DE40KS44 是一款 DC/DC 變換器，采用先進的調寬技術，效率高、功率大、體積小、工作可靠。具有輸入過欠壓保護、輸出過流保護、過溫保護等功能，能夠實現恒壓恒流自動轉換。該款電源能把高壓電池電壓轉換為負載需要的100Vdc~750Vdc電壓、以及電池充電所使用的電壓，專為新能源汽車設計。 電源采用風冷設計，與國際一流汽車電源廠商完全同步，各項性能指標已達到或超越國際同行水平，無故障運行時間更長。該系列電源也可適用于需要恒壓、恒流電源的各個領域。

DE40KS44 is a DC/DC converter employing advanced pulse-width modulation technology, characterized by its high efficiency, high power, small size, and reliable performance. Featuring input overvoltage and undervoltage protection, output overcurrent protection, and overtemperature protection, it achieves constant voltage and constant current automatic conversion. This power supply can convert high voltage battery voltage into the required 100Vdc~750Vdc voltage for the load and battery charging voltage, making it specifically designed for new energy vehicles. Adopting air-cooled design, it keeps pace with the world's leading automotive power supply manufacturers. Its performance indicators have exceeded the international peer level, with longer trouble-free operation times. This series of power supplies can also be applied to various applications requiring constant voltage and constant current power supplies.

額定功率:40000W

Rated Power

輸入電壓范圍：200V~950Vdc

Input Voltage Range

輸出電壓：100-750Vdc

Output Voltage

IP防護等級：IP66

IP Protection Grade

冷卻方式：風冷/Air Cooling

Cooling Method

保護功能/ Protection

輸出過流保護/Output Current Limited Protect

輸出短路保護/Output Short Circuit Protection

輸出過壓保護/Output over Voltage Protect

輸出欠壓保護/ Output under Voltage Protect

輸入過壓保護/ Input over Voltage Protection

輸入欠壓保護/ Input under Voltage Protection

過溫保護/Over Temperature Protect

CAN 通信故障/CAN Communication Fault

連續 5s 未收到指令,DC報通訊故障不關機，CAN 通訊恢復正常后，取消報通訊故障。

No command receivedfor 5 consecutive seconds

does not shut down when it reports communication failure.

After CAN communication returns to normal, the

communication failure report will be canceled.

環境溫度

Environmental Temperature

工作環境溫度Working -30℃～+60℃

貯存溫度  -40℃~+105℃

Storage

工作濕度 5％～85％RH（不冷凝） (Non-condensing)

Working

耐振動性能：3.12 in QC/T 413-2002 (other parts)

Vibration Resistance

DC直流轉換器廣泛應用：新能源乘用車、新能源商用車、新能源工程機械車、

                                          新能源叉車、   新能源牽引車、  移動儲能車、 

                                          AGV以及光伏和其他儲能換電設備。

DC-DC converters are widely used in new energy passenger vehicles, new energy commercial vehicles, new energy construction machinery vehicles, new energy forklifts, new energy tractors, mobile energy storage vehicles, AGVs, photovoltaic and other energy storage and power exchange equipment.