AC/DC 75W Enclosed Switching Power Supply industry power supply
Descriptions
LI75-20BxxR2 is Mornsun AC-DC converter series featuring a cost-effective,energy efficient green power supply solution for standard DIN-rail mounting.
The products offer a high level of stability and immunity to noise.These light weight AC-DC converters have an extremely compact design and the standard rail installation for space saving.With good EMC performance,compliant with international IEC/EN/UL62368,IEC/EN60335,GB4943,UL508 standards for EMC and safety.
Applications:
industrial control equipment,machinery,and other industrial equipment in a variety of harsh environments.
FEATURES
| 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 |
LI75-20B12R2 |
75 |
12V/6.3A | 12-14 | 86 | 6000 |
| LI75-20B24R2 | 24V/3.2A | 24-28 | 89 | 1500 | ||
| LI75-20B48R2 | 48V/1.6A | 48-53≥86 | 90 | 1000 | ||
| Note: *Use suffix “Q” for conformal coating. | ||||||
| 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 | ＜3.5mA | ||||
| 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. | Constant current, continuous, self-recovery | ||||
|
Over-current Protection |
105% - 150% Io, constant current mode, automatic recover after fault condition isremoved |
|||||
|
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 | |||||
|
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. |
||||||
| Mechanical Specifications | |
| Case Material | Metal (AL5052, SGCC) and Plastic (PC940) |
| Dimensions | 30.00 x 128.00 x 120.00 mm |
| Weight | 370g (Typ.) |
| Cooling Method | Free air convection |
Our products are sold all over the world, you can rest assured.
