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  AC-DC ITE Swiching Power Supply      
        ABR300U Series     ( U Bracket )   
 
    High Efficiency Power  
  300 Watts          Feature  
     
 
ABR300U Series


  Compact Size in 5.5 x 3.25 x 1.59 inches
  Package: U Bracket
  Operating Temperature: -40~65 degrees
  90~264 VAC Universal Input Rang
  Active P.F.C. Function, PF>0.9
  300W Conduction Cooling
  300W Convection with 18CFM FAN
   Current Share Function
  Protections: Over Current / Over Voltage /
   Over Temperature / Short Circuit Protection
  Safety approval by CE
 
        Safety Approval: Down Load ABR300U Series SPC.
Down Load ABR300U Series 3D File
   
         
    Specification
  1.All specifications valid at nominal input voltage,full load and +25XC after warm-up time unless otherwise stated.
2.Measured with 0.1U 50V // 47U 50V Ceramic Cap. Cross to output
 
           
      Input Specification  
      Characteristics     Conditions  
      Voltage Range     AC IN   90 ~ 264 VAC
  
  
 
      DC IN   120 ~ 370 VDC
  
 
      Frequency     50 / 60 Hz (47 ~ 63 Hz)
 
           
     Output Specification  
      Characteristics     Conditions  
      Output Power     300 Watt  (max.)  
      Voltage Accuracy
    (Full Load and Nominal Vin)
    Single:   2%  
           
           
      Minimum Load     (at Full Load)     0%  
      Line Regulation    
    (10% to 100% at Full Load)
    Single:   1% (typ.)  
           
           
      Load Regulation    
    (10% to 100% at Full Load)
    
    
    Single:   12S:2%
  others:1%
(typ.)  
           
           
      Ripple    (20MHz bandwidth)     12S:150mV (Vp-p)
    24S,28S:200mV (Vp-p)
(max.)  
      48S:300mV (Vp-p)  
      Noise    (20MHz bandwidth)     12S:150mV (Vp-p)
    24S,28S:200mV (Vp-p)
(max.)  
      48S:300mV (Vp-p)  
      Temperature Coefficient     0.05% / XC ( 0 XC~50 XC )  (max.)  
      Short Circuit Protection     Protection level 1 (nominal)GContinuous, Auto recovery
    Protection level 2 (instantaneous high current)GLatch
 
           
     General Specification  
      Characteristics     Conditions  
      Switching Frequency       (typ.)  
      Isolation Voltage  (Input to Output)     3000 VAC  (min.)  
      Operating Temperature     -40 XC to +65 XC  (with derating)  
      Storage Temperature     -40 XC to +85 XC  
      Humidity     95% RH  (max.)  
      Cooling     Conduction cooling  
           
     Physical Specification  
      Characteristics     Conditions  
      Dimension    (Tolerance 0.5)     150.0 x 106.0 x 35.0 mm  
      6.0 x 4.18 x 1.38 inches  
      Weight     560 g  
      Case Material     U Bracket  
           
 
      Model  
   
     
 
Model No.
(Ordering Part No.)
Input Range Output Voltage Output Current Eff
( V.AC ) ( V.DC ) ( mA ) ( % )
Single Output Models
 ABR300U-12S 90 ~ 264 VAC  12    25,000 88.5
 ABR300U-24S 90 ~ 264 VAC  24    12,500 89
 ABR300U-28S 90 ~ 264 VAC  28    11,000 89
 ABR300U-48S 90 ~ 264 VAC  48    6250 90
 
     
  Please refer to the PDF file published on the web site as the final version.