GWS250-24

AC/DC Enclosed Power Supply (PSU), ITE, 1 Outputs, 250 W, 24 VDC, 10.5 A

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Manufacturer: TDK-LAMBDA
Product type: AC / DC Enclosed Power Supplies
No. of Outputs:1Outputs; Output Power Max:250W; Output Voltage - Output 1:24V; Output Current - Output 1:10.5A; Output Voltage - Output 2:-; Output Current - Output 2:-; Output Voltage
SVHC: No SVHC (15-Jan-2018)
Product Range: GWS250 Series
No. of Outputs: 1Outputs
Output Power Max: 250W
Current, Output 4: -
Input Voltage VAC: 85V AC to 264V AC
Input Voltage AC Max: 264V
Input Voltage AC Min: 85V
Power Supply Output Type: Adjustable, Fixed
Output Current - Output 1: 10.5A
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

Delivery and price
Units per pack	10
Price	162.93 €
Current stock	25+
Lead time	30 days

Datasheet

- Standby Power Draw < 0.5 Watt 

- High Efficiency up to 93% 

- Built to meet ErP 

- 41 mm height (1U compatible) 

- Convection Cooled 

- 5V / 300mA  Aux Supply 

- Output Remote Programming 

- Class C Harmonics (IEC 61000-3-2) above 25% Load 

- Allows Use in Lighting Equipment 

- Five Year Warranty 

## **Key Market Segments & Applications** 

## **G** WS250 Series 

Single Output 250W Power Supplies 

Targets all ErP compliant applications Industrial, Traffic Controls, Automated Service, Kiosks Test & Measurement, Entertainment Systems, Communications & Broadcasting, LED Displays & Signage 

## GWS250 Features and Benefits 

Features Benefits 

- Convection Cooling • Easier System Integration, No Audible Noise • Programmable Output Voltage • Broad Range of Applications 

- Programmable Output Voltage 

- Peak Power Capability 120% (24 & 36V models) • Average Active Efficiency @ 230V : 92.7% 

- Lower Cost, Smaller Size • Easier System Cooling, Less Energy Used, High Reliability 

## **Specifications** 

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||||||
|---|---|---|---|---|
|MODEL|GWS250|
|ITEMS|
|AC Input Voltage|VAC|85 - 264VAC (300VAC for 5s)|
|Input Frequency|Hz|47 - 63Hz|
|DC Input Voltage|VDC|120 - 373VDC|
|Inrush Current (cold start)|A|20A at 115VAC, 40A at 230VAC|
|Power Factor|(1)|-|Meets EN61000-3-2 (Typical PF 0.98/0.95) ClassA, Class C> 25% Load|
|Input Current|(1)|A|3.0 / 1.4|
|Temperature Coefficient|°C|<0.02%/°C|
|Overcurrent Protection|-|>105% rated output power or >101% of peak output power|
|Overvoltage Protection|(2)|V|12V: 13.8 - 16.2V,   24V: 30.3 - 35.5V,   36V: 41.4 - 48.6V, 48V: 60 - 69.6V|
|Overtemperature Protection|(2)|-|Yes|
|Hold Up Time|(1)|ms|16ms|
|Leakage Current (Typ)|mA|0.75mA@230VAC|
|Remote Sense|-|No|
|Remote On/Off|-|Active Low|
|Standby Input Power|(3)|W|<0.5W|
|Aux Supply|-|5V/0.3A|
|-|
|Monitoring Signal|DC OK, open collector signal, High on Fail (Active Low)|
|LED Indicator|-|Green LED = On|
|Output Remote Programming|-|See installation manual for details|
|Operating Temperature|°C|-25°C to +70°C.  (Refer to Output Derating Curve) Guaranteed Start Up at -40°C|
|Storage Temperature|°C|-30°C to +85°C|
|-|
|Operating Humidity|30 - 90% RH (non condensing)|
|-|
|Storage Humidity|10 - 95% RH (non condensing)|
|Cooling|-|Convection|
|-|
|Withstand Voltage|Input to FG 1.5kVAC (20mA),  Input to Output 3kVAC (20mA),  output to FG 500VAC (100mA) for 1 min|
|Isolation Resistance|Ω|>100MΩ at 25°C & 70%RH|
|Vibration (non operating)|-|10 - 55Hz: 19.6m/s|[2]|Constant sweep 1 min X, Y, Z for 1 hour each|
|Shock (in package)|-|< 196.1 m/s|[2]|(20G)|
|-|
|Immunity|Built to meet EN61000-4-2 (Level 2,3), -3 (Level 3), -4 (Level 3), -5 (Level 4), -6 (Level 3), -8 (Level 4), -11|
|-|
|Safety Agency Approvals|IEC/EN/UL/CSA 60950-1 and IEC/EN/UL/CSA 62368-1, CE Mark|
|Conducted & Radiated EMI|-|EN55032-B, CISPR22-B|
|Weight (Typ)|g|850|
|Size (L x W x H)|mm|198 x 105 x 41|
|Warranty|yrs|5|

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


**Notes:** (1) 115 / 230VAC input    (2) Recycle AC, or use remote on/off to reset (3) When remote off and 5V Aux supply @ no load 

GWS250 Series 

**1** 

## **Model Selector** 

|||**Adjust**|**Max**|**Peak**|**Load**|**Line**|**Ripple**|**Efficiency**|
|---|---|---|---|---|---|---|---|---|
|**Model**|**Voltage**|**Range**|**Current**|**Current(1)**|**Reg.**|**Reg.**|**Noise**|**(typ) %**|
||**(V)**|**(V)**|**(A)**|**DC (A)**|**(mV)**|**(mV)**|**(mV)**|**(230VAC)**|
|GWS250-12|12V|10.8 - 13.2|21|-|96|48|120|92|
|GWS250-24|24V|22 - 28.8|10.5|12.5|192|96|150|92|
|GWS250-36|36V|32 - 40|7|8.4|288|144|200|93|
|GWS250-48|48V|42 - 57.6|5.3|-|384|192|250|93|



**Notes:** (1)  Peak current 10seconds max.  35% duty cycle max. 

## Outline Drawing GWS250 

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NOTES: A. Model name, Input voltage range, Nominal output voltage,  Maximum output current & country of manufacture are<br>shown in accordance with the specification.<br>B. M4 tapped, embossed & countersunk holes (8) for customer chassis mounting.<br>Screws must not protrude into power supply by more than 5mm<br>**----- End of picture text -----**<br>


GWS250 Series 

**2** 

**==> picture [502 x 225] intentionally omitted <==**

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Output Derating Curve GWS250 Options<br>Suffix Description<br>120<br>/T OTP auto recovery after unit cools down<br>100 /RL Remote ON/OFF reverse logic (Active High)<br>/BAT Battery charging for 24V (21 -29V/8.8A) & 48V (42-58V/4.4A) only<br>80 /P Power up to 350W with system airflow of 20cfm minimum and air blowing in from opposite side of input/output connectors<br>/L Without cover<br>—<br>60<br>Notes:  GWS250-XX/YYYYYYYYYYYYY where  XX  can be  12, 24, 36 ,  or  48<br>50 Y  option can be any combination of  P, L, RL, CO, CO2, T, BAT,  or blank<br>40<br>20 MOQs apply to Option models<br>Please contact your local TDK-Lambda sales office for details.<br>0<br>70<br>-25 0 25 50 75 100<br>Ta (°C)<br>Load (%)<br>**----- End of picture text -----**<br>


## Mounting Options GWS250  -  For other mounting versions please refer to Instruction Manual 

**==> picture [478 x 69] intentionally omitted <==**

**----- Start of picture text -----**<br>
Provide clearance 15mm or more on top of power supply<br>Air Flow<br>I ai<br>Sheet<br>Metal<br>**----- End of picture text -----**<br>


## **Mounting Method** 

- 1 This is convection cooling type power supply. In consideration of the heat radiation and safety, please keep a distance of more than 15mm between the power supply and the peripheral parts. When lining up multiple units, please make sure to place them 5mm or more apart from each other 

- 2 Maximum allowable penetration of mounting screws into the power-supply is 5mm 3 Recommended torque for mounting screws (M4): 1.27 Nm (13.0 kgf.cm) 

## GWS250 Output Voltage External Control (PV) ~~Od~~ 

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**----- Start of picture text -----**<br>
Output Voltage Linearity<br>Connection Method Output Voltage Linearity Output Voltage Derating Output Voltage Derating<br>110% 120%  24 & 48V Model 12 & 36V Model  110% 120% 12 & 36V Model24 & 48V Model<br>Nominal  Nominal<br>Vout 80%  48V Model  Vout 80% 48V Model<br>60%  12~36V Model  60% 12~36V Model<br>0  3V  4V  5V  6V  0  83%  100%<br>5.5V  90%<br>PV voltage (Nominal Input Voltage)  Load Current<br>Output Voltage  Output Voltage<br>**----- End of picture text -----**<br>


**Output voltage external control function is available. Output voltage can be varied by applying an external voltage (3-6V) to ‘PV’ and ‘COM’ terminals at signal connector CN1** 

## **Please consider the following characteristics.** 

## **Notes:** 

For 12V & 36V output model, limit output voltage variation range at 60% - 110%.  At PV voltage variation 3V - 5.5V For 24V output model, limit output voltage variation range at 60% - 120%.  At PV voltage variation 3V - 6V For 48V output model, limit output voltage variation range at 80% - 120%.  At PV voltage variation 4V - 6V 

GWS250 Series 

**3** 

## **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/ 

GWS 250 May19 v8 

GWS250 Series 

**4**

Updated at June 4, 2026

TDK-Lambda is globally recognized as a premier manufacturer of highly reliable power supply solutions and power management equipment. With a strong engineering heritage, the company is a trusted partner for mission-critical applications across the industrial, medical, telecommunications, and test and measurement sectors, delivering components that meet stringent international performance and safety standards. Our extensive portfolio of TDK-Lambda products is heavily focused on comprehensive power and line protection, highlighted by a vast selection of industry-leading AC/DC converters. Engineered to deliver exceptional efficiency and stable performance in demanding environments, these power supplies form the backbone of our offering and are built to support the rigorous power demands of modern electronic infrastructure. To complement these primary power solutions, we also offer a targeted range of high-performance DC/DC converters designed for precise, board-level voltage regulation. Furthermore, to ensure the optimal performance and longevity of these power systems, our catalog includes specialized cooling and thermal management components, such as natural convection heat sinks, providing complete thermal stability for your most critical designs.

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