1.产品简介/Product introduction

DE12KS31A 是一款 DC/DC 变换器，采用先进的调宽技术，效率高、功率大、体

积小、工作可靠。具有输入过欠压保护、输出过流保护、过温保护等功能，能够实现恒压恒

流自动转换。该款电源能把高压电池电压转换为低压电器所使用的电压、以及低压电池充电

所使用的电压，专为新能源汽车设计。 电源采用液冷设计，与国际一流汽车电源厂商完全同

步，各项性能指标已达到或超越国际同行水平，无故障运行时间更长。该系列电源也可适用

于需要恒压、恒流电源的各个领域。

DE12KS31A is a DC/DC converter with features of high efficiency, big power, small

volume and reliable working method, adopting advanced pulse width modulation technology. With

functions of input over/under voltage protection, output over current protection, over temperature

protection,etc. Achieving constant voltage and constant current automatic transfer. It could

converter high voltage battery voltage to low voltage used for low voltage device and charge for

low voltage battery, specically designed for electric vehicles. Adopting liquid cooling design,

synchronizing with the world-class automobile manufacturers, the performance indicators have

reached and even exceeded the international peer level, with longer fault free operation time, can be

also applied to field needing constant voltage and constant current field.

输出电压：14Vdc & 28Vdc & 48Vdc

Output Voltage

保护功能/ Protection

输出过流保护/Output Current Limited Protect

输出短路保护/Output Short Circuit Protection

输出过压保护/Output over Voltage Protect

输出欠压保护/ Output under Voltage Protect

输入过压保护/ Input over Voltage Protection

输入欠压保护/ Input under Voltage Protection

过温保护/Over Temperature Protect

CAN 通信故障/CAN Communication Fault

报通讯故障不关机，CAN 通讯恢复正常后，取消报通

讯故障。

does not shut down when it reports communication failure.

After CAN communication returns to normal, the

communication failure report will be canceled.

工作环境温度： -30℃～+60℃

Working

贮存温度  -40℃~+105℃

Storage

工作湿度 5％～85％RH（不冷凝） (Non-condensing)

Working

冷却方式：液冷/Liquid Cooling

Cooling Method

IP防护等级：IP66

IP Protection Grade

耐振动性能：3.12 in QC/T 413-2002 (other parts)

Vibration Resistance

重量/Weight：≤30Kg±0.5kg

DC直流转换器广泛应用：新能源乘用车、新能源商用车、新能源工程机械车、

                                          新能源叉车、   新能源牵引车、  移动储能车、 

                                          AGV以及光伏和其他储能换电设备。

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.