420W 48V DC Output Switching Power Supply with CE

Features: High efficiency, high reliability and low cost For AC power supply input global 100% full load and ma
Output Power
Output Voltage
Input Voltage
AC100-120V / 200-240V
High efficiency, high reliability and low cost
For AC power supply input global
100% full load and machine test
Protection characteristics: short circuit/overload/pressure
PWM control and adjustment
Built-in dc electric fan forced air cooling
Built-in fan switch control
Working frequency 25 KHz
Size: 215*115*50mm(L*W*H)
48V Converter
 420W 48V DC Output Switching Power Supply with CE
model S-420-12 S-420-36 S-420-48 S-420-50 S-420-60 S-420-70 S-420-80 S-420-100
output Dc output voltage 12V 36V 48V 50V 60V 70V 80V 100V
Output voltage tolerance ±1% ±1% ±1% ±1% ±1% ±1% ±1% ±1%
Rated output current 35A 11.6A 8.75A 8.4A 7A 6A 5.25A 4.2A
Output current range 0-35A 0-11.6A 0-8.75A 0-8.4A 0-7A 0-6A 0-5.25A 0-4.2A
Output power 420W 420W 420W 420W 420W 420W 420W 420W
Ripple and the noise 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 200mVp-p 240mVp-p
Dc voltage adjustable scope -10%,+10% ±10% -10%,+10% -10%,+10% -10%,+10% -10%,+10% -10%,+10% -10%,+10%
Start, rise, keep time 200ms,50ms,20ms Loaded with
input Input voltage range 90~132 VAC/180~264VAC 47~63 Hz;The switch choice
Exchange input current 6.5A/115 V 4A/ 230 V
efficiency 74% 76% 76% 79% 78% 81% 82% 83%
Impulse current Cold start current
50A/115V 50A/230V
Leakage current <3.5 mA/240VAC
Protection characteristics Overload protection 105%~135%
Protection way: current limiting, automatic recovery
Overvoltage protection 115%~135%
Protection way: voltage limitation, automatic recovery
Fan on/off control RT3 acuity 55 ℃ fan open more than 45 ℃, wind 80 ℃ quartile organs, the cut off output (5 ~ 7.5 V)
RT3 acuity 65 ℃ and 55 ℃, fan open more than 80 ℃, the authorities: cut off output (12 to 15 V)
RT3 acuity 70 ℃ open more than 60 ℃ fan, wind, 85 ℃ cut off: authorities output (24 to 48 V)
environment Working temperature, humidity -10℃~+60℃;20%~90 %RH
Keep temperature, humidity -20℃~+85℃;10%~95 %RH
Vibrate resistance 10~500Hz,2G 10min./ 1 cycle time, 60 minutes, the axis
security Compression sex Input/output: 1.5 KVAC input and between to KVAC output and the earth: 1.5:0.5 KVAC
Insulation resistance Between the input and output, the input and output, and ground: 100 M / 500 VDC Ohms
standard Safety standards Accord with
EMC standard Drsign refer to FCC Part15 J Conduction Class A
other weight 1.15Kg
packaging 12pcs/14.3Kg/0.93CUFT
note All the parameters in has not specified, all is in 230 VAC voltage input, rated load and 25 ℃ conditions measuring income value.
Ripple and noise voltage is in 20 MHz bandwidth oscilloscope take 12 inches twisted pair end with 0.1 mu and 47 u when capacitance measurement.
Tolerance is voltage setting error, the voltage adjustment rate and adjust the sum total of the current rate.
Specific output current see output drop forehead curve.