* The adoption of zero-crossing detect technique, emergency can be forced to set zero (simultaneously cut off two power supply)
* with obvious on-off indication, padlock and other functions, to achieve the isolation between the power supply and load
* High reliability, over 6000 times service life
* High degree of automation
* Good electromagnetic compatibility, strong anti-interference ability, no external interference
* The switch has multiple input / output interfaces, which is convenient for remote PLC control and system automation.