1U ±48V DC Industrial PC ATX Power Supply 83mm width


1U ±48V DC Industrial PC ATX Power Supply 83mm width

Series Model No. Output Watts Input Voltage Input Voltage range Polarity reverse protection
48 STC-48450II 450W continuous ±48V DC ±37V ~ ±71V DC Fuse protected
   
ENVIRONMENTAL CONDITIONS:
● Cooling: Forced Air-cooling, 40x40x28 mm Fan x 1 (With Two Ball Bearing)
● Fan brand: DELTA, NMB, SUNON. Specifications are equivalent
● Operating Temperature: 0°C ~ +50°C (-20°C~+60°C, H version is optional) Full Load
● Operating Humidity: 20%~85% RH. (Non condensing) (95% RH Optional)
● Storage Temperature -20°C~+80°C 
● Storage Humidity: 10%~90% RH. (Non condensing)
● Operating Altitude 10M Below Sea level and 3000M Above Sea level
   
   
DC INPUT CHARACTERISTICS:
● Input connector type 40A/300V Single table type Terminal x 2
● Input Current  8A/16.25A(450W) @Full Load High Line & Low Line
● Inrush Current Less than 15A Cold start @25°C ambient
   
   
DC OUTPUT CHARACTERISTICS:
Output Voltage Regulation Output Current Ripple & Noise
Load Line Cross 450W
Min Max
+5V ±3% ±1% ±5% 0A 40A 50mV
+12V 0A 30A 120mV
+3.3V 0A 22A 50mV
-12V ±8% 0A 0.3A 120mV
+5VSB ±5% 0A 2.5A 50mV
Maximum continuous combined load on +3.3 V & +5V DC output shall not exceed   Watt
Maximum continuous combined load on +3.3 V & +5V & 12V DC output shall not exceed 420
Maximum continuous total DC output power shall not exceed 450
   
OVERALL PERFORMANCE: 
● Efficiency 70~75% typical @48V DC Full Load
● Hold up time The output voltage stays regulated for at least 16ms with 100% load after loss of DC input
● Rise time The output voltage rise from 10% to 90% with full load shall be in 20ms maximum
● Power Good Signal   TTL Compatible signal, on delay 100~500ms, off delay 1ms min
● Short Circuit Protection (SCP) All output equipped with SCP (shutdows and latch off)
● Over Power Protection (OPP) Peak power protected to 130%±10% of continuous rated power
  (shutdown and latch off)
● Over Voltage Protection (OVP) +3.3V@4.5V, +5V@6V, +12V@15.6V
   
RELIABILITY:  
● MTBF (Mean Time Between Failure): 80 000 hours @max. Load, 48V DC & 25°C ambient
● Safety Standards Meet IEC 62368-1, EN 62368-1
● Safety Approved  
● EMI Compatibility (EMC) Standard EN 55032:2015/AC:2016, CISPR 32:2015, EN 6100-3-2:2014,
  EN 6100-3-3:2013, EN 55024:2010 +A1:2015
   
   
ISOLATION:
 
● INPUT and OUTPUT are isolated by transformers and optical couplers
● Dielectric Withstand: INPUT to OUTPUT: 1000V DC for 60 seconds
● Dielectric Withstand: INPUT to FRAME GROUND: 1000V DC for 60 seconds
● Leakage Current: <0.005μA @ 48V DC
   
Output Connector Specific:
● ATX 24 Pin x 1: Molex 29-01-2240 or equivalent
● HDD, DVD 4 pin x 2: Molex 8981-04P or equivalent
● FDD 4 pin x 1: AMP 171822-4 or equivalent
● Serial ATA x 4: Molex 675820000 or equivalent
● CPU EPS 8 (4+4) Pin x 2: Molex 39-01-2080 or equivalent
● PCIe 6 + 2 Pins x 1  
   
PCB specific:  
● 4 layer
● Copper 3 Oz each layer
● Thickness: 1.6 mm
● Material: FR4
● PCB material origin: Taiwan


   
Standard Output Cable Length:
● 600 mm ±20 mm / 23.6 inches / 23.6 inches
   
   
PCB specific:  
● 4 layer  
● Copper 3 Oz each layer
● Thickness: 1.6 mm
● Material: FR4
● PCB material origin: Taiwan
   
   
Power chassis Dimension:
● 250(L) x 83(W) x 40(H) mm / 9.84(L) x 3.27(W) x 1.57(H) inches
   
   
Net Weight:  
● 2 kg / 4.41 lbs
   
   
Gross Weight:  
● 2.1 ~ 2.4 kg / 4.63 ~ 5.29 lbs
   
   
Packing Detail:  
● 10 pcs  
   
   
Measurement of Carton
● 0.042 m3 / 1.49 Cuft

DOWNLOAD_specification_1UATX_STC_48450II.pdf
DOWNLOAD optional Input connector specification_62GB-12E14-04PN-s.pdf
DOWNLOAD_Chassis&Wire_stc-dtd-1u-250_83mm-20250813.pdf