The FZW32-40.5RD/1250-25 type outdoor high-voltage vacuum load break switch-combined apparatus (hereinafter referred to as the combined apparatus) is developed by our company. It is the first new generation high-voltage electrical product produced by our company. After rigorous type tests and long-term operational assessments, all technical performance indicators comply with GB16926 and IEC standards. It is suitable for rated voltage of 40.5kV, rated current of 1250A, in a three-phase AC 50Hz power supply network.