VR-XXXL-DK aging car electric control cabinet, used with aging car, can control input/output of 4-8 aging cars at the same time. It is composed of the cabinet, the general control part of electrical appliances, multiple groups of output isolation transformers, industrial control computers, and voltage switching control part, aging load communication part; The transformer output winding voltage and group number can be customized according to customer needs. The PC controls the input voltage required for different periods and aging of each car, with ON/OFF shock function and data report storage function.