①.Precise voltage display
②. Sequential opening and reverse order closing
③.PASS button can open all channels at the same time
④.RS232 COM/WIFI/WAN Ethernet port access to central control (command control) or built-in software control
⑤. Interval time/timing time of each switch: default 1 second (set freely by software)
⑥. Cascade stacker ID: 0-255
⑦.With external control switch interface
⑧. Leakage protection and overcurrent protection
⑨. Support panel to control each channel independently (software setting control)
⑩. Optional power purification function (EMI professional grid filter)