1U ±120V DC Industrial PC ATX FANLESS Redundant Power Supply


1U ±120V DC Industrial PC ATX FANLESS Redundant Power Supply

Series Model No. Output Watts Input Voltage Input Voltage range Polarity reverse protection
120 STC-120550RDM 550W continuous ±120V DC ±90V ~ ±140V DC Fuse protected
 
 
ENVIRONMENTAL CONDITIONS:
● Operating Temperature: 0°C ~ +50°C Full Load
● Output Power: 100% @ 50°C, 70% @ 60°C
● Operating Humidity: 20%~85% RH. (Non condensing) (95% 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 30A/ 300V UL Approved Gold Plated Brass 1.2t/2-Pin Terminal
● Input Current  4.7A/7.33A (550W) @ Full Load High Line & Low Line
● Inrush Current Less than 20A Cold start @25°C ambient
 
 
DC OUTPUT CHARACTERISTICS:
Output Voltage Regulation Output Current Ripple & Noise
Load Line Cross 550W
Min Max
+5V ±5% ±1% ±5% 0A 20A 50mV
+12V 0A 43.5A 120mV
+3.3V 0A 20A 50mV
-12V ±8% 0A 0.5A 120mV
-5V(optional) ±5%     50mV
+5VSB ±5% 0A 3.5A 50mV
Maximum continuous combined load on +3.3 V & +5V DC output shall not exceed 166 Wattage
Maximum continuous combined load on +3.3 V & +5V & 12V DC output shall not exceed 532.5
Maximum continuous total DC output power shall not exceed 550

 
OVERALL PERFORMANCE: 
● Efficiency 85% typical @120V 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 (shutdown 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@3.6V~4.3V, +5V@5.5V~6.5V, +12V@13.2V~15.6V
   
RELIABILITY:  
● MTBF (Mean Time Between Failure): 100 000 hours @max. Load, 120V DC & 25°C ambient
● Safety Standards Meet IEC 60950-1, EN 60950-1
● Safety Approved  
● EMI Compatibility (EMC) Standard EN 55032: 2015/AC: 2016, Class A; EN 55035: 2017; CISPR 32: 2015 (Ed 2.0)/C1: 2016, IEC 6100-4-2: 2008; EN 6100-3-2: 2014; IEC 6100-4-3: 2006+A1: 2007+A2: 2010;
  EN 6100-3-3: 2013; IEC 6100-4-4: 2012; IEC 6100-4-5: 2014+A1: 2017; IEC 6100-4-6: 2013+CAR1: 2015; IEC 6100-4-8: 2009; IEC 6100-4-11: 2004+A1: 2017
   
ISOLATION:
 
● INPUT and OUTPUT are isolated by transformers and optical couplers
● Dielectric Withstand: INPUT to OUTPUT: 3kV DC for 60 seconds
● Dielectric Withstand: INPUT to FRAME GROUND: 3kV DC for 60 seconds
● Leakage Current: <0.005μA @120V DC
   
LED Indicator:  
● Power module 1: Green LED when Power On
● Power module 2: Green LED when Power On
   
Alarm function:  
● In the rear panel with power failure alarm signal to indicate when power failure wire
   
Alarm reset switch:  
● To reset by switch
   
Output Connector specific:  
● ATX 24 Pin x 1: Molex 29-01-2240 or equivalent
● +12V(P4) 4 pin x 1: Molex 39-01-2040 or equivalent
● HDD, DVD 4 pin x 4: 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 Pins x 1: Molex 39-01-2080 or equivalent
● PCIe 12V 6+2 pin x 2
   
Standard Output Cable Length:  
● 550mm ± 50mm / 21.6 inches  
   
PCB specific:  
● 6 layer  
● Copper: 3 Oz each layer  
● Thickness: 1.6 mm  
● Material: FR4  
● PCB material origin: Taiwan  
   
Power chassis Dimension:   
● 450(L) x 200(W) x 41.3(H) mm / 17.71(L) x 7.87(W) x 1.62(H) Inches
   
Note  
● Power Supply is not able to be used in stand alone application
● Use Power Supply in Power Chassis Assembly only

DOWNLOAD_specification_RD_STC-120550RDM.pdf
DOWNLOAD_DRAWING_stc-rd-450-M-20240205-3.pdf