The DA40KM44A-380S650C from Dilong is a Three-Phase On-Board Charger. It requires an input voltage of 147–457 V AC (three-phase) and provides an output voltage of 500–850 V DC. This on-board charger (OBC) delivers an output power of 40 kW and has an efficiency of up to 94%. It supports automatic transitions between constant power, constant voltage, and constant current modes to optimise charging time.
This liquid-cooled charger has a built-in 12 V independent auxiliary power supply for car battery management systems. It features an intelligent charging function and has active power factor correction, zero pollution to the grid and uses CAN2.0B communication protocol. This IP67-rated OBC operates over 40°C to 90°C and measures 562 x 373 x 198 mm.