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November 19, 2021

2500 Watt 48 volt DC Input PC ATX Style Power Supply

DC Input ATX style power supply, 12 volts input 48V 2500 watt DC Input ATX-12 Style PC PSU supplies for cars, autonomous vehicle computer power supply, solar and battery power
12 volt input DC ATX power supplies for cars 24 volt input DC ATX power supplies 48 volt input DC ATX power supplies 120 volt input DC ATX power supplies
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These are high-performance industrial grade ATX computer power supplies with 48 volt DC input. They are useful for applications where battery or solar power is available. These are regulated switching power converters. For use in 48 volt cars, boats, motor homes, etc.

PSTC-482500H Wide temperature range

Special order, allow 5 weeks
Special order, allow 5 weeks


1. Has the European CE Mark, meets IEC60950-1, EN60950
2. Standard connector kit up-to-date

3. Remote ON/OFF
4. Built in EMI Filter, meets FCC Part 15 Class B,EN55032:2015/AC:2016, CISPR32:2015, EN61000-3-2:2014, EN61000-3-3:2013, EN55024:2010 +A1:2015
5. "Power Good" signal
6. Terminal strip for DC input
7. >65% efficiency
8. DC 48 volt nominal, 37-71 VDC INPUT
9. Fully ATX compatible
10. Remote Sense for Main Output
11.100% ATE Test
 12.100% Hi-pot Test
13.100% Burn-in
14. Warranty : One year

 15. Fully isolated, 1000 VAC for 60 seconds input to output, 1000 VAC for 60 seconds input to frame ground.
 16. Mean time between failure >55,000 hours
 17. Dual ball bearing fan

Quick glance
Input Range Max
+5 V +3.3 V +12 V -5 V - 12 V +5 V SB
PSTC-482500 car PC power supply 37-71 VDC, 48 volts nominal 2500 W 35A 35 A 181A n/a 1 A 4 A
Detailed Specification:
Detailed Specifications V / A V / A V / A V / A V / A VSB /A  
PSTC-482500 +5V / 35A +12V / 181A -5V n/a -12V / 1.00A +3.3V / 35.0A +5V / 4A  
Maximum Amps 35 Amps 181 Amps n/a 1 Amps 35 Amps 6 Amp  
Minimum Load 1 Amps 0.5 Amps   0 Amps 1 Amps 0 Amps  
  Note: Combined Total Power From +3.3V And +5V rails Not to Exceed 230W. Total Power 2500W Max.
Output   Line Regulation   1%      
    Load Regulation   5%      
    Ripple & Noise   1%      
    Hold-up time   16ms      
Rise time       <20mS      
Input 48 Volts Input Voltage 48VDC nominal, 36-72 volts range
    Input Current 48V / 63 Amp maximum
    37V / 80 Amp maximum
    71V / 40 Amp maximum
    Inrush Current <350 Amps cold start
Protection   Over Power Protection 130% ± 10%
    Over Voltage Protection Yes, for +5V, +12V, +3.3V
    Short Circuit Protection Yes (All Outputs shutdown and latch off)
Environment   Operating Temperature 0°C To +50°C
-20°C To +60°C for the PSTC-482500H
    Storage Temperature -20°C To 85°C
Efficiency   >80% typical at full load, 48 VDC input   Typical at full load
Safety   Designed to meet IEC60950-1, EN60950-1   UL1950
    Meets TUV   EN60 950
EMI   EN55032:2015/AC:2016, CISPR32:2015, EN61000-3-2:2014, EN61000-3-3:2013, EN55024:2010 +A1:2015 Class B
    CISPR   Class B
    EMC   CE Mark
Dimension   L x W x H 450(L) x 150(W) x 86(H) mm / 17.7(L) x 5.9(W) x 3.39(H) Inches (standard PST-420mm depth)
Weight   13.5 kg 27.6 pounds
  • ATX 24 Pin x 1: Molex29-01-2240 or equivalent
  • +12V(P4) 4 pin x 1: Molex 39-01-2040 or equivalent
  • HDD, DVD 4 pin x 2: Molex 8981-04P or equivalent
  • FDD 4 pin x 2: AMP171822-4 or equivalent
  • Serial ATA x 8: Molex 675820000 or equivalent
  • Process EPS 8 Pins x 2 Molex 39-01-2080 or equivalent
  • PCIe 6 + 2 Pin x 10 (optional 16 sets maximum)
current ATX connector assortment
Cable length 530 mm nominal  For ATX 20 and 24 Pinout Diagrams Click Here
Drawing Drawing and cable specifications  
Dimensions of ATX-12 computer power supply with 48 volt input:

sketch with dimensions of the 48V 2500W PSU
Input DC terminals



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48 volt DC input ATX-12 power supply, Car PC power supply

64 volt DC input ATX-12 PSU

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