How to connect the DC contactor to the circuit?
and some sites are dangerous people can not go to the power cord can not run everywhere, which requires remote control, high current places, dangerous places with contactors We are in a safe place to control
Have you seen the satellite days someone to close the knife? Dangerous high-current gate knife when the arc is wounding
Why use it? Because 1, some switches are not only used a switch, such as the motor star - angle start once there are several switches at the same time action
