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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% )
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| 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 |
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| 5V/12A |
24V/2A & 15V/1A |
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| 12V/10A |
24V/5A & 5V/1.5A |
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| 15V/8A |
24V/5A & 12V/1.5A |
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| 24V/5A |
24V/5A & 15V/1.5A |
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| 48V/3A |
5V/0.5A & 12V/0.3A |
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| 5V/20A |
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| 12V/20A |
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| 24V/10A |
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| 48V/5A |
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| 12V/40A |
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| 24V/20A |
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| 48V/10A |
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| 24V/25A |
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| 24V/40A |
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| 48V/20A |
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| 48V/25A |
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