KHC Power Technology Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 500Kpcs/month |
| Delivery Time | Negotiated |
| Packaging Details | Carton packed |
| Product Name | 750W AC DC Open Frame with PFC function power supply |
| Input voltage | 85-264VAC |
| Output Voltage | single Output |
| Input Frequency | 47~63HZ |
| MTBF | MIL-HDBK-217F@25℃ ＞300,000 h |
| Dimension | 127.0mm × 76.2mm × 43.0 mm |
| Weight | 625g (Typ.) |
| Cooling Method* | Air cooling (250W) / 25CFM(400W/450W) |
| Brand Name | MORNSUN |
| Model Number | LOF750-20Bxx Series |
| Certification | CE/UL/CB |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 500Kpcs/month |
| Delivery Time | Negotiated | Packaging Details | Carton packed |
| Product Name | 750W AC DC Open Frame with PFC function power supply | Input voltage | 85-264VAC |
| Output Voltage | single Output | Input Frequency | 47~63HZ |
| MTBF | MIL-HDBK-217F@25℃ ＞300,000 h | Dimension | 127.0mm × 76.2mm × 43.0 mm |
| Weight | 625g (Typ.) | Cooling Method* | Air cooling (250W) / 25CFM(400W/450W) |
| Brand Name | MORNSUN | Model Number | LOF750-20Bxx Series |
| Certification | CE/UL/CB | Place of Origin | China |
| High Light | PFC SMPS AC DC Power Supply ，750W AC DC Open Power Supply ，63HZ AC DC Open Power Supply | ||
750W AC DC Open Frame Switching Power Supply with PFC function single output
Descriptions
LOF750-20Bx series is one of Mornsun’s AC-DC miniaturize open frame power supply and suitable for all kinds of BF type(be accessible to patients) medical system equipment.It features universal AC input and at the same time accepts DC input voltage,cost-effective,low no load power consumption,high efficiency,high reliability and double or reinforced insulation.These converters offer excellent EMC performance and meet IEC/EN/UL62368,GB4943,IEC/EN60335,IEC/EN61558,IEC/EN/ES60601-1standards and they are widely used in areas of Medical, LED, street light control,electricity,security,telecommunications LED, smart home etc.
Features
Specifications
| Selection Guide | ||||||||
| Certification | Part No. | Cooling Method | Input Voltage Range (V) | Output Power (W)* | Nominal Output Voltage and Current (Vo/Io) | Output Adjustable Range ADJ (V) | Efficiency at 230VAC (%) Typ. * | Capacitive Load (µF) Max. |
|
-- | LOF750-20B12 | Air cooling | Full voltage range | 399.6 | 12V/33.3 | 1 1.4- 12.6 | 92 | 5000 |
| 25CFM | 699.6 | 12V/58.3 | ||||||
| LOF750-20B15 | Air cooling | Full voltage range | 400.5 | 15V/26.7 | 14.25- 15.75 | 92 | 5000 | |
| 25CFM | 700.5 | 15V/46.7 | ||||||
|
LOF750-20B24 | Air cooling | 1 15VAC | 400.8 | 24V/ 16.7 |
22.8-25.2 |
94 |
3000 | |
| 230VAC | 451.2 | 24V/ 18.8 | ||||||
| 25CFM | Full voltage range | 748.8 | 24V/31.2 | |||||
|
LOF750-20B27 | Air cooling | 1 15VAC | 399.6 | 27V/ 14.8 |
25.65-28.35 |
94 |
3000 | |
| 230VAC | 450.9 | 27V/ 16.7 | ||||||
| 25CFM | Full voltage range | 750.6 | 27V/27.8 | |||||
|
LOF750-20B36 | Air cooling | 1 15VAC | 399.6 | 36V/ 1 1. 1 |
34.2-37.8 |
94.5 |
2000 | |
| 230VAC | 450.0 | 36V/ 12.5 | ||||||
| 25CFM | Full voltage range | 748.8 | 36V/20.8 | |||||
|
LOF750-20B48 | Air cooling | 1 15VAC | 398.4 | 48V/8.3 |
45.6-50.4 |
95 |
2000 | |
| 230VAC | 451.2 | 48V/9.4 | ||||||
| 25CFM | Full voltage range | 748.8 | 48V/ 15.6 | |||||
|
LOF750-20B54 | Air cooling | 1 15VAC | 399.6 | 54V/7.4 |
51.3-56.7 |
95 |
1000 | |
| 230VAC | 449.8 | 54V/8.33 | ||||||
| 25CFM | Full voltage range | 750.0 | 54V/ 13.89 | |||||
| Notes: 1.*Under any conditions, the total power of the product should not exceed the rated power. When the output voltage is increased, the total output power cannot exceed the rated output power, when the output voltage is decreased, the output current cannot exceed the rated output current; 2.*When measuring the full load efficiency, the fan should be connected to an external power supply. Fan loss is not included in the input power. | ||||||||
| Input Specifications | ||||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit | |
| Input Voltage Range | AC input | 90 | -- | 264 | VAC | |
| DC input | 127 | -- | 370 | VDC | ||
| Input Frequency | 47 | -- | 63 | Hz | ||
| Input Current | 1 15VAC | -- | -- | 8 |
A | |
| 230VAC | -- | -- | 4 | |||
| Inrush Current | 1 15VAC | Cold start | -- | 50 | -- | |
| 230VAC | -- | 80 | -- | |||
| Power Factor | 1 15VAC | Full load | 0.98 | -- | -- | -- |
| 230VAC | 0.95 | -- | -- | |||
| Leakage Current | 264VAC | Contact leakage current | ＜0. 1mA | |||
| Earth leakage current | ＜0.5mA | |||||
| Hot Plug | Unavailable | |||||
| Output Specifications* | |||||||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit | ||||
| Output Voltage Accuracy* | Full load | 12V/ 15V/24V/27V | -- | ±2.0 | -- |
% | |||
| 36V/48V/54V | -- | ± 1.0 | -- | ||||||
| Line Regulation | Rated load | -- | ±0.5 | -- | |||||
| Load Regulation | 0%- 100% load | -- | ± 1.0 | -- | |||||
| Ripple & Noise* | 20MHz band width (peak-to-peak value) | -- | -- | 200 | V | ||||
| Temperature Coefficient | -- | ±0.03 | -- | %/C | |||||
| Minimum Load | 0 | -- | -- | % | |||||
| Hold-up Time | 25C, 115VAC/230VAC | 10 | -- | -- | ms | ||||
| Stand-by Power Consumption | Room temperature, 230VAC input (PS_ON Low and 5Vsb without load (including fan)) | -- | -- | 0.5 | W | ||||
| Short Circuit Protection | Recovery time <5s after the short circuit disappear | Hiccup, continuous, self-recover | |||||||
| Over-current Protection | ≥105%Io, hiccup, self-recover | ||||||||
|
Over-voltage Protection | 12V | ≤15.6V |
Output voltage turn off, re-power on for recover | ||||||
| 15V | ≤19.5V | ||||||||
| 24V | ≤31.2V | ||||||||
| 27V | ≤35. 1V | ||||||||
| 36V | ≤46.8V | ||||||||
| 48V | ≤60.0V | ||||||||
| 54V | ≤64.0V | ||||||||
| Over-temperature Protection | Protection when over-temperature, recover automatically after the temperature drops | ||||||||
| Fan Power * | The 5Vsb serves as the standby power supply and also supplies power to the fan, the maximum output current of the fan and 5Vsb is 2A | ||||||||
| PS_ON Input Signal* | Power on | PS_ON High | 2 | -- | 5 | V | |||
| Power off | PS_ON Low | 0 | -- | 0.6 | |||||
|
PG Signal* | Power on | The PG signal goes high with 10ms to 500ms delay after power set up | 10 |
-- | 500 |
ms | |||
| Power off/Power fail | The TTL signal goes low at least 1ms before output below 90% of rated value | 1 |
-- |
-- | |||||
| High level | High | 2 | -- | 6 | V | ||||
| Low level | Low | 0 | -- | 0.6 | |||||
| General Specifications | ||||||||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit | |||||
| Isolation Test | Input - output | Electric strength test for 1min, leakage current <10mA | 4000 | -- | -- |
VAC | ||||
| Input - | 2000 | -- | -- | |||||||
| Output - | 1500 | -- | -- | |||||||
| Insulation Resistanc e | Input - output | Environment temperature: 25±5C Relative humidity: <95%RH, non-condensing Testing voltage: 500VDC | 100 | -- | -- |
MQ | ||||
| Input - | 100 | -- | -- | |||||||
| Output - | 100 | -- | -- | |||||||
| Isolation level | Input - output | 2 × MOPP | ||||||||
| Input - | 1 × MOPP | |||||||||
| Output - | 1 × MOPP | |||||||||
| Operating Temperature | -40 | -- | +70 | C | ||||||
| Storage Temperature | -40 | -- | +85 | |||||||
| Storage Humidity | Non-condensing | 10 | -- | 95 | %RH | |||||
| Operating Humidity | 20 | -- | 90 | |||||||
|
Power Derating |
Operating temperature derating | 25CFM | 12V/ 15V(700W) | +50C to +70C | 2.0 | -- | -- | %/C | ||
| 24V/27V/36V/ 48V/54V(750W) | +50C to +70C | 2.0 | -- | -- | ||||||
|
Air cooling | 12V/ 15V(400W) | +45C to +70C | 7.9 | -- | -- |
W/C | ||||
| 24V/27V/ 36V/48V/ 54V (450W) | 90- 175VAC (400W) | +45C to +70C | 7.0 | -- | -- | |||||
| 176-264VAC (450W) | +45C to +70C | 9.0 | -- | -- | ||||||
| Input voltage derating | 90VAC - 1 15VAC | 0.8 | -- | -- | %/VAC | |||||
| 127VDC - 162VDC | 0.57 | -- | -- | %/VDC | ||||||
| Safety Standard | Design refer to IEC/EN62368- 1, ES/EN60601- 1, EN60335- 1, GB4943. 1 | |||||||||
| Safety Class | CLASS I/CLASS II | |||||||||
| MTBF | MIL-HDBK-217F@25C | >200,000 h | ||||||||
| Mechanical Specifications | |
| Case Material | Open frame |
| Dimension | 127.0mm × 76.2mm × 43.0 mm |
| Weight | 625g (Typ.) |
| Cooling Method* | Air cooling(400W/450W) / 25CFM (700W/750W) |
| Note: *Cooling method and power derating refer to typical characteristic curves. | |
Company Details
Business Type:
Manufacturer,Agent,Exporter
Year Established:
2012
Total Annual:
5000000-7000000
Employee Number:
150~200
Ecer Certification：
Site Member
KHC Power is a professional supplier of power supply, dededicated in standard power supply and customized power supply products,with over 25 years experience.ISO9001&ISO14001 certificated company. We can supply a broad range of power supply. such as AC/DC enclosed power... KHC Power is a professional supplier of power supply, dededicated in standard power supply and customized power supply products,with over 25 years experience.ISO9001&ISO14001 certificated company. We can supply a broad range of power supply. such as AC/DC enclosed power...
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