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Features:
Output DC voltage (range): 5 to 48V 
Voltage range: ±5%
Load current (range): 4000mA
Load voltage: 15V 
Range power: 60W
Voltage tolerance: ±5%
Line regulation: ±1%
Load regulation: ±5%

AC plugs:
North American/European/Australian/British standards

DC plugs:
5.5mm (0.22-inch) in outside diameter
1.2m (0.37-inch) in length  

Contact: 
Pin sizes: 2.1mm (0.083")/2.5mm (0.098")
Brass with Ni-plating
Shell: high temperature plastic

Conductors:
22-20AWG
Solid or stranded, tinned or bare copper
Insulation: color-coded PVC or SR-PVC
Jacket: PVC
Customized specifications are accepted
Electrical characteristics:
Insulation-resistance: ≥1000MΩ
Center contact-resistance: ≤10MΩ
Outer contact-resistance: ≤5MΩ
Frequency range: 1GHz/DC
Withstand voltage: 500V RSM

Tests:
Burn-in test: power supply shall be burn-in for 4 hours under normal input and 80-100% rated load at 40 ±5°C
Height: 1m, a product should be fall off on the hardwood with the thickness of 20mm and the hardwood shall be put on the base of the cement or on the ground without flexibility
Apply two times on all surface

Reliability

Average fault-free times under 25°C ambient temperatures maximum working load
Average fault-free time 50000 hours (as per GB4943-2001, IEC60950 standards)
Packing:
PE/polybag/box/customized

Standard compliance:
UL VW-1 and CSA FT1 vertical flame test 
UL 758, UL 1581 and CSA 22.2
RoHS Directive-compliant 2.0
REACH
FCC, UL, CSA
CE, VDE, GS, TuV
Packing: PE bag or white box, OEM