# AC/DC Open Frame Power Supply (PSU), ITE, Industrial & Medical, 1 Output, 250W, 175 W

![Product image](https://novapart.co/image/farnell:4171468/)

**URL**: https://novapart.co/products/NGB250S48K/ac-dc-open-frame-power-supply-psu-ite-industrial
**SKU**: NGB250S48K
**Manufacturer**: SL POWER / ADVANCED ENERGY
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC Open Frame Power Supplies
**Price**: €74.9600
**Stock**: 10+
**Lead Time**: 176 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Product Range | NGB250 Series |
| No. Of Outputs | 1 Output |
| Input Voltage Vac | 85V AC to 264V AC |
| Power Supply Output Type | Fixed |
| Output Current - Output 1 | 3.6A |
| Output Current - Output 2 | - |
| Output Current - Output 3 | - |
| Output Current - Output 4 | - |
| Output Voltage - Output 1 | 48V |
| Output Voltage - Output 2 | - |
| Output Voltage - Output 3 | - |
| Output Voltage - Output 4 | - |
| Power Supply Applications | ITE, Industrial & Medical |
| Power Rating (Forced Cooling) | 250W |
| Power Rating (Convection Cooling) | 175W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4171468/)

## **SL POWER NGB250 SERIES** 

250 Watts Single Output Medical & Industrial Grade 

Advanced Energy’s SL Power NGB250 medically-approved AC-DC power supplies are available with a nominal main output of 12 V, 15 V, 24 V, 28 V, 48 V or 56 V. NGB250 power supplies provide up to 250 Watts of output power with air flow. All models have output overvoltage, short circuit and overload protection and a 4 x 2 x 1.5 inch form factor. 

## **AT A GLANCE** 

## **Total Power** 

**250 Watts** 

## **Input Voltage** 

**85 to 264 VAC** 

## **# of Outputs** 

**Single** 

## **SPECIAL FEATURES** 

- Up to 250 Watts with Air Flow 

- Up to 175 Watts Convection Cooled 

- 2”W x 4”L x 1.5”H Size 

## **SAFETY** 

   - IEC/UL/EN60601-1, 3rd Edition + Am1 

   - IEC/UL/EN62368-1 

- Universal Input 85 to 264 VAC 

- Meets Class B Emissions Levels 

- 10+ Years Electrolytic Capacitor Life 

- Meets Heavy Industrial/IEC60601-1-2 4th Edition EMC 

- Less than 100 uA Leakage Current 

- Class I and Class II Input Versions Available 

- ROHS Compliant 

- REACH Compliant 

- 3 Years Warranty 

©2023 Advanced Energy Industries, Inc. 

**NGB250** 

## **ELECTRICAL SPECIFICATIONS** 

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Input<br>Input ra nge 85 to 264 VAC, 47 to 63 Hz, 1Ø<br>Input current 2.6 A max at 115 VAC, 1.3 A max at 230 VAC<br>Inrush current 75 A max., cold start @ 264 VAC input<br>Input fuses 6.3 A, 250 VAC fuse provided in both line & neutral<br>Leakage current<br>Earth leakage current <500 μA @ 264 VAC, 60 Hz, NC<br>Patient leakage current  <100/500 μA @ 264 VAC, 60 Hz, NC/SFC<br>Efficiency >90% typical<br>No load input power  <0.5 W<br>Input/Ground: 1500 VAC (1 MOPP)<br>Isolation voltage Input/Output: 4500 VAC (2 MOPP)<br>Output/Ground: 1500 VAC (1 MOPP)<br>Output<br>Maximum power See "Ordering information" section<br>Ripple and noise 1% of Vout on all models<br>Load regulation  2%<br>Line regulation  1%<br>Total regulation 5%<br>Minimum load Not required<br>Capacitive load 1000 μF<br>Adjustment range 5%<br>Initial set point tolerance ±1 %<br>Overshoot <3% overshoot at turn-on, <1% overshoot at turn-off, under all conditions<br>PSU have monotonic wave forms on the main output at start up, shut down and fault (OVP, OCP, OTP, OPP,<br>Monotonic waveform<br>SCP) triggered shutdown.<br>500 μs response time for return to within 0.5% of final value for any 50% load step over the range of 25% to<br>Transient response<br>100% of rated load,  ∆ i/ ∆ t<0.2 A/μs. Max. voltage deviation is ±3.5% of final value.<br>Reliability<br>MTBF >500K hrs per Telcordia 332, Issue 6, 25°C, full rated load at 110 VAC input.<br>Warranty 3 years<br>All specified electrolytic capacitors will exceed 10 year life based on operating at 25°C ambient temp.,<br>Electrolytic capacitor lifetime<br>24 hrs/day, 365 days/year.<br>Protection<br>Overvoltage protection 115% to 155% of nominal output voltage. Requires AC recycle to reset.<br>Short circuit protection Short across the output terminals will not cause damage to the unit. Hiccup mode.<br>Thermal protection Will shutdown upon an over temperature condition. Auto-recovery mode.<br>Overload protection 130% to 180% of rated output current value. Hiccup mode.<br>**----- End of picture text -----**<br>


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**NGB250** 

## **DERATING SPECIFICATIONS** 

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12 V Model 15 V Model 24 V, 48 V & 56 V Models<br>Ambient<br>Temperature 100 to 265  90 VAC 80 VAC 100 to 265  90 VAC 80 VAC 100 to 265  90 VAC 80 VAC<br>VAC VAC VAC<br>50ºC-Convection  145 W  135 W  120 W  155 W  145 W  125 W  175 W  165 W  145 W<br>50ºC-w/Airflow  230 W  220 W  200 W  230 W 220 W  200 W  250 W  250 W 250 W<br>60ºC-Convection  116 W  108 W  96 W  124 W 116 W  100 W  140 W  132 W 116 W<br>60ºC-w/Airflow  184 W  176 W  160 W 184 W 176 W  160 W  200 W 200 W 200 W<br>70ºC-Convection  87 W  81 W  72 W  93 W 87 W 75 W  105 W  99 W 87 W<br>70ºC-w/Airflow   138 W  132 W  120 W  138 W 132 W 120 W  150 W  150 W 150 W<br>80ºC-Convection  58 W  54 W  48 W  62 W 58 W 50 W  70 W  66 W 58 W<br>80ºC-w/Airflow  92 W  88 W  80 W  92 W 88 W 80 W  100 W  100 W 100 W<br>**----- End of picture text -----**<br>


## **EMI/EMC COMPLIANCE** 

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EN55011/15/32: Class B, CISPR11/15/32: Class B, FCC Part 15.107, Class B, Measured at 10%, 50%, and<br>Conducted emissions<br>100% load steps; 6db margin typ, at 120 VAC and 230 VAC<br>EN55011/15/32: Class B, CISPR11/15/32: Class B, FCC Part 15.107, Class B, Measured at 10%, 50%, and<br>Radiated emissions<br>100% load steps; 3db margin typ, at 120 VAC and 230 VAC<br>Harmonic current emissions EN61000-3-2, Class A at 230 VAC, 100% load<br>Voltage fluctuations & flicker IEC61000-3-3<br>Electro static discharge immunity EN55024/IEC61000-4-2, Level 4: ±8kV contact, ±15kV air, Criteria A, IEC60601-1-2, 4th Edition, Table 4<br>Radiated RF EM fields susceptibility  EN55022/EN61000-4-3, 10 V/m, 80 MHz to 2.7 GHz, 80% AM at 1 kHz IEC60601-1-2, 4th Edition, Table 4<br>Electrical fast transients / bursts EN55024/IEC61000-4-4, Level 4, ±4 kV, 100 Khz rep rate, 40 A, Criteria A, IEC60601-1-2, 4th Edition, Table 5<br>Surges line to line (DM) and line to  EN55024/IEC61000-4-5, Level 4, ±2kV DM, ±4kV CM, Criteria A Surpasses IEC60601-1-2, 4th Edition<br>ground (CM) requirements<br>Conducted disturbances induced by  EN55022/IEC61000-4-6, 3 V/m – Level 4, 0.15 to 80 MHz; and 12V/m in ISM and amateur radio bands<br>RF fields between 0.15 MHz and 80 MHz, 80% AM at 1 KHz IEC60601-1-2, 4th Edition, Table 5<br>Rated power frequency magnetic<br>EN55024/IEC1000-4-8, Level 4: 30 A/m, 50Hz/60Hz IEC60601-1-2, 4th Edition, Table 4<br>fields test<br>EN55024/IEC/EN61000-4-11:<br>--100% dip for 10 ms, at 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315°<br>--100% dip for 20 ms, 0°, criteria B<br>Voltage dips --100% dip for 5000 ms (250/300 cycles), criteria B<br>--60% dip for 100 ms, criteria B<br>--30% dip for 500 ms, criteria A<br>IEC60601-1-2, 4th Edition, Table 5<br>Common mode noise: high freq.<br>20 mA pk-pk<br>(100 KHz to 20 MHz)<br>**----- End of picture text -----**<br>


Notes: 

Performance criteria are based on EN55024. According to the standards, performance criteria are decoded as following: 

A. Normal performance during and after the test 

- B. Temporary degradation, self-recoverable 

C. Temporary degradation, operator intervention required to recover the operation 

D. Permanent damage 

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**NGB250** 

## **ORDERING INFORMATION** 

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Output Output Output Output Terminations<br>Current Power<br>Model Number Output Voltage Current Power<br>(fan)1 (fan)1 (convection /  (convection /  Input Output<br>conduction) conduction)<br>NGB250S12K   12 V 19.1 A 230 W 12.1 A 145 W<br>3 pin<br>NGB250S15K   15 V 15.3 A 230 W 10.3 A 155 W (pin 2 removed)<br>NGB250S24K   24 V 10.4 A 250 W 7.3 A 175 W 0.156 Ctr<br>Connector<br>NGB250S28K     28 V 8.9 A 250 W 6.2 A 175 W<br>(Class I) 6 pin<br>NGB250S48K   48 V 5.2 A 250 W 3.6 A 175 W Header<br>NGB250S56K*   56 V 4.47 A 230 W 3.1 A 175 W 0.156 Ctr<br>3 pin Connector<br>NGB250S12C   12 V 19.1 A 230 W 12.1 A 145 W (pin 2 removed)<br>NGB250S15C   15 V 15.3 A 230 W 10.3 A 155 W 0.156 Ctr<br>Connector<br>NGB250S24C   24 V 10.4 A 250 W 7.3 A 175 W<br>(Class II)<br>NGB250S48C   48 V 5.2 A 250 W 3.6 A 175 W<br>**----- End of picture text -----**<br>


* NGB250S56K is approved for IEC/UL/EN62368-1, not approved to IEC/UL/EN60601-1. 

## **ENVIRONMENTAL SPECIFICATIONS** 

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Random Vibration:<br>Operating: 0.003 g/Hz, 1.5 grams overall, 3 axes, 10 min/axis, 5 to 500 Hz.<br>Non-operating: Random waveform, 3 mins/axis, 3 axes and sine waveform, Vib. frequency / acceleration:10 Hz<br>Vibration<br>to 500 Hz / 1 g, sweep rate of 1 octave/minutes, vibration time of 10 sweeps/axes, 3 axes.<br>Transportation vibration: Random vib. per MIL-STD-810E, Method 514.4, Cat. 1, Figure 514.4-1, 1hr in each of<br>three axes.<br>Operating: Half-sine, 20 gpk, 10 ms, 3 axes, 6 shocks total.<br>Shock Non-operating: Half-sine waveform, impact acceleration of 50 g, pulse duration of 6 ms.<br>Number of shocks: 3 for each of the three axis<br>Cooling  Airflow: ≥300LFM. Convection.<br>Audible noise  <20 dbA<br>Operating temperature  -20°C to +80°C<br>Temperature derating Derate output power linearly above 50°C to 40% Load at 80°C<br>Storage temperature  -40°C to +85°C<br>Altitude Operating: -500 to 5,000 m. Non-operating: -500 to 12,192 m<br>Relative humidity 5% to 95%, non-condensing<br>**----- End of picture text -----**<br>


## **SAFETY** 

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UL UL62368-1, UL60601-1-1, 3rd Edition + Am1. Complies with BF rated application requirements.<br>CSA  CAN/CSA-C22.2 No. 62368-1, 60601-1, BF Rated.<br>Demko EN62368-1 EN60601-1-1, 3rd Edition + Am1. Complies with BF rated application requirements.<br>Design to meet 5000 m and 50°C, 93% RH with 120 h (Tropical standard) according to GB4943 1-2011,<br>CB Report<br>IEC62368-1, IEC60601-1-1, complies with BF rated application requirements.<br>**----- End of picture text -----**<br>


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**NGB250** 

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CONNECTORS<br>Connector Mating Connector<br>J1 (Input connector) TE# 640445-3 (middle pin removed) AMP P/N 640250-3. PIns: 640252-1<br>J3 (DC output connector) TE# 640445-6 AMP P/N 640250-6. PIns: 640252-1<br>G1 (GND) 0.187 quick disconnect terminal<br>**----- End of picture text -----**<br>


## **UNIT PACKAGING REQUIREMENTS** 

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Inserted instructions Instruction sheet to be provided with all units packaged in individual unit box if used.<br>Units can be packed in egg crate type cartons for production quantities. Individual product shipments include an<br>Individual unit packing<br>individual unit box.<br>40 units per master carton. Unit packaged into carton must be protected such that it will sustain 1.4m drop test<br>Master carton shipping box onto hard surface. Only anti-static packing material may be used inside the box. Exterior box sealing tape is<br>anti-static type.<br>Individual carton packing box  Individual carton is labelled with ROHS sticker and individual label showing unit serial number, bar code,<br>(when used) manufacturing date, bar code, and manufacturing part number, bar code, country of origin.<br>**----- End of picture text -----**<br>


## **PIN ASSIGNMENTS** 

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Connector  NGB250<br>PIN 1 AC Neutral<br>J1 (Input connector) PIN 2 Empty<br>PIN 3 AC Line<br>PIN 1 RTN<br>PIN 2 RTN<br>PIN 3 RTN<br>J3 (DC output connector)<br>PIN 4 +Vo<br>PIN 5 +Vo<br>PIN 6 +Vo<br>**----- End of picture text -----**<br>


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**NGB250** 

## **MECHANICAL DRAWING** 

Notes: 

1. All dimensions in mm (inches). 

2. Dimensions: W: 2.13” x L: 4.06” x H: 1.5”. 

3. Unit weight: 290 g. 

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## **ABOUT ADVANCED ENERGY** 

Advanced Energy (AE) has devoted more than three decades to perfecting power for its global customers. AE designs and manufactures highly engineered, precision power conversion, measurement and control solutions for mission-critical applications and processes. 

Our products enable customer innovation in complex applications for a wide range of industries including semiconductor equipment, industrial, manufacturing, telecommunications, data center computing, and medical. With deep applications know-how and responsive service and support across the globe, we build collaborative partnerships to meet rapid technological developments, propel growth for our customers, and innovate the future of power. 

## **TRUST** 

For international contact information, visit advancedenergy.com. 

powersales@aei.com (Sales Support) productsupport.ep@aei.com (Technical Support) +1 888 412 7832 

Specifications are subject to change without notice. Not responsible for errors or omissions. ©2023 Advanced Energy Industries, Inc. All rights reserved. Advanced Energy®, and AE® are U.S. trademarks of Advanced Energy Industries, Inc. 

ENG-NGB250-01.19.23 



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- [Supplier page](https://es.farnell.com/sl-power/ngb250s48k/power-supply-ac-dc-48v-3-6a/dp/4171468)
---

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