DC TO DC CONVERTERS

FEATURES

  • Wide input range.
  • Excellent line & load regulation.
  • Very low ripple & noise.
  • Over voltage / overload / short circuit protected.
  • Battery charging option.
  • CVCC / CV current limited option.
  • Very high reliability.
  • Rugged design & engineering for continuous use.
  • THREE YEAR unmatched warranty on most of the models.
  • Available in OPEN FRAME / OPEN CARD / DINRAIL MOUNTING / WALL PANEL MOUNTING / PLUG IN MODULE & 19 INCH RACK versions.

SPECIFICATIONS

INPUT
Voltage 12V / 18V / 24V / 48V / 72V / 110V / 220V / 380V DC
Voltage variation -20% / + 15%
Reverse Polarity Protected
EMI Filter / Transient suppression Provided
Inrush current Limited through inrush limiter and  soft start
OUTPUT
Voltage / Current See table
Line Regulation Better than 0.5%
Load Regulation Better than 0.5%
Ripple & Noise Less than 1% peak to peak
Short circuit protection Continuous with automatic recovery upon removal of overload / short circuit
Over voltage protection Shut down type between 110% to 115% of rated V. Recycle input to reset
Overall efficiency 75% upto 100W rating.
80% upto 250W rating.
85% upto 750W rating.
90% for above 750W rating.
( FOR 12V & 24V DC INPUTS THE EFFICIENCY IS LOWER BY ABOUT 5% )


PROTECTIONS
Input fuse
Input EMI filter & transient suppression
Input inrush current control
Output over voltage
Output overload and short circuit


ISOLATION
2.1KV rms for one minute between AC input & DC output terminals.
1.5KV rms for one minute between AC input & case.
Insulation resistance > 10M ohms @ 500V DC between DC output terminals & case.
All the metal part are dead & connected to earth (case).


ENVIRONMENT
Operating temperature range 0oC to 55oC
Humidity Up to 95% RH @40oC (non-condensing)
Cooling Natural / Forced air
Degree of protection IP20 (as per IEC 144)


OPTIONAL FEATURES

  • Output voltage adjustment potentiometer.
  • Power supply fail alarm through potential free relay contact.
  • Remote ON/OFF.
  • Active current sharing for parallel redundant operation.

RATINGS AVAILABLE AS STANDARD PRODUCTS
( Non standard ratings are also available against requirement )


SINGLE OUTPUT DUAL OUTPUT MULTIPLE OUTPUTS
5V/5A 5V/5A & 12V/1.5A 5V/0.5A, + 5V/0.3A, 12V/0.3A
12V/2A 5V/5A & 15V/1A 5V/0.5A, +12V/0.3A, 24V/0.3A
15V/1.8A 5V/5A & 24V/0.5A 5V/0.5A, + 15V/0.3A, 12V/0.3A
24V/1A 5V/8A & 12V/1.5A 5V/1A, + 12V/0.5A
5V/6A 5V/8A & 15V/1A 5V/1A, + 15V/0.5A
12V/5A 5V/8A & 24V/0.5A 5V/0.5A, +5V/0.3A, +15V/0.3A, 12V/0.3A
15V/4A 12V/4A & 5V/1A 5V/30A, + 12V/3A
24V/2.5A 24V/2A & 5V/1A 5V/40A, +12V/3A, -12V/1.5A
48V/1.25A 24V/2A & 12V/1A  
5V/12A 24V/2A & 15V/1A  
12V/10A 24V/5A & 5V/1.5A  
15V/8A 24V/5A & 12V/1.5A  
24V/5A 24V/5A & 15V/1.5A  
48V/3A 5V/0.5A & 12V/0.3A  
5V/20A    
12V/20A    
24V/10A    
48V/5A    
12V/40A    
24V/20A    
48V/10A    
24V/25A    
24V/40A    
48V/20A    
48V/25A    



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