MDSB300E series isolation type safety grid is the guide rail mounting type, the base and the host can separate plug and pull, installation and maintenance is simple. MDSB300E safety barrier product variety series, can deal with current, voltage, thermal resistance, thermocouple, the switch quantity, and other various industrial signal products are widely used in chemical, petroleum, metallurgy, gas, electricity and machinery equipment, all kinds of industry such as connection with all kinds of safety instruments, used as safety explosion protection system of the device context.