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MORNSUN 450W AC/DC Enclosed Switching Power Supply LOF450-20Bxx

MORNSUN 450W AC/DC Enclosed Switching Power Supply LOF450-20Bxx
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MORNSUN 450W AC/DC Enclosed Switching Power Supply LOF450-20Bxx - 1

AC/DC 450W Open Frame Power Supply LOF450-20Bxx Series FEATURES  Universal 90 - 264VAC or 127 - 370VDC input voltage  Compact size 5” × 3”  Operating ambient temperature range: -40℃ to +70℃  Built-in active PFC function  Output short circuit, over-current, over-voltage protection, over-temperature protection  250W with air cooling, 450W with 25CFM  5VDC standby output, 12VDC fan supply, power good, power fail and remote sense  Suitable for BF application  Safety according to IEC/EN/UL62368, IEC/EN61558, GB4943, IEC/EN/ES60601-1(3th Edition), medical safety certification (2 x MOPP), IEC60601-1-2：2014 (4th Edition)  Operating altitude up to 5000m LOF450-20Bxx 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/ES60601-1 standards and they are widely used in areas of industrial, LED, street light control, electricity, security, telecommunications, smart home, etc. Selection Guide Certification UL/CE (Pending) Cooling method Nominal Output Voltage and Current (Vo/Io) Output Adjustable Range ADJ(V) Efficiency at Capacitive Load 230VAC (%) Typ. * (µF) Max. 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; 3.*LOF Products with shell is also available, named LOF450-20Bxx-C/CF. Input Specifications Item Input Voltage Range Operating Conditions Input Frequency Input Current Inrush Current Power Factor Cold start Full load MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright an

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MORNSUN 450W AC/DC Enclosed Switching Power Supply LOF450-20Bxx - 2

AC/DC 450W Open Frame Power Supply LOF450-20Bxx Series Leakage Current Contact leakage current Earth leakage current Output Specifications* Item Operating Conditions Output Voltage Accuracy* Full load Line Regulation Rated load Load Regulation Ripple & Noise* 20MHz bandwidth (peak-to-peak value) Stand-by Power Consumption Room temperature, 230VAC input, (PS-ON Low potential) Short Circuit Protection Recover time <5s after the short circuit disappear Temperature Coefficient Minimum Load Hold-up Time ≥105%Io, hiccup, self-recover ≤15.6VDC (Output voltage turn off, re-power on for recover)...

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MORNSUN 450W AC/DC Enclosed Switching Power Supply LOF450-20Bxx - 3

AC/DC 450W Open Frame Power Supply LOF450-20Bxx Series General Specifications Item Operating Conditions Isolation Test Insulation Resistance Input - output Input Output - Environment temperature: 25±5℃, Relative humidity: <95%RH, non-condensing Testing voltage: 500VDC Electric strength test for 1min., leakage current <5mA Input - output Input - output Input - Isolation level Operating Temperature Storage Temperature Storage Humidity Operating Humidity Power Derating Non-condensing Operating temperature derating Input voltage derating Safety Standard Safety Certification Safety Class...

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MORNSUN 450W AC/DC Enclosed Switching Power Supply LOF450-20Bxx - 4

AC/DC 450W Open Frame Power Supply LOF450-20Bxx Series Product Characteristic Curve LOF450-20B12/15 (full load 400W with 25CFM) LOF450-20B24/27/36/48 (full load 450W with 25CFM) LOF450-20Bxx Input Voltage Derating Curve Note: With an AC input voltage between 90 - 115VAC and a DC input between 127 - 160VDC the output power must be derated as per the temperature derating curves MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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MORNSUN 450W AC/DC Enclosed Switching Power Supply LOF450-20Bxx - 5

AC/DC 450W Open Frame Power Supply LOF450-20Bxx Series Dimensions and Recommended Layout LOF450-20Bxx Series Note: 1. For additional information on Product Packaging please refer to www.mornsun-power.com. Packaging bag number: 58220181 ; 2. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25℃, humidity<75%RH with 3. 4. 5. 6. 7. 8. 9. 10. nominal input voltage and rated output load; All index testing methods in this datasheet are based on our company corporate standards; In order to improve the efficiency, there will be audible noise generated...

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