SPM3121

DIN RAIL POWER SUPPLIES 52MM WIDE L

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Manufacturer: CARLO GAVAZZI / PARTNER STOCK
Product type:
SVHC: No SVHC (21-Jan-2025)
Product Range: SPM Series

Delivery and price
Units per pack	3
Price	184.23 €
Current stock	10+
Lead time	30 days

Datasheet

## **Modular Switching Power Supply Type SPM 3 DIN rail mounting** 

- **Single DIN module** 

- **Universal input 90/264VAC – 120/370VDC** 

- **High efficiency up to 83%** 

- **Short circuit protection** 

- **Overload protection** 

- **Internal input filter** 

- **LOW voltage LED indicator** 

- **UL Class 2 Output** 

## **Product Descri tion p** 

SPM Modular switching requirements. The three DIN power supplies are modules PS is capable of specifically designed in up to 30W of output power. order to satisfy both the Its high efficiency prevents Automation and the Building excess of heat in the automation application installation place. 

**Ordering Key SPM 3 - 24 1** 

**Series Number of DIN modules Output Voltage Phases (only single phas** ~~**e)**~~ 

## **A rovals pp** 

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## **Out ut erformances p p** 

|**Model**|**Input**|**Output**|**Output**|**Current**|**Typical**|
|---|---|---|---|---|---|
||**Voltage**|**Power**|**Voltage**||**Efficiency**|
|**SPM3-051**|**90~264Vac**|**15W**|**5Vdc**|**3.0A**|**74%**|
|**SPM3-121**|**90~264Vac**|**25W**|**12Vdc**|**2.1A**|**82%**|
|**SPM3-151**|**90~264Vac**|**30W**|**15Vdc**|**2.0A**|**83%**|
|**SPM3-241**|**90~264Vac**|**30W**|**24Vdc**|**1.3A**|**83%**|



## **Out ut data p** 

|**Line regulation**||1% max.|1% max.|**Transient recovery time**|||
|---|---|---|---|---|---|---|
|**Load regulation**|||1%|(50% load step changed)||1ms|
|**Output Voltage accuracy**|||±1%||||
|**Ripple and Noise**|||50mV|**DC ON indicator**|**Min.**|**Max.**|
|**Temperature Coefficient**||±0.02%/°C (±0.0112%/°F)||**5V**|3Vdc|-|
|**Hold up time**|**Vi = 115Vac**||25ms|**12V**|9Vdc|-|
||**Vi = 230Vac**|100ms||**15V**|11Vdc|-|
|**Minimum load**|||0%|**24V**|20Vdc|-|
|**Voltage trim range**||**Min.**|**Max.**|**DC LOW indicator**|**Min.**|**Max.**|
||**5V**|5Vdc|5.5Vdc|**5V**|3.2Vdc|3.7Vdc|
||**12V**|12Vdc|14Vdc|**12V**|8.8Vdc|9.3Vdc|
||**15V**|13.5Vdc|16.5Vdc|**15V**|12Vdc|12.5Vdc|
||**24V**|24Vdc|28Vdc|**24V**|21.5Vdc|22Vdc|



**1** 

Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 

Modular Switching Power Supply Type SPM 3 DIN rail mounting 

## **In ut data p** 

|**Input data**||
|---|---|
|**Rated input voltage**|100/240VAC|
|**Voltage range**<br>AC in<br>DC in|90 - 264 Vac<br>120 - 370 Vdc|
|**Line frequency**|47 - 63Hz|
|**Inrush current**||
|Vi= 115Vac|Typ: 20A Max: 25A|
|Vi= 230Vac|Typ: 40A Max: 50A|



## **Controls and Protections** 

|**Input Fuse**|T2A/250Vac internal*|
|---|---|
|**Output Short Circuit**|Fold forward|
|**Rated Overload Protection**|110-150%|



* Not replaceable by user 

## **General data (@ nominal line, full load, 25°C )** 

|**Insulation voltage**|3.000Vac|
|---|---|
|**Insulation resistance**|100MΩ|
|**Ambient temperature**|-25°C to 71°C (-13°F to 159.8°F)|
|**Derating (>61°C to +71°C)**|2.5%/°C (1.4%/°F)|
|**Ambient humidity**|90%RH|
|**Storage temperature**|-25°C to 85°C (-13°F to 185°F)|
|**Dimensions L x W x D mm**|91 x 52 x 55.5|
|**L x W x D inches**|3.582 x 2.047 x 2.185|



|**d, 25°C )**||
|---|---|
|**Cooling**|Free air convection|
|**Case material**|Plastic (PC-UL94-V0)|
|**Weight**|185g|
|**Protection degree**|IP20|



## **A rovals pp** 

|**UL / cUL**|file: E258355|UL508 listed,|**CE**|
|---|---|---|---|
||file: E258395|UL1310 Class 2 power supply,||
||file: E258396|UL60950-1 Recognized||
|**TUV**||EN60950-1||



EN61000-6-3, EN55022 class B, EN61000-3-2, EN61000-3-3, EN61000-6-2, EN55024, EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN61000-4-8, EN61000-4-11 

## **Block diagrams** 

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L Fuse Vo +<br>Inrush Current<br>Line Limiter and Switching Rectifier<br>Filter Device<br>rectifier<br>N Vo -<br>PWM<br>Controller Opto - Refer ence &<br>Isolation Error Amp. Vout<br>ADJ.<br>Opto - Over  Voltage<br>Isolation Detection<br>DC ON<br>Output Le vel (Green LED)<br>Detectio n DC LO<br>(Red LED)<br>**----- End of picture text -----**<br>


**2** 

Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network 

Modular Switching Power Supply Type SPM 3 DIN rail mounting 

## **Pin assi nement and front controls g** 

|**Pin No.**|**Designation**|**Description**|
|---|---|---|
|**1**|**+**|Positive output terminal|
|**2**|**+**|Positive output terminal|
|**3**|**-**|Negative output terminal|
|**4**|**-**|Negative output terminal|
|**5**|**L**|Input terminal (phase conductor, no polarity @ DC input)|
|**6**|**N**|Input terminal (neutral conductor, no polarity @ DC input)|
|**P1**|**Vout Adj.**|Trimmer-potentiometer for Vout adjustment|
|**LED1**|**DC ON**|Operation indicator LED|
|**LED2**|**DC LOW**|DC LOW indicator LED|



## **Installation** 

## **Derating Diagram** 

## **VENTILATION / COOLING:** 

   - **Normal air convection** 

- **25mm of free space along all sides to allow good cooling** 

- **CONNECTOR SIZE RANGE:** 

   - **Solid: 0.2-2.0,mm[2] (AWG24-14)** 

   - **(user copper conductors only)** 

## **Construction** 

**Easy snap-on mounting onto the DIN-Rail (TS35/7.5 or TS35/15), unit sits safety and firmly on the rail; no tools required even to remove.** 

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Power out (%)<br>100<br>90<br>80<br>70<br>60<br>50<br>40<br>30<br>20<br>10<br>0<br>-25 -20 -15 -10 55 60 65 70 75 80<br>(-13) (-4) (5) (14) (131) (140) (149) (152) (167) (176)<br>61 71<br>Temperature °C (°F) (141.8) (159.8)<br>**----- End of picture text -----**<br>


## **Mechanical Drawings (mm)** 

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10.00 10.00<br>52.00 (0.394) (0.394)<br>(2.047) 45.00<br>(1.772)<br>1 4<br>67.00<br>(2.637)<br>L N<br>5 6 91.00<br>(3.582)<br>55.5<br>91.00 (3.582) 49.5 (2.185)<br>(1.948)<br>32.00 (1.259)<br>**----- End of picture text -----**<br>


**3** 

Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network.

Updated at June 9, 2026

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