ABC300-1T24G

## **WLT300** 

The ABC300 Series of open-frame power supplies, with its wide universal 90-264 VAC input range and high power density, is available at 300 W of output power and a variety of 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** 

- 5 x 3 x 1.5 inch form factor 

- 200 W convection cooled 

- No minimum load required 

- 5 V Standby output 

- 12 V Fan output 

- Inhibit & Power Good signals 

- IEC Protection Class Options: 

   - Class I: Earth pin J4 (no suffix) 

   - `o` Class II: No Earth pin (-2 suffix) 

- IEC / EN / UL 62368-1 Compliant 

- RoHS Compliant 

- CE marked 

## **Applications** 

- Instrumentation 

- Lighting 

- Industrial Applications 

- Applied Computing 

- Renewable Energy 

- Test and Measurement 

- Robotics 

- Wireless Communication 

## ssAges . 

ABC300 Series 

2 

## **1. MODEL SELECTION** 

|**MODEL**|**CONNECTOR**|**OUTPUT**<br>**VOLTAGE**|**MAX LOAD**<br>**CONVECTION**|**MAX LOAD **<br>**300 LFM**|**MINIMUM**<br>**LOAD**|**RIPPLE &**<br>**NOISE 1**|**POWER**|
|---|---|---|---|---|---|---|---|
|ABC300-1T05G|Screw Terminal|5 VDC|28.0 A|40.0 A|0.0 A|2%|200 W|
|ABC300-1T12G|Screw Terminal|12 VDC|16.67 A|25.0 A|0.0 A|2%|300 W|
|ABC300-1T15G|Screw Terminal|15 VDC|13.33 A|20.0 A|0.0 A|2%|300 W|
|ABC300-1T24G|Screw Terminal|24 VDC|8.33 A|13.54 A|0.0 A|2%|325 W|
|ABC300-1T30G|Screw Terminal|30 VDC|6.67 A|10.83 A|0.0 A|2%|325 W|
|ABC300-1T48G|Screw Terminal|48 VDC|4.17 A|6.77 A|0.0 A|2%|325 W|
|Cover-300-XBC2|Metal cover kit accessory|||||||



- 1 Ripple is peak to peak with 20 MHz bandwidth and 10 µF (Electrolytic capacitor) in parallel with a 0.1 µF capacitor at rated line voltage and load ranges. 

- 2 When used in Cover Kit, de-rate output power to 70 % under all operating conditions. 

## **2. INPUT SPECIFICATIONS** 

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

|**PARAMETER**|**DESCRIPTION / CONDITION**|**SPECIFICATION**|
|---|---|---|
|Input Voltage|Universal|90 – 264 VAC / 120 – 390 VDC|
|Input Frequency||47 to 63 Hz|
|Input Current|120 VAC<br>230 VAC|3.2 A max<br>1.65 A max|
|No Load Power||0.8 W|
|Inrush Current|120 VAC<br>230 VAC|35 A max<br>65 A max|
|Leakage Current|120 VAC<br>230 VAC|< 150μA<br>< 300μA|
|Switching Frequency|PFC converter (fixed)<br>Resonant converter (variable)|80 kHz typical<br>35 to 250 kHz, 90 kHz typical|



tech.support@psbel.com 

ABC300 Series 

3 

## **3. OUTPUT SPECIFICATIONS** 

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|---|---|---|---|---|
|PARAMETER|DESCRIPTION / CONDITION|SPECIFICATION|
|Output Voltage|[ 3]|12 to 48 V|
|Stand-by Output|[4]|5 VDC|
|Output Power|[ 5, 6]|Derate linearly to 80% from 90 VAC to 80 VAC input.|200 to 325 W|
|120 VAC|88% typical|
|Efficiency|230 VAC|92% typical|
|Hold Up Time|120 / 230 VAC|10 ms|
|120 VAC|0.98|
|Power Factor|
|230 VAC|0.95|
|Line Regulation|± 0.5 %|
|Load Regulation|± 2 %|
|Transient Response|50% to 100% load change, 50 Hz, 50% duty cycle, 0.1 A/|μ|s,|< 10 %, recovery time < 5 ms|
|Rise Time|< 100 ms|
|Set Point Tolerance|± 1 %|
|Voltage Output Adjustment|± 3 %|
|Over Voltage Protection|Automatic recovery|110 to 150 %|
|Over Current Protection|110 to 150 %|
|Short Circuit Protection|Short term, automatic recovery|
|Over Temperature Protection|Automatic Recovery|110° C primary heat sink|
|5 V model|140 W max|
|Convection|
|12, 15, 24, 30 & 48 V models|200 W max|
|Cooling|[ 7]|5 V model|200 W max|
|With 300 LFM|12 &15 V models|300 W max|
|24, 30 & 48 V models|325 W max|

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- 3 Peak current rating on main output is 120% of max., lasting < 30 s with a maximum 10% duty cycle. 

> 4 Standby output voltage tolerance including set point accuracy, line and load regulation is +/-10%. Ripple and noise is less than 5%. 

> 5 Combined output power of main output, fan supply and standby supply shall not exceed max. power rating. 

> 6 Derate output power linearly to 80% from 90 VAC to 80 VAC input. 

7 

- Refer de-rating curves to determine output power over the entire operating temperature range 

## **4. EMC SPECIFICATIONS** 

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|---|---|---|
|PARAMETER|DESCRIPTION / CONDITION|SPECIFICATION|
|Conducted Emissions|EN 55032-B, CISPR22-B, FCC PART15-B|Pass|
|EN 55032 A;|Pass|
|Radiated Emissions|
|With external core (King core K5B RC 25x12x15-M in input cable)|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 3, 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|

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© 2022 Bel Power Solutions & Protection 

BCD.00285_AG 

ABC300 Series 

4 

## **5. SAFETY SPECIFICATIONS** 

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|---|---|---|
|PARAMETER|DESCRIPTION / CONDITION|SPECIFICATION|
|Isolation Voltage|Input to Output:|4000 VAC / VDC|
|IEC 62368-1:2014, EN 62368-1:2014; A11, UL 62368-1 and|
|Safety Standards|CAN/CSA C22.2 No. 62368-1-14|
|Agency Approvals|Nemko, UL|
|CE mark|Complies with LVD Directive|

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## **6. ENVIRONMENTAL SPECIFICATIONS** 

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|---|---|---|
|PARAMETER|DESCRIPTION / CONDITION|SPECIFICATION|
|Refer to de-rating curves|-20 to 70°C|
|Operating Temperature|
|-20 to 0°C start-up is guaranteed|
|Storage Temperature|-40 to 85° C|
|Relative Humidity|Non-Condensing|95% Rh|
|Altitude|Operating:|10,000 ft.|
|Non-Operating:|40,000 ft.|
|Reliability|MTBF according to Telcordia –SR332-issue 3|1.77 million hours|

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## **7. SIGNALS** 

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|---|---|---|
|PARAMETER|DESCRIPTION / CONDITION|
|Power Good|[ 8]|TTL signal goes high after main output is within regulation band, delay is 0.1 to 0.3 s|
|Remote On/ Off|To turn on PSU short remote pin to ground|
|Remote Sense|Compensates for 200 mV drop|

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- 8 Power good signal cannot be used as a current source. Internal pull up resistor from PG signal to 5V is 10K. It is recommended to use external transistor if intended to source current. 

## **8. CONNECTOR & PIN DESCRIPTION** 

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|---|---|---|---|---|---|
|CONNECTOR|PIN|DESCRIPTION / CONDITION|MANUFACTURER / PN|
|Pin 1|AC LINE|Molex: 26-60-4030|
|AC Input Connector|J1|Pin 2|AC NEUTRAL|Mating: 09-50-3031; Pins: 08-50-0106|
|6-32 inches Screw Pan HD|
|Mating: Designed to accept Ring Tongue Terminal AMP : 8-31886-1,|
|DC Output Connector|J2|Pin 1 Pin 2|RTN V1|wherein one 16 AWG (max) wire can be crimped. Note: One Ring Tongue Terminal with 16 AWG is recommended for|
|current up to 11 A only.|
|Use multiple tongue terminals with wire for more current.|
|Pin 1|REMOTE ON/OFF|
|Pin 2|RTN|
|Pin 3|VFAN (+12 V/0.5 A)|
|Pin 4|-VE REMOTE SENSE|Molex: 22-23-2081|
|Signal Connector|J3|[9]|Pin 5|VSTBY (+5 V/2 A, +/-5%)|Mating: 22-01-2087; Pins: 08-50-0113|
|Pin 6|+VE REMOTE SENSE|
|Pin 7|RTN|
|Pin 8|POWER GOOD|
|Molex: 19705-4301|
|Earth (Spade Connector)|J4|(Class I product only)|
|Mating: 190030001|

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- 9 PSU is supplied with J3 housing, pin-1 and pin-2 shorted to enable main output without remote on/off feature. 

tech.support@psbel.com 

5 

## ABC300 Series 

## **9. DERATING CURVES** 

The de-rating curves are valid for input voltages of 115 to 264 VAC. Below 115 VAC to 90 VAC the convection rating is 180 W max. 

Forced air cooled load: 200 W up to 40°C De-rate above 40 °C @ 1.67% per °C 

Convection load: 140 W up to 40 °C De-rate above 40 °C @ 1.67% per °C 

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

Convection load: 200 W up to 40 °C De-rate between 40-50 °C @ 1% per °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 40 °C De-rate between 40-50 °C @ 1% per °C De-rate above 50 °C @ 2.5% per °C 

Figure 1.  Derating Curves 

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© 2022 Bel Power Solutions & Protection 

BCD.00285_AG 

ABC300 Series 

6 

## **10. MECHANICAL SPECIFICATIONS** 

|**PARAMETER**|**DESCRIPTION / CONDITION**|
|---|---|
|Weight|450 g (0.99 lbs)|
|Dimensions|127.0 x 76.2 x 38.1 mm (5.0 x 3.0 x 1.5 inch)|



Figure 2. Mechanical Drawing 

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tech.support@psbel.com 

ABC300 Series 

7 

Figure 3. Mechanical Drawing with Cover Kit 

- **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. 

## **For more information on these products consult: tech.support@psbel.com** 

**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. 

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**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.00285_AG