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Place of Origin: Hebei, China (Mainland)
Brand: Dilong
Model Number: DA3K3M17E-50C
ACDC EV Onboard charger

| Technical Specifications | |||
Mains Input | Rated Voltage | Vac | 220 |
Voltage Range | Vac | 85~264 (The output from 85-176 is automatically reduced to 1.2 KW) | |
FREQ RANGE | HZ | 47~63 | |
Efficiency(max) | % | ≥95 | |
Power Factor |
| ≥0.99@220Vac,rated power | |
Current(MAX) | A | ||
Mains output | Rated Output Voltage | Vdc | 48 |
Constant voltage output range | Vdc | 30v-55v | |
| A | 35 | |
Constant power output | W | 1900 | |
Output voltage accuracy | V | ≤±1%Vo input 176Vac-264Vac,output 10%-100% load | |
Line regulation | % | ≤±0.2%Vo input 176Vac-264Vac,output 100% load | |
Load regulation | % | ≤±0.5%Vo input 220Vac,output 10%-100% load | |
Ripple and noise | mV | ≤±4%Vo 20M oscilloscope,Twisted-pair cable test. | |
Auxiliary supply | Rated output voltage | Vdc | 12 |
Rated output power | W | 2 (Activate BMS) | |
Property
| Input over-voltage protection | Vac | ≥275 CAN directive warning protection |
Input under-voltage protection | Vac | ≤75 CAN directive warning protection | |
Output Over-current protection | A | Io≥120% CAN directive warning protection | |
Output under-voltage protection | Vdc | ≤25 CAN directive warning protection | |
Output over-voltage protection | Vdc | ≥65 CAN directive warning protection | |
Over-temperature protection | ℃ | 85±5 CAN directive warning protection | |
Output short circuit protection |
| yes | |
Reverse polarity protection |
| yes | |
Dynamic response | us | ≤200 | |
CAN communication | Communication interrupt, timeout of 20 seconds intelligent shutdown, communication normal recovery. | ||
Work environment | Operating temperature |
| -30℃~+85℃(Intelligent derating shell temperature above 70 ℃) |
Operating humidity | %RH | 20-90(No condensation) | |
Storage humidity | %RH | 10-95(No condensation) | |
Vibration |
| QC/T413-2002(Other parts required) | |
Cooling mode |
| Air cooling | |
Safeguard | Isolation Voltage | shell←input→output:2.8KVdc; Output→shell:2KVdc; Auxiliary Output→shell:700Vdc | |
Insulation resistance | MΩ | input—output—shell>10 (25℃,70%RH) | |
IP Grade |
| IP67 | |
Structure
| mode of connection |
| Waterproof aviation connector |
weight | Kg | 5 | |
Size | mm | 316*194.5*108.5 | |







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