An LED display is adopted in the vacuum switch. Visibility has been improved.[Features]· In the vacuum switch display, an LED display is adopted, improving visibility.· Setting pressure and impressed pressure are displayed on LED.· There is a two-point output on the vacuum switch and two types of analog output. Selection can be made to fit different applications.· Also the connector method is adopted in the wiring and the wiring layout is implemented easily.· Available wiring connection methods include three types viz; one touch fitting, M5 meter female screw and direct mounting, which cab selected according to use.· Accuracy is stable because pressure is detected by the electric switch.