Specifications
3
TECHNICAL SPECIFICATIONS 
SEI-250 
Electrical Specifications 
  Input 
    Voltage    120 +10/-15% VAC 
    Frequency    50-60 Hz 
    Current     3 amps Max 
  Output 
    Voltage    42-56VDC 
    Current       4.5 amps  
Mechanical Dimensions 
    Width      19.00 Inches 
    Depth      5.00 Inches 
    Height      14.00 Inches 
    Weight     32 lbs 
SEI-500 
Electrical Specifications 
  Input 
    Voltage    120 +10/-15% VAC 
    Frequency    50-60 Hz 
    Current     6 amps Max 
  Output 
    Voltage    42-56VDC 
    Current       9 amps  
Mechanical Dimensions 
    Width      19.00 Inches 
    Depth      5.00 Inches 
    Height      20.00 Inches 
    Weight     34 lbs 
SEI-750 
Electrical Specifications 
  Input 
    Voltage    120 +10/-15% VAC 
    Frequency    50-60 Hz 
    Current     9 amps Max 
  Output 
    Voltage    42-56VDC 
    Current       13.5amps 
Mechanical Dimensions 
    Width      19.00 Inches 
    Depth      5.00 Inches 
    Height      20.00 Inches 
    Weight     36 lbs 










