3.3KW waterproof IP67 battery charger 540v 28v

                   Model Specification/unit

DE3KS9H-540S28RC

Mains Input

Rated  Voltage

Vac

540

Voltage Range

Vac

400-680Vdc

Efficiency

%

≥95   (Not including auxiliary power supply)

Power Factor

≥0.99@220Vac,rated power

Current

A

7.5

Mains output

Rated output voltage

Vdc

28V

Max current

A

100A(RETD)  107A(MAX)

Constant power output

W

2800W(retd)  3000W(MAX)

Output voltage accuracy

V

≤±1%Vo  input 175Vac-265Vac,output 10%-100% load

Line regulation

%

≤±1Vo   input 175Vac-265Vac,output 100% load

Load regulation

%

≤±1Vo   input 220Vac,output 10%-100% load

Ripple and noise

mV

≤±3%Vo  20M oscilloscope,Twisted-pair cable test.

Auxiliary supply

Rated output voltage

Vdc

14

Rated output power

W

2800

Property

Input over-voltage protection

Vac

>275  CAN directive warning protection

Input under-voltage protection

Vac

<90   CAN directive warning protection

Output Over-current protection

A

≥110%Io  CAN directive warning protection

Output under-voltage protection

Vdc

< 90  CAN directive warning protection

Output over-voltage protection

Vdc

>205  CAN directive warning protection

Over-temperature protection

℃

85±5  CAN directive warning protection

Output short circuit protection

Yes (CPU Intelligent monitoring )

Reverse polarity protection

yes (CPU Intelligent monitoring )

Dynamic response

us

≤200

CAN communication

Communication interrupt, timeout of 20 seconds intelligent shutdown, communication normal recovery.

Work environment

Operating temperature

-40℃~+70℃(Intelligent derating shell temperature above 70 ℃)

Storage temperature

-45℃~+95℃

Operating humidity

%RH

20-90(No condensation)

Storage  humidity

%RH

10-95(No condensation)

Vibration

QC/T413-2002(Other parts required)

Type of cooling

water-Cooled

Safeguard

Isolation Voltage

shell←input→output:2.8KVdc;

Main Output→shell:2.8KVdc;

Auxiliary Output→shell:700Vdc

Insulation resistance

MΩ

input—output—shell>10 (25℃,70%RH)

Structure

weight

Kg

≤6Kg 

Dimensions

mm

281mm*145mm*68mm