at rated input voltage 240 V<br>0.7 A<br>current limitation of inrush current at 25 °C maximum<br>60 A<br>I2t value maximum<br>1.2 A²·s<br>fuseprotection type<br>internal<br>fuse protection type in the feeder<br>Recommended miniature circuit breaker: from 10 A characteristic C or from 16<br>A characteristic B<br>**output**<br>voltage curve at output<br>Controlled, isolated DC voltage<br>output voltage at DC rated value<br>24 V<br>output voltage<br>● at output 1 at DC rated value<br>24 V<br>output voltage adjustable<br>Yes; viapotentiometer<br>adjustable output voltage<br>22 ... 28 V<br>relative overall tolerance of the voltage<br>2 %<br>relative controlprecision of the output voltage<br>● on slow fluctuation of input voltage<br>0.5 %<br>● on slow fluctuation of ohm loading<br>1 %<br>residual ripple<br>● maximum<br>100 mV<br>voltagepeak<br>● maximum<br>100 mV<br>displayversion for normal operation<br>Green LED for 24 V OK<br>behavior of the output voltage when switchingon<br>Overshoot of Vout < 2 %<br>response delaymaximum<br>1 s<br>voltage increase time of the output voltage<br>● maximum<br>30 ms<br>output current<br>● rated value<br>2.1 A<br>● rated range<br>0 ... 2.1 A; +50 ... +70 °C: Derating2.5%/K<br>supplied activepower typical<br>50 W<br>bridgingof equipment<br>Yes<br>number of parallel-switched equipment resources for increasing<br>the power<br>2<br>**efficiency**<br>~~|~~<br>~~|~~<br>~~ed~~|SITOP PSU100D/1AC/24VDC/2.1A<br>********** spare part ********* PSU100D 24 V/2.1 A stabilized power supply input:<br>100-240 V AC output: 24 V DC/2.1 A||
|---|---|---|



Subject to change without notice © Copyright Siemens 

6EP13311LD00 Page 1/4 

5/18/2026 

||efficiencyinpercent|86 %||
|---|---|---|---|
||power loss[W]|||
||● at rated output voltage for rated value of the output<br>current typical|8 W||
||**closed-loop control**|||
||relative control precision of the output voltage with rapid<br>fluctuation of the input voltage by+/- 15% typical|0.5 %||
||relative control precision of the output voltage load step of<br>resistive load 50/100/50 % typical|5 %||
||**protection and monitoring**|||
||design of the overvoltageprotection|< 35 V||
||propertyof the output short-circuitproof|Yes||
||design of short-circuitprotection|Electronic shutdown, automatic restart||
||● typical|2.5 A||
||enduringshort circuit current RMS value|||
||● typical|6 A||
||**safety**|||
||galvanic isolation between input and output|Yes||
||galvanic isolation|Safetyextra low output voltage Vout accordingto EN 60950-1||
||operatingresourceprotection class|Class I||
||leakage current|||
||● maximum|3.5 mA||
||● typical|1 mA||
||protection class IP|IP20||
||**EMC**|||
||standard|||
||● for emitted interference|EN 55022 Class B||
||● for mains harmonics limitation|not applicable||
||● for interference immunity|EN 61000-6-2||
||**standards, specifications, approvals**|||
||certificate of suitability|||
||● CE marking|Yes||
||● UL approval|Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; cURus (UL<br>60950-1, CSA C22.2 No. 60950-1), File E151273||
||● EAC approval|Yes||
||● NEC Class 2|No||
||type of certification|||
||● CB-certificate|Yes||
||**standards, specifications, approvals hazardous environments**|||
||certificate of suitability|||
||● IECEx|No||
||● ATEX|No||
||● ULhazloc approval|No||
||● FM registration|No||
||**standards, specifications, approvals marine classification**|||
||shipbuildingapproval|No||
||Marine classification association|||
||● American Bureau of ShippingEurope Ltd.(ABS)|No||
||● French marine classification society (BV)|No||
||● Det Norske Veritas(DNV)|No||
||● Lloyds Register of Shipping (LRS)|No||
||**standards, specifications, approvals Environmental Product Declaration**|||
||Environmental Product Declaration|Yes||
||global warming potential[CO2 eq]|||
||● total|257.3 kg||
||● duringmanufacturing|6.9 kg||
||● duringoperation|250.1 kg||
||● after end of life|0.1 kg||
||**ambient conditions**|||
||ambient temperature|||



Subject to change without notice © Copyright Siemens 

6EP13311LD00 Page 2/4 

5/18/2026 

|● duringoperation|-10 ... +70 °C; with natural convection|-10 ... +70 °C; with natural convection|-10 ... +70 °C; with natural convection|
|---|---|---|---|
|● duringtransport|-40 ... +85 °C|||
|● duringstorage|-40 ... +85 °C|||
|**connection method**||||
|type of electrical connection|screw terminal|||
|● at input|L, N, PE: 1 screw terminal each for 0.3 ... 1.3 mm² single-core/finelystranded|||
|● at output|+, -: 1 screw terminal each for 0.3 ... 1.3 mm²|||
|● for auxiliarycontacts|-|||
|**mechanical data**||||
|width × height × depth of the enclosure|97 × 128 × 38 mm|||
|required spacing||||
|● top|20 mm|||
|● bottom|0 mm|||
|● left|20 mm|||
|● right|20 mm|||
|fasteningmethod|Wall mounting|||
|● DIN-rail mounting|No|||
|● S7 rail mounting|No|||
|● wall mounting|Yes|||
|net weight|0.35 kg|||
|**further information internet links**||||
|internet link||||
|● to website: IndustryMall|https://mall.industry.siemens.com|||
|● to webpage: selection aid TIA Selection Tool|https://www.siemens.com/tstcloud|||
|● to website: CAx-Download-Manager|https://siemens.com/cax|||
|● to website: IndustryOnline Support|https://support.industry.siemens.com|||
|**additional information**||||
|other information|Specifications at rated input voltage and ambient temperature +25 °C (unless<br>otherwise specified)|||
|**security information**||||
|security information|Siemens provides products and solutions with industrial cybersecurity functions<br>that support the secure operation of plants, systems, machines and networks.<br>In order to protect plants, systems, machines and networks against cyber<br>threats, it is necessary to implement - and continuously maintain - a holistic,<br>state-of-the-art industrial cybersecurity concept. Siemens’ products and<br>solutions constitute one element of such a concept. Customers are responsible<br>for preventing unauthorized access to their plants, systems, machines and<br>networks. Such systems, machines and components should only be connected<br>to an enterprise network or the internet if and to the extent such a connection is<br>necessary and only when appropriate security measures (e.g. firewalls and/or<br>network segmentation) are in place. For additional information on industrial<br>cybersecurity measures that may be implemented, please visit<br>www.siemens.com/cybersecurity-industry. Siemens’ products and solutions<br>undergo continuous development to make them more secure. Siemens strongly<br>recommends that product updates are applied as soon as they are available<br>and that the latest product versions are used. Use of product versions that are<br>no longer supported, and failure to apply the latest updates may increase<br>customer’s exposure to cyber threats. To stay informed about product updates,<br>subscribe to the Siemens Industrial Cybersecurity RSS Feed under<br>https://www.siemens.com/cert.(V4.7)|||
|**Classifications**||||
|||**Version**|**Classification**|
||eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>ETIM<br>ETIM<br>ETIM|14<br>12<br>9.1<br>9<br>8<br>7.1<br>6<br>10<br>9<br>8|27-04-07-01<br>27-04-07-01<br>27-04-07-01<br>27-04-07-01<br>27-04-90-02<br>27-04-90-02<br>27-04-90-02<br>EC002540<br>EC002540<br>EC002540|



|● duringoperation|-10 ... +70 °C; with natural convection|-10 ... +70 °C; with natural convection|-10 ... +70 °C; with natural convection|
|---|---|---|---|
|● duringtransport|-40 ... +85 °C|||
|● duringstorage|-40 ... +85 °C|||
|**connection method**||||
|type of electrical connection|screw terminal|||
|● at input|L, N, PE: 1 screw terminal each for 0.3 ... 1.3 mm² single-core/finelystranded|||
|● at output|+, -: 1 screw terminal each for 0.3 ... 1.3 mm²|||
|● for auxiliarycontacts|-|||
|**mechanical data**||||
|width × height × depth of the enclosure|97 × 128 × 38 mm|||
|required spacing||||
|● top|20 mm|||
|● bottom|0 mm|||
|● left|20 mm|||
|● right|20 mm|||
|fasteningmethod|Wall mounting|||
|● DIN-rail mounting|No|||
|● S7 rail mounting|No|||
|● wall mounting|Yes|||
|net weight|0.35 kg|||
|**further information internet links**||||
|internet link||||
|● to website: IndustryMall|https://mall.industry.siemens.com|||
|● to webpage: selection aid TIA Selection Tool|https://www.siemens.com/tstcloud|||
|● to website: CAx-Download-Manager|https://siemens.com/cax|||
|● to website: IndustryOnline Support|https://support.industry.siemens.com|||
|**additional information**||||
|other information|Specifications at rated input voltage and ambient temperature +25 °C (unless<br>otherwise specified)|||
|**security information**||||
|security information|Siemens provides products and solutions with industrial cybersecurity functions<br>that support the secure operation of plants, systems, machines and networks.<br>In order to protect plants, systems, machines and networks against cyber<br>threats, it is necessary to implement - and continuously maintain - a holistic,<br>state-of-the-art industrial cybersecurity concept. Siemens’ products and<br>solutions constitute one element of such a concept. Customers are responsible<br>for preventing unauthorized access to their plants, systems, machines and<br>networks. Such systems, machines and components should only be connected<br>to an enterprise network or the internet if and to the extent such a connection is<br>necessary and only when appropriate security measures (e.g. firewalls and/or<br>network segmentation) are in place. For additional information on industrial<br>cybersecurity measures that may be implemented, please visit<br>www.siemens.com/cybersecurity-industry. Siemens’ products and solutions<br>undergo continuous development to make them more secure. Siemens strongly<br>recommends that product updates are applied as soon as they are available<br>and that the latest product versions are used. Use of product versions that are<br>no longer supported, and failure to apply the latest updates may increase<br>customer’s exposure to cyber threats. To stay informed about product updates,<br>subscribe to the Siemens Industrial Cybersecurity RSS Feed under<br>https://www.siemens.com/cert.(V4.7)|||
|**Classifications**||||
|||**Version**|**Classification**|
||eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>ETIM<br>ETIM<br>ETIM|14<br>12<br>9.1<br>9<br>8<br>7.1<br>6<br>10<br>9<br>8|27-04-07-01<br>27-04-07-01<br>27-04-07-01<br>27-04-07-01<br>27-04-90-02<br>27-04-90-02<br>27-04-90-02<br>EC002540<br>EC002540<br>EC002540|



||**Version**|**Classification**|
|---|---|---|
|eClass|14|27-04-07-01|
|eClass|12|27-04-07-01|
|eClass|9.1|27-04-07-01|
|eClass|9|27-04-07-01|
|eClass|8|27-04-90-02|
|eClass|7.1|27-04-90-02|
|eClass|6|27-04-90-02|
|ETIM|10|EC002540|
|ETIM|9|EC002540|
|ETIM|8|EC002540|



Subject to change without notice © Copyright Siemens 

6EP13311LD00 Page 3/4 

5/18/2026 

ETIM 7 EC002540 IDEA 4 4130 UNSPSC 15 39-12-10-04 **Approvals Certificates** Environmental Product Declaration ~~tt~~ ● global warming potential [CO2 eq] / during manufacturing 6.9 kg ~~<<~~ ● global warming potential [CO2 eq] / during operation 250.1 kg ● global warming potential [CO2 eq] / after end of life 0.1 kg ● global warming potential [CO2 eq] / total 257.3 kg 

● global warming potential [CO2 eq] / total 257.3 kg **Environment General Product Approval** ee Manufacturer DeclaraDeclaration of ConChina RoHS tion formity m € ~~—~~ 

~~55~~ **General Product Approval** 

**last modified:** 

5/5/2026 

Subject to change without notice © Copyright Siemens 

6EP13311LD00 Page 4/4 

5/18/2026 



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- [Supplier page](https://es.farnell.com/siemens/6ep1331-1ld00/stabilized-power-supply-ite-24v/dp/3558867)
---

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