4U ±120V DC Industrial PC PS2 ATX Mini Redundant Power Supply


4U ±120V DC Industrial PC PS2 ATX Mini Redundant Power Supply

Series Model No. Output Watts Input Voltage Input Voltage range Polarity reverse protection
120 STC-120750RD 750W continuous ±120V DC
(Optional 110V AC) 		±85V ~ ±144V DC
(Optional 90V ~ 130V AC) 		Fuse protected
120 STC-120600RD 600W continuous ±120V DC
(Optional 110V AC) 		±85V ~ ±144V DC
(Optional 90V ~ 130V AC) 		Fuse protected
 
 
ENVIRONMENTAL CONDITIONS:
● Cooling: Forced Air Cooling, 40x40x28 mm Fan x 2 (with 2 x Ball Bearing)
● Fan brand: DELTA, NMB, SUNON. Specifications are equivalent
● 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  5.2A/8.8A(600W) 6.14A/10.4A(750W) @ Full Load High Line & Low Line
● Inrush Current Less than 50A Cold start @25°C ambient
 
 
DC OUTPUT CHARACTERISTICS:
Output Voltage Regulation Output Current Ripple & Noise
Load Line Cross 750W 600W
Min Max Min Max
+5V ±5% ±1% ±5% 1A 35A 1A 35A 50mV
+12V 1A 50A 1A 40A 120mV
+3.3V 0.5A 22A 0.5A 22A 50mV
-12V ±8% 0A 0.3A 0A 0.3A 120mV
-5V (Optional) ±5% 0A 0.5A 0A 0.5A 50mV
+5VSB ±5% 0A 3.5A 0A 3.5A 50mV
Maximum continuous combined load on +3.3 V & +5V DC output shall not exceed 175 175 Watt
Maximum continuous combined load on +3.3 V & +5V & +12V DC output shall not exceed 720 570
Maximum continuous total DC output power shall not exceed 750 600

 
OVERALL PERFORMANCE:   
● Efficiency 82% 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, 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: 2000V DC for 60 seconds
● Dielectric Withstand: INPUT to FRAME GROUND: 2000V 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 2: Molex 675820000 or equivalent
● CPU EPS 8 Pins x 1: Molex 39-01-2080 or equivalent
● PCIe x 2 / STC-120600RD
● PCIe x 3 / STC-120750RD
   
Standard Output Cable Length:  
● 500 mm / 19.68 inches  
   
PCB specific:  
● 4 layer  
● Copper: 3 Oz each layer  
● Thickness: 1.6 mm  
● Material: FR4  
● PCB material origin: Taiwan  
   
Power chassis Dimension:   
● 225(L) x 150(W) x 86(H) mm / 8.86(L) x 5.9(W) x 3.39(H) Inches
   
Rackmount chassis solution:  
● 4U IPC Chassis 510mm Model no. GHI419ATX
   
Screw hole:  
● Front Panel with 4 screw holes
● Rear panel bracket with 2 screw holes
   
Net Weight:  
● 4.8 kg / 10.85 lbs  
   
Gross Weight:  
● 6 kg / 13.22 lbs  
   
Packing Detail  
● 2 pcs  
● 12 kg / 26.45 lbs  
   
Measurement of Carton  
● 0.045 m3 / 1.59 Cuft
   
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-120750RD
DOWNLOAD_alarm_diagram_STC-xxx00RD
DOWNLOAD_stc-12400rd_stc-24500rd_stc-48600rd_stc-48750rd.(stc-ps2-rd-225)-20230331-1.pdf