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Universal 90 - 264VAC or 120 - 370VDC Input voltage
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Accepts AC or DC input (dual-use of same terminal)
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Operating ambient temperature range: -30℃ to +70℃
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High I/O isolation test voltage up to 4000VAC
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Low ripple & noise
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Output short circuit, over-current, over-voltage, over-temperature protection
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DIN rail TS-35/7.5 or 15 mountable
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Suitable for small chassis and narrow space installation
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Safety according to CE, BS EN62368
Selection Guide | ||||||
Certification | Part No. | Output Power (W) | Nominal Output Voltage and Current (Vo/Io) | Output Voltage Adjustable Range (V) | Efficiency at 230VAC (%) Typ. | Max. Capacitive Load (µF) |
EN/BIS |
ND-75-12 | 75.6 | 12V/6.3A | 12-14 | 86 | 6000 |
ND-75-24 |
76.8 |
24V/3.2A | 24-28 | 89 | 1500 | |
ND-75-48 | 48V/1.6A | 48-53 | 90 | 1000 |
Input Specifications | ||||||
Item | Operating Conditions | Min. | Typ. | Max. | Unit | |
Input Voltage Range |
AC input | 90 | -- | 264 | VAC | |
DC input | 120 | -- | 370 | VDC | ||
Input Voltage Frequency | 47 | -- | 63 | Hz | ||
Input Current |
115VAC | -- | -- | 2 |
A |
|
230VAC | -- | -- | 1 | |||
Inrush Current |
115VAC |
Cold start |
-- | 25 | -- | |
230VAC | -- | 45 | -- | |||
Leakage Current | 240VAC | <0.5mA | ||||
Hot Plug | Unavailable |
Output Specifications | ||||||
Item | Operating Conditions | Min. | Typ. | Max. | Unit | |
Output Voltage Accuracy |
Full load range |
12V | -- | ±2.0 | -- |
% |
24V/48V | -- | ±1.0 | -- | |||
Line Regulation | Rated load | -- | ±0.5 | -- | ||
Load Regulation | 0% - 100% load | -- | ±1.0 | -- | ||
Ripple & Noise* |
20MHz bandwidth (peak-to-peak value) |
12V | -- | -- | 80 |
mV |
24V | -- | -- | 120 | |||
48V | -- | -- | 150 | |||
Temperature Coefficient | -- | ±0.03 | -- | %/℃ | ||
Minimum Load | 0 | -- | -- | % | ||
Hold-up Time |
115VAC | 12 | -- | -- |
ms |
|
230VAC | 60 | -- | -- | |||
Short Circuit Protection | Recovery time < 3s after the short circuit disappear. | Constan tcurrent,continuous,self-recovery | ||||
Over-current Protection |
Normal temperature | 105% - 150% Io, constant current mode, automatic recover after fault condition is removed | ||||
Low temperature, high temperature | ≥105%Io, constant current mode, automatic recover after fault condition is removed | |||||
Over-voltage Protection |
12V | ≤17V (Output voltage turn off, re-power on for recover) | ||||
24V | ≤33V (Output voltage turn off, re-power on for recover) | |||||
48V | ≤60V (Output voltage turn off, re-power on for recover) | |||||
Over-temperature Protection | Output voltage turn off, re-power on for recover after the temperature drops. | |||||
Note: *The “Tip and barrel method” is used for ripple and noise test, output parallel 47uF electrolytic capacitor and 0.1uF ceramic capacitor, please refer to Enclosed Switching Power Supply Application Notes for specific information. |
General Specifications | |||||||
Item | Operating Conditions | Min. | Typ. | Max. | Unit | ||
Isolation Test |
Input - |
Electric strength test for 1min., leakage current <10mA |
2000 | -- | -- |
VAC |
|
Input - output | 4000 | -- | -- | ||||
Output - | 500 | -- | -- | ||||
Insulation Resistance |
Input - |
At 500VDC |
50 | -- | -- |
MΩ |
|
Input - output | 50 | -- | -- | ||||
Output - | 50 | -- | -- | ||||
Operating Temperature | -30 | -- | +70 |
℃ |
|||
Storage Temperature | -40 | -- | +85 | ||||
Storage Humidity |
Non-condensing |
10 | -- | 95 |
%RH |
||
Operating Humidity | 20 | -- | 90 | ||||
Switching Frequency | -- | 65 | -- | kHz | |||
Power Derating |
Operating temperature derating | -30℃ to -10℃ | 2.0 | -- | -- |
%/℃ |
|
+45℃ to +70℃ | 2.0 | -- | -- | ||||
Input voltage derating | 90VAC - 100VAC | 2.0 | -- | -- | %/VAC | ||
Safety Standard |
IS13252 (Part1) safety approved & EN62368-1 (Report) Design refer to BS EN 62368-1 |
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Safety Class | CLASS I | ||||||
MTBF | MIL-HDBK-217F@25℃ | ≥300,000 h |
Mechanical Specifications | |
Case Material | Metal (AL1100, SGCC) |
Dimensions | 32.00 x 125.00 x 87.50mm |
Weight | 350g (Typ.) |
Cooling Method | Free air convection |
Electromagnetic Compatibility (EMC) | |||
Emissions |
CE | CISPR32/EN55032 CLASS B | |
RE | CISPR32/EN55032 CLASS B | ||
THD | IEC/EN 61000-3-2 CLASS A | ||
Immunity | ESD | IEC/EN 61000-4-2 Contact ±6KV/Air ±8KV | perf. Criteria A |
RS | IEC/EN 61000-4-3 10V/m | perf. Criteria A | |
EFT | IEC/EN 61000-4-4 ±2KV | perf. Criteria A | |
Surge | IEC/EN 61000-4-5 line to line ±2KV/line to ground ±4KV | perf. Criteria A | |
CS | IEC/EN61000-4-6 10 Vr.m.s | perf. Criteria A | |
Voltage dips, short interruptions and voltage variations immunity | IEC/EN61000-4-11 0%, 70% | perf. Criteria B |