LRS-400 AC/DC Switching Power Supply

Description:

The LRS-400 is a high-power, single-output switch-mode power supply from SMUN, a trusted name in the industry. Offering a 400-watt output capacity, this series is designed for applications that require a dependable and efficient DC power source. Key characteristics and benefits of the LRS-400 include:

• Applications:
  

The SMUN LRS-400 switch mode power supply is widely utilized in:

1. LED Lighting:

   Providing a stable driving power source for LED luminaires, advertising screens, and landscape lighting.

2. Industrial Control:

   Supplying a reliable DC power source for automation equipment, instrumentation, and motor drive systems.

3. Communication Systems:

   Powering communication facilities such as network equipment, servers, base stations, and security surveillance systems.

4. Medical Equipment:

   Delivering clean and stable power to medical diagnostic, therapeutic devices, and laboratory instruments.

5. New Energy:

   Serving as a control or auxiliary power source in new energy sectors, including solar inverters, energy storage systems, and EV charging facilities.

Features:

• Universal AC input selected by switch

• Built-in Emi filter,tiny ripple

• Protections:short circuit/overload/over voltage/over temperature

• Cooling by build-in DC fan

• 43,000 hours of continuous operation at 20℃

• 100% full load burn-in test
  

• LED indicator for power on

• Compliance to IEC/EN60335-1(PD3) and IEC/EN61558-1,2-16 suitable for home appliance

• 3 years warranty

Specifications:

Model		LRS-400-12	LRS-400-15	LRS-400-24	LRS-400-36	LRS-400-48
Output	DC Voltage	12V	15V	24V	36V	48V
	Current Range	0-33.3A	0-26.7A	0-16.7A	0-11.1A	0-8.3A
	Rated Power	399.6W	400.5W	400.8W	399.6W	398.4W
	Ripple Noise(Max)	150mVp-p	150mVp-p	150mVp-p	200mVp-p	200mVp-p
	Voltage Adj.Range	10.5~13.8V	13.5~18V	21.6~28.8V	32.4~39.6V	43.2~52.8V
	Voltage Tolerance	±1.0%	±1.0%	±1.0%	±1.0%	±1.0%
	Line Regulation	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
	Load Regulation	±1.0%	±0.5%	±0.5%	±0.5%	±0.5%
	Set up,Rise time	1500ms,50ms/230VAC   1500ms,50ms/115VAC(full load)
	Hold up Time	16ms/230VAC     12ms/115VAC(full load)
Input	Voltage Range	85 ~132VAC/170~264VAC  selected by switch   240~373VDC(switch on 230VAC)
	Frequency	47 ~ 63Hz
	Efficiency	85%	86%	88%	88.5%	89%
	AC Current	6.8A/115VAC    3.4A/230VAC
	Inrush Curent	COLD START: 60A/230VAC
	Leakage Current	<2mA / 240VAC
Protection	Overload	110 ~ 140% rated output power
		Protection tye:12-36V Hiccup mode,recovers automatically after fault condition is removed
	Over Voltage	13.8~16.2V	18.8~21.8V	28.8~33.6V	41.4~48.6V	55.2~64.8V
		Protection type : Shut off o/p voltage, re-power on to recover
Environment	Working Temperature	-20 ~ +70℃ (Refer to derating curve as datasheet from SMUN)
	Working Humidity	20 ~ 90% RH non-condensing
	Storage Temp.Humidity	-45 ~ +85℃, 20 ~ 95% RH non-condensing
	Temp.Coefficient	±0.03%/℃ (0 ~ 50℃)
	Vibration	10~500Hz,2G 10 min/1 cycle,60min.each X Y Z axes
Safety	Safety Standards	GB4943.1,EN60950.1 Approved
	Withstand Voltage	I/P-O/P:1.5KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
	Isolation Resistance	I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC/25℃/70% RH
	EMC Emission	EN61000-3-2:2014/EN61000-3-3:2013
	EMC Immunity	EN 55032:2015/EN55035:2017/60950-1
Others	MTBF	≥347.5K hrs MIL-HDBK-217F(25℃)
	Dimension	215*115*30mm (L*W*H)
	Packing	0.76Kg; 20pcs/16Kg/CTN
Note	1.All parameters NOT specially mentioned are measured at 230VAC input,rated load and 25℃ of ambient temperature. 2.Ripple noise are measured at 20MHz of bandwidth by using a 12"twisted pair-wire terminated with a 0.1uf and 47uf parallel capacitors. 3.Tolerance includes set up tolerance,line regulation and load regulation. 4.Derating output is required under low input voltage.Please refer to derating curve for details. 5.The power supply should be considered as a part of the components in the system.All EMC tests will test samples on a metal iron plate with a thickness of 1mm,a length of 360mm and width of 36mm. 6.Please contact with SMUN customer service for more details.