# AC/DC Open Frame Power Supply (PSU), Medical, 3 Output, 55W @ 30CFM, 40 W, 85V AC to 264V AC

![Product image](https://novapart.co/image/farnell:4324651/)

**URL**: https://novapart.co/products/LPT42-M/ac-dc-open-frame-power-supply-psu-medical-3-output
**SKU**: LPT42-M
**Manufacturer**: ARTESYN EMBEDDED TECHNOLOGIES
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC Open Frame Power Supplies
**Price**: €49.6700
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| No. Of Outputs | 3 Output |
| Output Power Max | 40W |
| Input Voltage Vac | 85V AC to 264V AC |
| Input Voltage Ac Max | 264V |
| Input Voltage Ac Min | 85V |
| Power Supply Approvals | Medical |
| Power Supply Output Type | Adjustable, Fixed |
| Output Current - Output 1 | 4A |
| Output Current - Output 2 | 2A |
| Output Current - Output 3 | 500mA |
| Output Voltage - Output 1 | 5VDC |
| Output Voltage - Output 2 | 12VDC |
| Output Voltage - Output 3 | -12VDC |
| Power Rating (Forced Cooling) | 55W @ 30CFM |
| Power Rating (Convection Cooling) | 40W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4324651/)

Embedded Power for Business-Critical Continuity 

**LPT40-M Series** 40 Watts 

Rev. 6.30.09_165 LPT40-M Series 1 of 3 

**Total Power:** 40 - 55 Watts **Input Voltage:** 85 - 264 VAC 120 - 300VDC **# of Outputs:** Triple 

## Special Features 

- Universal input • 3” x 5” footprint 

- Less than 1U high 

- Remote sense on main output • Built-in EMI filter 

- Low output ripple 

- Adjustable 5V output 

- Overvoltage protection 

- Overload protection 

- 110 KHz switching frequency 

- LPX40 enclosure kit available 

## Safety 

- **VDE** 0750/EN60601-1 (IEC601) 113769 

- **UL** UL2601 E182560 

- **CSA** CSA 22.2 No.601.1 LR109492 

- **CE** Mark (LVD) 

## Electrical Specifications 

## Input 

|Inputputut|Inputputut|
|---|---|
|Input range:|85 - 264 VAC<br>120-300 VDC|
|Frequency:|47 - 440 Hz|
|Inrush current:|< 18A peak @ 115 VAC;<br>< 36A peak @ 230 VAC, cold start @ 25°C|
|Input current:|< 36A peak @ 230 VAC, cold start @ 25<br>1A max.(RMS)@ 115VAC|
|Efficiency:|70% typical at full load (60% for LPT41)|
|EMI:|70% typical at full load (60% for LPT41)<br>FCC Class A conducted; CISPR 22 Class A conducted<br>EN55022 Class A conducted;<br>VDE 0878 PT3 Class A conducted|
|Safety ground<br>leakage current:|< 75 µA @ 50/60 Hz, 264 VAC input|
|Output||
|Maximum Power:|40W for convection; 55W with 30CFM forced air|
|Cross regulation:|± 2% on output 1;± 5% on outputs 2,3|
|Adjustment range:|-5,+10% minimum|
|Hold-up time:|20ms @ 40W load,115 VAC nominal line|
|Overload protection:|Short circuit protection on all outputs. Case overload protected<br>@ 110% to 145% above peak rating|
|Overvoltage protection:|5.7 to 6.7 VDC on the main output<br>LPT41: 3.6 to 4.6VDC|
|Remote sense:|Compensates for 0.5 V lead drop min. Will operate without remote<br>sense connected. Reverse connection protected.|



Embedded Power for Business-Critical Continuity 

Rev. 6.30.09_165 LPT40-M Series 2 of 3 

## Environmental Specifications 

**==> picture [525 x 114] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Operating temperature:|0° to 50 °C ambient derate each output at 2.5% per degree from 50° to 70 °C, -20 °C start up.|
|Electromagnetic|Designed to meet IEC 801, -2, -3, -4, -5, -6, Level 3|
|susceptibility:|
|Humidity:|Operating; non-condensing 5% to 95%|
|Vibration:|Three orthogonal axes, sweep at 1 oct/min, 5 min. dwell at four major resonances 0.75G peak 5 Hz to 500|
|Hz, operational|
|Storage temperature:|-40° to 85 °C|
|Temperature coefficient:|± .04% per °C|
|MTBF demonstrated:|> 550,000 hours at full load and 25 °C ambient conditions|

**----- End of picture text -----**<br>


## Ordering Information 

**==> picture [527 x 132] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||||||||
|---|---|---|---|---|---|---|---|
|Output|Minimum|Maximum Load with|Maximum Load with|Peak|Ripple P/P|
|Model  Number|Regulation|[2]|
|Voltage|Load|Convection cooling|30CFM Forced Air|Load|[1]|(PARD)|[3]|
|+5V|0.4A|4A|5A|7A|±2%|50mV|
|LPT42-M|+12V|0.2A|2A|2.5A|4A|±5%|120mV|
|-12V|0A|0.5A|0.7A|1A|±5%|120mV|
|+5V|0.4A|4A|5A|7A|±2%|50mV|
|LPT45-M|+15V|0.2A|2A|2.5A|3A|±5%|150mV|
|-15V|0A|0.5A|0.7A|1A|±5%|150mV|
|1. Peak current lasting < 30 seconds with a maximum 10% duty cycle.|
|2. At 25 °C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings.|
|3. Peak-to-peak with 20 MHz bandwidth and 10 µF in parallel with a 0.1 µF capacitor at rated line voltage and load ranges.|
|4. Minimum Loads are required.|

**----- End of picture text -----**<br>


**==> picture [212 x 170] intentionally omitted <==**

**----- Start of picture text -----**<br>
Power Derating Curve<br>55W<br>30 CFM Forced Air Cooling<br>40W EEEEENG<br>30W<br>Output Natural  27.5W<br>Power<br>Convection<br>(Watts) 20W Cooling 20W<br>10W<br>0W<br>0°C —_ 10°C 20°C 30°C 40°C 50°C 60°C 70°C<br>TA – Ambient Temperature – °C<br>**----- End of picture text -----**<br>


Embedded Power for Business-Critical Continuity 

**==> picture [362 x 306] intentionally omitted <==**

**----- Start of picture text -----**<br>
Mechanical Drawing<br>5.00"<br>(127)<br>0.22" 4.55"<br>(5.6) (115.6)<br>GND Remote Sense<br>M1 M2<br>SK201 Connector<br>_ + Voltage<br>3.00" Adj. Pot<br>(76.2) SK 2<br>1<br>2<br>2.55"<br>3<br>(64.8) 4<br>SK 1 5<br>3 N 6<br>1 L<br>= i F<br>b O I<br>0.15" (4)<br>DIA (4 places)<br>1.14"<br>(29)<br>0.12"<br>(3)<br>**----- End of picture text -----**<br>


Mating Connectors AC Input: Molex 09-50-8031 (USA) 09-91-0300 (UK) PINS:  08-52-0113 DC Molex 09-50-8061 (USA) Outputs: 09-91-0600 (UK) PINS: 08-52-0113 Remote Molex 22-01-2025 Sense: PINS: 08-52-0123 

|Pin Assignments|Pin Assignments|Pin Assignments|
|---|---|---|
|**Connector LPT42-M**|**LPT42-M**|**LPT45-M**|
|SK1-1<br>Line|Line|Line|
|SK1-3<br>Neutral|Neutral|Neutral|
|SK2-1<br>+|+12V|+15V|
|SK2-2<br>+|+5V|+5V|
|SK2-3<br>+|+5V|+5V|
|SK2-4<br>Common|Common|Common|
|SK2-5<br>Common|Common|Common|
|SK2-6<br>-12V|12V|-15V|
|SK201-1<br>+Sense|+Sense|+Sense|
|SK201-2<br>-Sense|-Sense|-Sense|



Emerson Network Power Connector Kit #70-841-006, includes all of the above 

1. Specifications subject to change without notice. 

2. All dimensions in inches (mm), tolerance is ±0.02” (±0.5mm) 

3. Mounting holes M1 and M2 should be grounded for EMI purposes. 

4. Mounting hole M1 is safety ground connection. 

5. Specifications are for convection rating at factory settings at 115 VAC input, 25 °C unless otherwise stated. 

6. Warranty:  2 year 

7. Weight: 0.5lbs/0.23kg 

Rev. 6.30.09_165 LPT40-M Series 3 of 3 

## **Americas** 

5810 Van Allen Way Carlsbad, CA 92008 USA Telephone: +1 760 930 4600 Facsimile:  +1 760 930 0698 

## **Europe (UK)** 

Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 

## **Asia (HK)** 

14/F, Lu Plaza 2 Wing Yip Street Kwun Tong, Kowloon Hong Kong Telephone: +852 2176 3333 Facsimile: +852 2176 3888 

For global contact, visit: 

## **www.PowerConversion.com techsupport.embeddedpower @emerson.com** 

While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. 

**Emerson Network Power.** The global leader in enabling business-critical continuity. 

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## **EmersonNetworkPower.com** 

Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2009 Emerson Electric Co. 



## Links

- [View this product on Novapart](https://novapart.co/products/LPT42-M/ac-dc-open-frame-power-supply-psu-medical-3-output)
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- [Supplier page](https://es.farnell.com/en-ES/artesyn-embedded-technologies/lpt42-m/power-supply-ac-dc-medical-3o/dp/4324651)
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