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April 23, 2021

450 Watt 120 volt DC Input PC ATX-12 pin or ATX-12 Style Desktop Computer Power Supply

DC Input ATX style power supply, 120 volts DC input

450 watt 120VDC (90V-144V) Input ATX-12 Style power supplies for power stations, trains, and solar installations.

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
12 volt input DC ATX power supplies 24 volt input DC ATX power supplies 48 volt DC input ATX Power Supplies More 120VDC input ATX Power Supplies
These are robust, industrial grade power supplies with 120 volt DC input. They are useful for applications where battery or solar power is available. They are highly regulated switchmode power converters. For use in 120 volt solar systems, power plants, etc.


1. Has the European CE Mark, meets UL60950, TUV EN60950
2. DC powered ATX 24 pin connector. 24 pin to 20 pin adapter cable available upon request.

3. Remote ON/OFF
4. Built in EMI Filter, meets FCC Part 15 Class B, CISPER22, EN55022 Class B
5. "Power Good" signal
6. Terminal strip for DC input
 7. Suitable for power station requirements
8. DC 120 volt nominal, 90 ~144 VDC INPUT
9. Industrial quality design and manufacturing
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, 1500 VAC for 1 second input to output, 1500 VAC for 1 second input to frame ground.
 16. Mean time between failure >55,000 hours
 17. Dual ball bearing fan

Quick glance
Specs, see full specs below
Input Range Max
+5 V +3.3 V +12 V -5 V - 12 V +5 V SB
PSTC-120450 90 to 144 VDC, 120 volts nominal 450 W 60A 30 A 30 A 1 A 1 A 2 A
1 - 10 pieces

Special order, 4-5 week delivery

11-100 $275
101-500 $258
501+ Call
Detailed Specification:
Detailed Specifications V / A V / A V / A V / A V / A VSB /A  
PSTC-120450 +5V/60.0A +12V/30.0A -5V/1.00A -12V/1.00A +3.3V/30.0A +5V/2A  
  Amps 60 Amps 30 Amps 1 Amp 1 Amps 30 Amps 2 Amp  
  Minimum Load 1.5 Amps 0.2 Amps 0 Amps 0 Amps 0 Amps 0 Amps  
  Note:Combined continuous total power from +3.3V And +5V rails Not to Exceed 250W. Total Power 450W Max.
Output   Line Regulation   1%      
    Load Regulation   5%      
    Ripple & Noise   1%      
    Hold-up time   16ms      
Risetime       <20mS      
 Input 120 Volts Input Voltage 120Vdc nominal, 90~144 volts range
    Input Current 120V/4 Amp maximum
    Inrush Current 10 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 00C To 500C
    Storage Temperature -200C To 850C
Efficiency   65% typical at full load, 12 VDC input   Typical at full load
Safety   Meets UL/cUL   UL1950
    Meets TUV   EN60 950
EMI   FCC Class B
    CISPR   Class B
    EMC   CE Mark
Dimension   L x W x H 86 x 150 x 140 ( mm )
Weight   2.3 kg 5 pounds
  • ATX 24 Pin x1: Molex29-01-2240 or equivalent
  • +12V(P4) 4 pin x1: Molex 39-01-2040 or equivalent
  • HDD, DVD 4 pin x8: Molex 8981-04P or equivalent
  • FDD 4 pin x1: AMP171822-4 or equivalent
  • Serial ATA x2: Molex 675820000 or equivalent
  • Process EPS 8 Pins x1 Molex 39-01-2080 or equivalent
current ATX connector assortment
Cable length   550 mm nominal  For ATX 20 and 24 Pinout Diagrams Click Here
Note: our connector set is always up to date even though the list at the left may be dated.
Dimensions of ATX-12 computer power supply with 120 volt input:


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