Factory price S-350W Single Output 400W Adjustable Switching Power Supply Transformer

Short Description:

The S-201, 250, 350, 400 series is a 201W/250W/350W/400W single-output enclosed power supply featuring an 85-264VAC wide-range AC input.

The entire series provides 5V, 12V, 15V, 24V, 36V, and 48V output options. With an efficiency of up to 91.5%, the metal mesh enclosure and intelligent fan design enhance heat dissipation capacity, enabling the S-201/250/350/400 to operate stably in harsh environments. Ultra-low no-load power consumption ensures that end systems can easily meet international energy efficiency requirements. The S-201/250/350/400 series offers complete protection functions and complies with international safety standards including EN 60950-1, EN 60335-1, EN 61558-1/-2-16, and GB 4943. It provides a cost-effective solution for a wide range of industrial applications.

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Technical Data

Type		Technical indicators
Output	DC voltage	5V	12V	18V	24V	36V	48V
	Rated current	50A	29A	19.4A	14.5A	9.7A	7.3A
	Rated power	250W	350W	350W	350W	350W	350.4W
	Ripple and noise	＜150mVp-p	＜150mVp-p	＜150mVp-p	＜150mVp-p	＜240mVp-p	＜240mVp-p
	Voltage regulation range	±10%
	Voltage precision	±2.0%	±1.0%
	Linear adjustment rate	±1%
	Load rregulation rate	＜±1.5%	＜±1.2%	＜±1.2%	＜±1%	＜±0.5%	＜±0.5%
Input	Voltage range/frequency	90-132VAC/180-264VAC 47Hz-63Hz(254VDC~370VDC)
	Efficiency(typcial)	＞74%	＞82%	＞82%	＞84%	＞86%	＞86%
	Working current/Shock current	＜5.2A 115VAC;＜2.8A 230VAC
	Shock current	110VAC 25A, 220AC:50A
	Start up time	200ms,50ms,20ms;220VAC
Protection characteristics	Overload protection	≥105%-150%;Constant current output +VO falls to the underpressure point, cut off output reset: power up again
	Overvoltage protection	≥115%-145% Close the output
	Under-voltage protection	≤10%-45% Close the output
	Short circuit protection	Close the output
	Overheating protection	Turn off the output (protection mode: turn off the output and start automatically when the temperature returns to normal)
Environmental science	Working temperature and humidity	-10ºC~+50ºC;20%~90RH
	Storage temperature and humidity	-20ºC~+85ºC; 10%~95RH
Security	Pressure resistance	Input – output :1.5KVAC input-case :1.5KVAC output -case: 0.5kvac duration :1 minute
	leakage current	Input-output 1.5KVAC<5mA
	leakage current	Input-output 220VAC<1mA
	lnsulation impedance	Input-output and input-shell, output-shell: 500 VDC/100mΩ
Other	Size	21511450mm(LWH)
	Net weight / gross weight	874.1g/936.3g
Remarks	(1)Measurement of ripple and noise: Using a 12 “twisted-pair line with a capacitor of 0.1uF and 47uF in parallel at the terminal,the measurement is carried out at 20MHz bandwidth.
	(2)Efficiency is tested at the input voltage of 230VAC,rated load and 25ºC ambient temperature.Accuracy: including setting error,linear adjustment rate and load adjustmient rate.Test method of linear adjustment rate: testing from low voltage to high voltage at rated loadLoad adjustment rate test method: from 0%-100% rated load.The start-up time is measured in the cold start state, and the fast frequent switch machine may increase the startup time.When the altitude is above 2000 meters, the operating temperature should be lowered by 5/1000.