ABC350-1024L

OPEN FRAME AC-DC CONVERTERS POWER SUPPLY

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: BEL / PARTNER STOCK
Product type: AC / DC Open Frame Power Supplies
SVHC: To Be Advised
Product Range: ABC350 Series

Delivery and price
Units per pack	3
Price	163.93 €
Current stock	10+
Lead time	30 days

Datasheet

## **WLP350** 

The ABC350 Series of open frame power supplies feature a wide universal AC input range of 90 – 264 VAC, offering 350 W of output power in a compact 3 x 5 x 1 inch footprint, with a variety of isolated single output voltages. 

The high efficiency and high power density of the ABC family ensures minimal power loss in end-use equipment, thereby facilitating higher reliability, easier thermal management and meets regulatory approvals for environmentally-friendly end products. 

These power supplies are ideal for telecom, datacom, industrial equipment and other applications. Key Features & Benefits 

- 3 x 5 x 1 Inch Form Factor 

- 350 W with Forced Air Cooling & 200 W with Convection Cooling 

- • Efficiencies up to 94% 

- No Load Power < 0.5 W 

- -40 to 70°C Operating Temperature 

- 12 V / 0.5 A Fan Output, Thermal Shut-Down Feature 

- 

• 

• 

• 

- 

- 

- 2.56 Million Hours, Telcordia -SR332-Issue 3 MTBF 

- IEC/EN/UL 62368-1:2018 (Ed 3.0) Certified 

IEC/EN 61558 Compliant (Suitable for Household and Similar electrical equipment certified under IEC/EN 60335-1 standards) 

CCC (China Compulsory Certification approval) 

- Approved with metal enclosures/accessories 

- RoHS Compliant 

▪ Instrumentation 

Lighting 

▪ 

▪ Industrial Applications 

- Applied Computing 

- Renewable Energy 

▪ Test and Measurement ▪ Automation Control ▪ Wireless Communication 

ABC350 Series 

2 

## **1.** 

**==> picture [469 x 17] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||
|---|---|---|---|---|
|MAX. LOAD|MAX. LOAD|
|MODEL NUMBER|[ 1]|DESCRIPTION|VOLTAGE|POWER|
|(CONVECTION)|(375 LFM)|

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


## **2.** 

Specifications are for nominal input voltage, 25°C unless otherwise stated. 

**==> picture [428 x 145] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||
|---|---|---|
|PARAMETER|DESCRIPTION / CONDITION|SPECIFICATION|
|Universal|90-264 VAC / 390 VDC|
|Input Voltage|
|(Derate from 100% at 100 VAC to 90% at 90 VAC)|
|Input Frequency|47 - 63 Hz|
|115 VAC:|3.6 A max.|
|Input Current|230 VAC:|1.8 A max.|
|No Load Power|Typical|>0.5 W|
|115 VAC:|25 A|
|Inrush Current|230 VAC:|45 A|
|264 VAC:|75 A|
|Leakage Current|Typical|300 µA|
|Power Factor|Full Load|> 0.95|
|PFC:|70 - 130 KHz|
|Switching Frequency|PWM:|50 - 80 KHz|

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


**==> picture [204 x 36] intentionally omitted <==**

**----- Start of picture text -----**<br>
ESR POWER<br>ARRESTyt<br>ctFe:Oy bel SOLUTIONSPROTECTION &<br>**----- End of picture text -----**<br>


tech.support@psbel.com 

3 

## ABC350 Series 

## **3.** 

|**PARAMETER**|**DESCRIPTION / CONDITION**|**SPECIFICATION**|
|---|---|---|
|Output Voltage||12 to 58 V|
|Output Power4|With 375 LFM:<br>Convection:|350 W<br>200 W|
|Output Adjustment||+/-3%|
|Hold-up Time|Full Load:<br>Convection Load:|> 8 ms typical<br>> 14 ms typical|
||48 V, 58 V:|94%|
|Efficiency|24 V, 30 V:|93%|
|Line Regulation6|12 V, 15 V:|92%<br>+/-0.5%|
|Load Regulation6||+/-1%|
|Minimum Load||0.0 A|
|Transient Response|50-100% step load change, at 0.1A/µS slew rate,<br>50% duty cycle, 50 Hz = 5% ,|recovery time < 5 ms|
|Ripple5, 6|For all outputs|1.0 % max|
|Rise Time|Typical|55 ms|
|Set Point Tolerance6||+/-1%|
|Over Current Protection|Hiccup mode / Auto Recovery|>110%|
|Over Voltage Protection|Hiccup mode / Auto Recovery|110 to 140%|
|Short Circuit Protection|Hiccup mode / Auto Recovery||
|Cooling|With 375 LFM forced air cooling at 100 to 264 VAC:<br>With natural convection cooling at 100 to 264 VAC:|350 W<br>200 W|



## **4.** 

|Conducted Emissions|EN55032-B, CISPR22-B, FCC PART15-B|Pass|
|---|---|---|
|Radiated Emissions|EN 55032 A;<br>with external core (King core K5B RC 25x12x15-M in input cable)|Pass<br>Level B|
|Input Current Harmonics|EN 61000-3-2|Class D|
|Voltage Fluctuation and Flicker|EN 61000-3-3|Pass|
|ESD Immunity|EN 61000-4-2|Level 3, Criterion A|
|Radiated Field Immunity|EN 61000-4-3|Level 3, Criterion A|
|Electrical Fast Transient Immunity|EN 61000-4-4|Level 3, Criterion A|
|Surge Immunity|EN 61000-4-5|Level 4, Criterion A|
|Conducted Immunity|EN 61000-4-6|Level 3, Criterion A|
|Magnetic Field Immunity|EN 61000-4-8|Level 3, Criterion A|
|Voltage Dips, Interruptions|EN 61000-4-11|Criterion A & B|



**==> picture [47 x 12] intentionally omitted <==**

**----- Start of picture text -----**<br>
neg tE Gate yt<br>**----- End of picture text -----**<br>


**Asia-Pacific Europe, Middle East North America** +86 755 298 85888 +353 61 49 8941 +1 866 513 2839 

© 2022 Bel Power Solutions & Protection 

BCD.00560_AH 

ABC350 Series 

4 

## **5.** 

|**PARAMETER**|**DESCRIPTION / CONDITION**|**SPECIFICATION**|
|---|---|---|
|Isolation Voltage|Input to Output: for ITE application<br>Input to GND:|3000 VAC<br>1500 VAC|
||IEC 62368-1:2018, IEC 61558-1:2005, IEC 61558-1:2005/AMD1:2009, IEC 61558-2-16:2009,|IEC 62368-1:2018, IEC 61558-1:2005, IEC 61558-1:2005/AMD1:2009, IEC 61558-2-16:2009,|
||IEC 61558-2-16:2009 /AMD1:2013, IEC 60950-1(ed.2); am1; am2, EN 61558-2-16:2009; A1,||
|Safety Standards|EN 61558-1:2005; A1,||
||EN 60950-1:2006; A11; A1; A12; A2, UL 62368-1 and CAN/CSA C22.2 No. 62368-1:19||
||UL 60950-1 and CAN/CSA C22.2 No. 60950-1-07, GB4943.1-2011; GB9254-2008; GB17625.1-2012||
|Agency Approvals|Nemko, UL, C-UL, CCC||
|CE mark|Complies with LVD Directive||



## **6.** 

|**PARAMETER**|**DESCRIPTION / CONDITION**|**SPECIFICATION**|
|---|---|---|
|Operating Temperature7<br>Storage Temperature|-40 to 0°C startup guaranteed, with spec deviation8|-40 to +70°C<br>-40 to 85° C|
|Altitude<br>Humidity|Operating:<br>Non-operating:<br>Non-Condensing|16,000 ft.<br>40,000 ft.<br>5% to 95%|
|Reliability|MTBF according to Telcordia - SR332-Issue 3|2.56 million hours|



## **7.** 

|**CONNECTOR**|**PIN**||**DESCRIPTION / CONDITION**|**DESCRIPTION / CONDITION**|**DESCRIPTION / CONDITION**|**DESCRIPTION / CONDITION**|**MANUFACTURER / PN**|
|---|---|---|---|---|---|---|---|
|AC Input Connector|J1||Pin 1<br>Pin 2<br>Pin 3|||AC Line<br>Not Fitted<br>AC Neutral|Molex: 26-60-4030<br>Mating: 09-50-3031; Pins: 08-50-0106|
|DC Output Connector|J2|Screw Terminal<br>(Option 1)|Pin 1<br>Pin 2|||V1 +VE<br>V1 - VE|6-32 inches Screw Pan HD<br>Mating: 16 AWG wire crimped to Ring<br>Tongue Terminal AMP: 8-31886-1|
|||Molex Connector|Pin 1,2,3,4|||V1 +VE|Molex: 26-60-4080|
|||(Option 2)|Pin 5,6,7,8|||V1 - VE|Mating: 09-50-3081; Pins: 08-50-0106|
|Aux (Fan) Output|J3||Pin 1<br>Pin 2|||FAN +VE<br>FAN -VE|AMP :640456-2<br>Mating: 640440-2|
|Earth|J4||||||Molex: 19705-4301<br>Mating: 19003-0001|



## **8.** 

|Weight|300 g|
|---|---|
|Dimensions|76.2 x 127.0 x 25.4 mm (3 x 5 x 1 inch)|



tech.support@psbel.com | 

ABC350 Series 

5 

Figure 1.  Mechanical Drawing - Screw Terminal (Option 1) 

Figure 2.  Mechanical Drawing - Molex Header (Option 2) 

- **NOTES:** In case the PCB is mounted in a metal enclosure, using metal hardware ensure the following: 1 Stand off, used to mount PCB has OD of 5.4 mm max. 

   - 2 Screws, used to fix PCB on stand off, have head dia of 6.0 mm max. 

   - 3 Washer, if used, to have dia of 6.5 mm max. 

**==> picture [3 x 14] intentionally omitted <==**

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


**Asia-Pacific Europe, Middle East North America** +86 755 298 85888 +353 61 49 8941 +1 866 513 2839 

© 2022 Bel Power Solutions & Protection 

BCD.00560_AH 

ABC350 Series 

6 

## **9.** 

Convection load: 180 W up to 50 °C De-rate above 50 °C @ 2.5% per °C 

Forced air cooled load: 300 W up to 50°C De-rate above 50 °C @ 2.5% per °C 

Convection load: 180 W up to 50 °C De-rate above 50 °C @ 2.5% per °C 

Forced air cooled load: 325 W up to 50°C De-rate above 50 °C @ 2.5% per °C 

Convection load: 200 W up to 50 °C De-rate above 50 °C @ 2.5% per °C 

Forced air cooled load: 350 W up to 50°C De-rate above 50 °C @ 2.5% per °C 

HEBER 5 F@. 

tech.support@psbel.com 

7 

## ABC350 Series 

E 100 Convection load: 126 W up to 50 °C 3; De-rate above 50 °C @ 2.5% per °C 

Convection load: 140W up to 50 °C De-rate above 50 °C @ 2.5% per °C 

**NUCLEAR AND MEDICAL APPLICATIONS** - Products are not designed or intended for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems. 

**TECHNICAL REVISIONS** - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice. 

**==> picture [48 x 12] intentionally omitted <==**

**----- Start of picture text -----**<br>
nee Beet<br>**----- End of picture text -----**<br>


**Asia-Pacific Europe, Middle East North America** +86 755 298 85888 +353 61 49 8941 +1 866 513 2839 

© 2022 Bel Power Solutions & Protection 

BCD.00560_AH

Updated at April 22, 2026

About Novapart

Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.

Learn more →

Stock Shortage Specialist

When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.

Request a quote →

Compliant Alternatives

We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.

BOM Analysis service →