YUEQING CHUXI ELECTRIC CO., LTD
YUEQING CHUXI ELECTRIC CO., LTD

Products >> SWITCHING POWER SUPPLY >> MS Series

  • MS-250W
MS-250W

MS-250W

 
 Mini size switching power supply 250w MS-250W

Features :

 

•  Universal AC input / Full range 

• Protections:Short circuit/Over load/Over voltage 

• Cooling by free air convection 

• 100% full load burn-in test 

• Fixed switching frequency at 77KHz 

• 2 years warranty


SPECIFICATION 

MODEL MS-250-5 MS-250-12 MS-250-15 MS-250-24 MS-250-27 MS-250-48
 
 
 
OUTPUT
DC voltage 5V 12V 15V 24V 27V 48V
Voltage tolerance ±1% ±1% ±1% ±1% ±1% ±1%
Rated current 40A 20A 16A 10A 9A 5.2A
Current range 0~40A 0~20A 0~16A 0~10A 0~9A 0~5.2A
Rated power 200W 240W 240W 240W 243W 249.6W
Ripple&noise 150mvp-p 150mvp-p 180mvp-p 180mvp-p 180mvp-p 200mvp-p
DC voltage ADJ.range -9%~+10% ±10% ±10% ±10% ±10% ±10%
 
 
INPUT
Voltage range 90~132VAC/180~264VAC(selected by switch),254~373VDC
frequency 47~63Hz
AC current 4.5A/115VAC,2.5A/230VAC
efficiency 82% 84% 84% 85% 85% 86%
Inrush current Cold start current 25A/115VAC,40A/230VAC
Leakage current < 2.5mA/240VAC
 
PROTECTION
overload Rated output power110%~135%  start over load protection
protection type:hiccup mode,auto-recovery after fault condition is removed
Over voltage 6.8~8.2V 15.6~17.8V 18.6~20.8V 30.6~33.2V 42.6~44.2V 54.8~56.6V
protection type:hiccup mode,auto-recovery after fault condition is removed
Over temperature TSW1detect on heatsink of power transistor≥95ºC±5ºC, start over temperature protection
protection type:hiccup mode,auto-recovery after temperature become normal
ENVIROMENT Working temp,humidity -10ºC~+60ºC,20%~90%RH
Storagetemp,humidity -20ºC~+85ºC,10%~95%RH non-condensing
Withstand vibration 10~500Hz,2G 10min/1cycle,period for 60 minutes,each axes
SAFETY STANDARD&
EMC
Withstand voltage I/P-O/P:1.5KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
Isolated resistance I/P-O/P,I/P-FG,O/P-FG:100M ohms/500VDC
Safety standard DESIGN REFER TO UL1012
EMC standard EN55022,CLASSA
OTHERS Dimension 199*99*48mm (L*W*H)
Weight/packing 0.7kg/24pcs/17.5kg/0.034 m³/1.2CUFT
NOTE 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25ºC of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.

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