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450W SMPS AC DC Open Frame Power Supply with PFC function

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450W SMPS AC DC Open Frame Power Supply with PFC function

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Brand Name : MORNSUN

Model Number : LOF450-20Bxx Series

Certification : CE/UL/CB

Place of Origin : China

MOQ : \

Price : Negotiated

Payment Terms : T/T

Supply Ability : 500Kpcs/month

Delivery Time : Negotiated

Packaging Details : Carton packed

Product Name : 450W 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 × 76.2 × 38.5mm

Weight : 400g (Typ.)

Cooling Method* : Air cooling (250W) / 25CFM(400W/450W)

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450W AC DC Open Frame Switching Power Supply with PFC function single output

Descriptions

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/ES60601-1standards and they are widely used in areas of Medical,electricity,security,telecommunications 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 250W with air cooling, 450W with 25CFM
  • l 5VDC standby output, 12VDC fan supply
  • l PG signal and remote sensing function
  • l The base plate with conformal coating
  • l Medical approved, suitable for BF application
  • l Operating altitude up to 5000m

​Specifications

Selection Guide
Certification Part No.* Cooling method Output Power (W)* Nominal Output Voltage and Current (Vo/Io) Output Adjustable Range ADJ(V) Efficiency at 230VAC (%) Typ. * Capacitive Load (µF) Max.

UL/EN

 LOF450-20B12 Air cooling 250 12V/20.8 11.4-12.6 91 6000
25CFM 400 12V/33.3
LOF450-20B15 Air cooling 250 15V/16.7 14.25-15.75 92 6000
25CFM 400 15V/26.7
LOF450-20B24 Air cooling 250 24V/10.5 22.8-25.2 93 6000
25CFM 450 24V/18.75
LOF450-20B27 Air cooling 250 27V/9.3 25.65-28.35 93.5 4000
25CFM 450 27V/16.7

LOF450-20B36

 Air cooling 250 36V/6.95

34.2 - 37.8

93

3000
25CFM 450 36V/12.5
LOF450-20B48 Air cooling 250 48V/5.3 45.6-50.4 94 2000
25CFM 450 48V/9.4

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 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

 90VAC/115VAC -- -- 5.2

A
230VAC -- -- 2.6

Inrush Current

 115VAC Cold start -- 40 --
230VAC -- 80 --

Power Factor

 115VAC Full load 0.98 -- -- --
230VAC 0.95 -- -- --
Mechanical Specifications
Case Material Open frame
Dimension 127 × 76.2 × 38.5mm
Weight 400g (Typ.)
Cooling Method* Air cooling (250W) / 25CFM(400W/450W)
Note: *Cooling method and power derating refer to typical characteristic curves.




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