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    4.2V 2A 8.4W EU AC/DC adaptor, switching power supply ▼
      product:4.2V 2A 8.4W EU AC/DC adaptor, switching power supply
        KRECO P/N:KRE-0422000
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Details:
4.2V 2A series External wall-mount switching power supply(AC/DC adapter, AC/DC power adapter), Class II, Universal input, customized design.
P/N: 
KRE-SAW23
Model Number: KRE-0422003









Power: 9W
input: 100V~240V~50/60Hz 0.3A
output: 4.2V-2A

General: 4.2V 2,000mA series switching power supply adaptor




Short-circuit protection
Over-current protection
Over-voltage protection
Thermal shutdown capability
Over temperature protection




High efficiencyn
High reliability
With fuse, LED light indicator
Light and convenient plug-in
low working temperature and low ripple noise




UL1310, GB4943-2001
CE(Low Voltage Directive)
AS/NZS 60950:2000, AS/NZS60065
PSE IEC60950, EN60065
EN60950:2009; EN60065




Input voltage: 100 to 240V AC
Input frequency range: 50 to 60Hz
No load input power (240V AC): 0.3W
input current: 300mA maximum
Inrush current (240V AC): 25A, cold 25°C
Efficiency: 70% to 90% maximum




DC output voltage: 4.2VDC
DC output current: 2,000mA
Ripple/noise: 100mV
Regulation: ±1% line, ±5% load
Output voltage precision: 5%
Dc connector : 2.1X5.5mm , 2.5X5.5mm , optional
DC output cord AWG: With cable
Wire length: 1.5m




GB9254-1998/GB17625.1-2003
IEC61000-4-11; IEC61000-4-6
IEC61000-4-5; IEC61000-4-4
IEC61000-4-3; IEC61000-4-2
EN55024/A1:2001
EN55022 Class B
CISPR22 Class B
CNS13438 Class B
FCC Part15 Class B
AS/NZS3548, AS/NZS4251.1 class B




Burn-in: 100% full load, 40°C, 4hrs minimum
Leakage current: 0.25mA maximum at 264V AC
MTBF: meet MIL-HDBK-217F over 50,000hrs, full load, 25°C
Withstanding voltage: 3kV 1minute 10mA max, between primary and secondary
Inrush current: 50A (maximum) at 240V (15A at 90V AC, 18A at115V AC, 31A at 230V AC, and 33A at 264V