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450W PFC SMPS AC DC Open Frame Power Supply Single Output For BF Medical Equipment

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IMAX Power Technology Co.,Ltd

450W PFC SMPS AC DC Open Frame Power Supply Single Output For BF Medical Equipment

Country/Region	china
City & Province	shenzhen
Categories	Switching Power Supply

Product Details

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
Input Voltage Range	DC input		127	--	370	VDC
Input Frequency			47	--	63	Hz
Input Current	90VAC/115VAC		--	--	5.2	A
Input Current	230VAC		--	--	2.6
Inrush Current	115VAC	Cold start	--	40	--
Inrush Current	230VAC	Cold start	--	80	--
Power Factor	115VAC	Full load	0.98	--	--	--
Power Factor	230VAC	Full load	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.

Dimensions and Recommended Layout