10.5W AC/DC power adapter, 5V 2.1A series wall-mount switching power supply, Class II, Universal input, customized design.
P/N: KRE-SAW28
Model Number: KRE-0502103

General: 5V 2,100mA series switching power supply adapter









Power: 10.5W
input: 100V-240V 50/60Hz 0.4A
output: 5V-2.1A




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




AC/DC power adapter protection:
Over-voltage protection
Over-current protection
Over temperature protection
Short circuit protection
Thermal shutdown capability




No load input power (240V AC): 0.3W
Input voltage: 100 to 240V AC
Input frequency range: 50 to 60Hz
input current: 400mA maximum
Inrush current (240V AC): 25A, cold 25°C
Efficiency: 70 to 88% maximum




DC output voltage: 5V DC
DC output current: 2,100mA
Output voltage precision: 5%
Ripple/noise: 120mV
Regulation: ±1% line, ±5% load
DC output cord AWG: With cable
Wire length: 1.5m
Dc connector : 2.1X5.5mm , 2.5X5.5mm , optional




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




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




Light and convenient plug-in
High reliability
low working temperature and low ripple noise
With fuse, LED light indicator
High efficiency: consumption, meet US Energy start/CEC/AS/MEPS/EUP/ERP