# AC/DC Open Frame Power Supply (PSU), ITE & Medical, 1 Output, 502.4W, 300.8 W, 85V AC to 265V AC

![Product image](https://novapart.co/image/farnell:3914174/)

**URL**: https://novapart.co/products/CUS500M1-32/ac-dc-open-frame-power-supply-psu-ite-medical-1
**SKU**: CUS500M1-32
**Manufacturer**: TDK-LAMBDA
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC Open Frame Power Supplies
**Price**: €109.8300
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (15-Jan-2018) |
| Product Range | CUS500M1 Series |
| No. Of Outputs | 1 Output |
| Input Voltage Vac | 85V AC to 265V AC |
| Power Supply Output Type | Fixed |
| Output Current - Output 1 | 9.4A |
| Output Current - Output 2 | - |
| Output Current - Output 3 | - |
| Output Current - Output 4 | - |
| Output Voltage - Output 1 | 32VDC |
| Output Voltage - Output 2 | - |
| Output Voltage - Output 3 | - |
| Output Voltage - Output 4 | - |
| Power Supply Applications | ITE & Medical |
| Power Rating (Forced Cooling) | 502.4W |
| Power Rating (Convection Cooling) | 300.8W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3914174/)

CUS500M1 Series 

## 3 x 5” 500W AC-DC Power Supplies 

https://product.tdk.com/en/power/cus-m www.emea.lambda.tdk.com/cus500m 

The compact CUS500M1 is packaged in the industry standard 3x5” footprint and can deliver 500W when forced air cooled or 300W convection cooled with a 500W peak. Certified to Medical & ITE safety standards, the CUS500M1 can used in both Class I & Class II (no ground wire) applications(1).  An enclosed model (/EF suffix) is available with an internal fan. 

|**Features**|**Benefits**|
|---|---|
|• 300W (500W Peak) Convection Cooled|• Quiet Operation|
|• 500W with Forced Air|• Can Utilize System Airflow or Integrated Fan|
|• Medical Certifications (2 x MOPP)|• Suitable for B and BF Type Medical Equipment|
|• Class B Conducted and Radiated EMI|• Easier System EMC Compliance|
|• Suitable for Class I and Class II installations(1)|• Flexible Utilization|
|• Compact 3 x 5 x 1.46” Size|• Space Saving in End Equipment|
|• Enclosure and end fan models|• Versatile Application|



|**Model Selector**|**Model Selector**|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
||Nominal|Output|Maximum||Maximum|||Peak|Maximum||Maximum|
|Model|Output|Adjustment|Current||Current|||Current|Power||Power|
||Voltage (V)|(V)|Convection (A)||Forced Air (A)|||(A)|Convection (W)||Forced Air (W)|
|CUS500M1-12|12|None|25.0||41.7|||41.7|300||500.4|
|CUS500M1-19|19|None|15.8||26.4|||26.4|300.2||501.6|
|CUS500M1-24|24|None|12.5||20.9|||20.9|300||501.6|
|CUS500M1-28|28|None|10.7||17.9|||17.9|299.6||501.2|
|CUS500M1-32|32|None|9.4||15.7|||15.7|300.8||502.4|
|CUS500M1-36|36|None|8.3||13.9|||13.9|298.8||500.4|
|CUS500M1-48|48|None|6.3||10.5|||10.5|302.4||504.0|
|||||||||||||
|**CUS500M1-**|||**12**||||**/**|**/**|**EF**|||
|||||||||||||
||||Output voltage 12, 19, 24, 28, 32, 36, 48|||||blank<br>/EF|Open frame construction<br>Enclosed with end fan (exhaust air)|||



Other options are available, please contact sales 

CUS500M1 Series 

1 

**==> picture [517 x 34] intentionally omitted <==**

|**Specifcations**|**Specifcations**|**Specifcations**|
|---|---|---|
|Model<br>CUS500M1|||
|**Input**|||
|Input Voltage range|Vac|85 - 265 (See derating curves)|
|Input Frequency|Hz|47 - 63|
|Input Current (110/230Vac)|A|< 5.0 / 2.5 (500W)|
|Inrush Current at 230Vac (typ) (Cold Start)|A|<50|
|Leakage Current|uA|<200 at 265Vac 60Hz|
|Touch Current (Enclosure Leakage)|uA|<100|
|Power Factor (115/230Vac)|-|0.99 / 0.94|
|Harmonic Compliance|-|Meets IEC61000-3-2 Class A|
|No Load Power Consumption|W|-|
|Hold Up Time (typ) at 115Vac Input<br>|ms|22 at 300W load, 14 at 500W load|
|Effciency|%|Up to 96|
|Conducted & Radiated EMI (Class I only(1))|<br>-|EN55032/EN55011-B (See installation / instruction manual for conditions)|
|Immunity (Class I only(1))|-|Compliant with EN60601-1-2;2015 (Ed4), see immunity table|
|Insulation Class<br>|-|Construction suitable for Class I or Class II installation(1)|
|Safety Agency Certifcations|-|IEC/EN/UL62368-1 and 60601-1, ES60601-1, CE Mark (LVD, EMC and RoHS)|



Note: (1) Class II operation may require additional EMC filtering, contact factory for assistance. 

## **Immunity** 

|**Immunity**|**Immunity**|**Immunity**|**Immunity**|**Immunity**|
|---|---|---|---|---|
||||||
|Test|Standard|Test Level|Criteria|Notes(1)|
|ESD|EN61000-4-2|4|A|-<br>|
|Radiated Susceptibility|EN61000-4-3|3|A|Includes proximity feld requirements of EN60601-1-2:2015|
|Electrical Fast Transient Burst|EN61000-4-4|4|A|(AC Port, 5kHz and 100kHz)|
|Surge|EN61000-4-5|3|A|-|
|Conducted Susceptibility<br>|EN61000-4-6|3|A|-|
|Magnetic felds|EN61000-4-8|4|A|-|
|Voltage Dips and<br>Input Interuptions|EN61000-4-11<br>Class 3 Industrial,<br>incl EN55024<br>(100Vac)|0% for 1/2 cycle<br>0% for 1 cycle<br>40% for 10/12 cycles<br>70% for 25/30 cycles<br>80% for 250/300 cycles<br>0% for 250/300 cycles|A<br>A/B<br>A/B<br>A/B<br> <br>A<br>B|-<br>A up to 280W, B above 280W<br>A up to 180W, B above 180W<br>A up to 440W, B above 440W<br>-<br>-|
||EN61000-4-11<br>Class 3 Industrial,<br>incl EN55024<br>(240Vac)|<br>0% for 1/2 cycle<br>0% for 1 cycle<br>40% for 10/12 cycles<br>70% for 25/30 cycles<br>80% for 250/300 cycles<br>0% for 250/300 cycles|A<br>A/B<br>A/B<br>A<br> <br>A<br>B|-<br>A up to 280W, B above 280W<br>-<br>-<br>-<br>-|
||EN60601-1-2:2015<br>(100Vac)|<br>0% for 1/2 cycle<br>0% for 1 cycle<br>70% for 25/30 cycles<br>0% for 250/300 cycles|A<br>A/B<br>A<br>B|Customer to consider essential performance of end equipment<br>A up to 280W, B above 280W<br>A up to 440W, B above 440W<br>-|
||EN60601-1-2:2015<br>(240Vac)|<br>0% for 1/2 cycle<br>0% for 1 cycle<br>70% for 25/30 cycles<br>0% for 250/300 cycles|A<br>A/B<br>A<br>B|Customer to consider essential performance of end equipment<br>A up to 280W, B above 280W<br>-<br>Customer to consider essential performance of end equipment|
|SEMI F47 Line Dip|SEMI F47|-|-|At input voltages > 200Vac|



CUS500M1 Series 

2 

**==> picture [516 x 34] intentionally omitted <==**

|**Specifcations**|**Specifcations**|**Specifcations**|
|---|---|---|
|Model<br>CUS500M1|||
|**Output**|||
|Line Regulation|%|0.5 (85 - 265Vac)|
|Load Regulation|%|1 (0 - 100% load)|
|External Load Capacitance|uF|12-19V: 10,000, 24V: 8,000, 28V: 4,000, 32-36V: 3,000, 48V: 2,500|
|Ripple & Noise<br>|mV|12V: 240, 19V - 28V: 360, 32V - 48V: 480|
|Temperature Coeffcient|%/°C|±0.02|
|Minimum Load|-|No minimum load required|
|Overcurrent Protection|%|>105. Hiccup mode, automatic recovery|
|Overvoltage Protection|V|12V: 13.8-16.2, 19V: 21.8-25.7, 24V: 27.6-32.4, 28V:32.2-37.8, 32V: 36.8-43.2, 36V: 41.4-48.6, 48V: 55.2-64.8<br>Latching (unit shutdown), cycle AC input to reset|
|Overtemperature Protection|-|Latching (unit shutdown), cycle AC input to reset|
|Remote Sense|-|-|
|Remote On/Off|-|-|
|Power Good|-|-|
|Standby Voltage|-|-|
|Parallel Operation|-|Not possible|
|Series Operation|-|Possible, see installation manual|
|**Environmental**|||
|Operating Temperature (-25°C start-up)|°C|-20 to +70, see derating curves below|
|Storage Temperature|°C|-40 to +85|
|Operating Humidity (non condensing)|%RH|10 - 95|
|Cooling|-|Convection cooling or forced air (2.7m/s)|
|Altitude|m|5,000. Operating, transportation and storage|
|Withstand Voltage (For 1 minute)|Vac|Input to Ground 2,000 (1xMOPP), Input to Output 4,000 (2xMOPP),<br>Output to Ground 1500 (1xMOPP)|
|Isolation Resistance|MΩ|>100 at 25°C, 70%RH & 500VDC|
|Vibration (Non Operating)|-|10-55Hz (1 min sweep). Maximum 19.6m/s2, 1 hour each|
|Shock|-|<196m/s2|
|**Other**|||
|Weight (Typ)|g|Open frame: 450, /EF: 790|
|Size (LxWxH)|mm|Open frame: 127 x 76.2 x 37, /EF: 157 x 85 x 42.5|
|Size (LxWxH)|Inches|Open frame: 5 x 3 x 1.46, /EF: 6.18 x 3.35 x 1.67|
|Connectors|-|Input: JST VHR-5N, Output: M4 screws|
|Warranty|yrs|5|



Notes: 

See website for detailed specifications, test methods and installation manual Specification parameters apply at 25°C ambient temperature unless otherwise stated. 

CUS500M1 Series 

3 

## **Mounting Orientation** 

## **Airflow Direction** 

CUS500M1 Series 

4 

## **Convection Cooling CUS500M1** 

**(Additional derating applies below 115Vac input)** 

## **Forced Air Cooling CUS500M1-12 (2.7m/s)** 

## **(Additional derating applies below 115Vac input)** 

CUS500M1 Series 

5 

## **Forced Air Cooling CUS500M1-19 to -48 (2.7m/s)** 

**==> picture [253 x 11] intentionally omitted <==**

**----- Start of picture text -----**<br>
(Additional derating applies below 115Vac input)<br>**----- End of picture text -----**<br>


## **CUS500M1-xx/EF (End Fan)** 

**==> picture [141 x 12] intentionally omitted <==**

**----- Start of picture text -----**<br>
(All models, all conditions)<br>**----- End of picture text -----**<br>


CUS500M1 Series 

6 

## **Derating versus Input Voltage** 

**(All models, all conditions)** 

CUS500M1 Series 

7 

**==> picture [232 x 38] intentionally omitted <==**

**----- Start of picture text -----**<br>
Mechanical Specification<br>Outline Drawing CUS500M1 Open Frame Unit<br>**----- End of picture text -----**<br>


## **Outline Drawings CUS500M1 End Fan** 

CUS500M1 Series 

8 

## **TDK-Lambda France SAS** 

Tel: +33 1 60 12 71 65 tlf.fr-powersolutions@tdk.com www.emea.lambda.tdk.com/fr 

## **TDK-Lambda Americas** 

Tel:  +1 800-LAMBDA-4 or 1-800-526-2324 tla.powersolutions@tdk.com www.us.lambda.tdk.com 

## **Italy Sales Office** 

Tel: +39 02 61 29 38 63 tlf.it-powersolutions@tdk.com www.emea.lambda.tdk.com/it 

## **Netherlands** 

## **TDK Electronics do Brasil Ltda** 

Tel: +55 11 3289-9599 sales.br@tdk-electronics.tdk.com www.tdk-electronics.tdk.com/en 

tlf.nl-powersolutions@tdk.com www.emea.lambda.tdk.com/nl 

## **TDK-Lambda Germany GmbH** 

Tel: +49 7841 666 0 tlg.powersolutions@tdk.com www.emea.lambda.tdk.com/de 

## **TDK-Lambda Corporation** 

Tel: +81-3-6778-1113 www.jp.lambda.tdk.com 

## **TDK-Lambda (China) Electronics Co. Ltd.** 

Tel: +86 21 6485-0777 tlc.powersolutions@tdk.com www.lambda.tdk.com.cn 

## **Austria Sales Office** 

Tel: +43 2256 655 84 tlg.at-powersolutions@tdk.com www.emea.lambda.tdk.com/at 

## **Switzerland Sales Office** 

Tel: +41 44 850 53 53 tlg.ch-powersolutions@tdk.com www.emea.lambda.tdk.com/ch 

## **Nordic Sales Office** 

## **TDK-Lambda Singapore Pte Ltd.** 

Tel: +65 6251 7211 tls.marketing@tdk.com www.sg.lambda.tdk.com 

**TDK India Private Limited, Power Supply Division** Tel:   +91 80 4039-0660 mathew.philip@tdk.com www.sg.lambda.tdk.com 

Tel: +45 8853 8086 tlg.dk-powersolutions@tdk.com www.emea.lambda.tdk.com/dk 

## **TDK-Lambda UK Ltd.** 

Tel: +44 (0) 12 71 85 66 66 tlu.powersolutions@tdk.com www.emea.lambda.tdk.com/uk 

## **TDK-Lambda Ltd.** 

Tel: +9 723 902 4333 tli.powersolutions@tdk.com www.emea.lambda.tdk.com/il-en 

For Additional Information, please visit https://product.tdk.com/en/power/ 

CUS500M1_Datasheet_260784 May 23rd, 2024 V4 

CUS500M1 Series 

9 



## Links

- [View this product on Novapart](https://novapart.co/products/CUS500M1-32/ac-dc-open-frame-power-supply-psu-ite-medical-1)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/tdk-lambda/cus500m1-32/power-supply-ac-dc-32v-9-4a/dp/3914174)
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