500W 550W Open Frame Linear Power Supply , PFC Switching Power Supply 24 Volt

Brand Name:MORNSUN
Certification:CE/UL/CB
Model Number:LOF550-20Bxx Series
Minimum Order Quantity:/
Delivery Time:Negotiated
Payment Terms:T/T
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Location: Shenzhen China
Address: 5th Floor, Building B10, Fuqiao 2nd Industrial Zone, Fuhai Street, Bao'an District, Shenzhen
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Product Details

550W AC DC Open Frame Medical Power Supply with PFC function single output


Descriptions


LOF550-20Bxx 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.


Features


l Universal 90 - 264VAC or 127 - 370VDC input voltage

l Compact size 5” × 3”

l Operating ambient temperature range: -40℃ to +70℃

l Built-in active PFC function

l Output short circuit, over-current, over-voltage protection, over-temperature protection

l 320W with air cooling, 550W with 25CFM

l 5VDC standby output, 12VDC fan supply

l PG signal and remote sensing function

l Medical approved, suitable for BF application

l The base plate with conformal coating

l Operating altitude up to 5000m


Specifications


Selection Guide

Certification


Part No.*


Cooling method


Output Power *

Nominal Output Voltage and Current(Vo/Io)Output Voltage Adjustable Range ADJ (V)

Efficiency at 230VAC

(%) Typ. *


Capacitive Load (µF) Max.


UL/EN

LOF550-20B12Air cooling320.412V/26.711.4 -12.6916000
25CFM499.212V/41.6

LOF550-20B15

Air cooling319.515V/21.3

14.25 -15.75


92


6000

25CFM499.515V/33.3

--


LOF550-20B18

Air cooling320.418V/17.8

17.1-19.9


92.5


6000

25CFM500.418V/27.8

LOF550-20B19

Air cooling319.219V/16.8
25CFM499.719V/26.3

UL/EN

LOF550-20B24Air cooling321.624V/13.422.8 -25.2936000
25CFM549.624V/22.9
LOF550-20B27Air cooling321.327V/11.925.65 - 28.3593.54000
25CFM550.827V/20.4
LOF550-20B36Air cooling320.436V/8.934.2 - 37.8943000
25CFM550.836V/15.3

LOF550-20B48

Air cooling321.648V/6.7

45.6 - 50.4


94


2000

25CFM55048V/11.46

--


LOF550-20B54

Air cooling310.554V/5.75

51.3 - 56.7


94


1500

25CFM550.854V/10.2

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 LOF550-20Bxx-C/CF.

Input Specifications
ItemOperating ConditionsMin.Typ.Max.Unit
Input Voltage RangeAC input90--264VAC
DC input127--370VDC
Input Frequency47--63Hz

Input Current

115VAC----6.5

A

230VAC----3.0

Inrush Current

115VACCold start--50--
230VAC--80--

Power Factor

115VACFull load0.98------
230VAC0.95------

Leakage Current


264VAC

Contact leakage current<0.1mA
Earth leakage current<0.5mA
Hot PlugUnavailable
Mechanical Specifications
Case MaterialOpen Frame
Dimension127×76.2×40.5mm
Weight490g (Typ.)
Cooling Method*310W/320W Air cooling; 500W/550W 25CFM
Notes: *Please refer to the product characteristic curve for cooling method and power derating.

Dimensions and Recommended Layout





China 500W 550W Open Frame Linear Power Supply , PFC Switching Power Supply 24 Volt supplier

500W 550W Open Frame Linear Power Supply , PFC Switching Power Supply 24 Volt

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