The main switch of electromagnetic power supply is actually an electromagnetic s
Date：2018/11/14 17:28:43 Click：2992
Actually, the main switch of electromagnetic power supply is just an electromagnetic suction switch. The two small ones in the four joints are connected directly to the positive and negative electrodes of the battery through a manual mechanical switch (these two wires can never pass through the main switch of electromagnetic power supply). When the switch is turned on, the current of the battery will pass through the main switch of electromagnetic power supply. The solenoid valve coil produces a magnetic field (at this point you should be able to hear a "click"), and under the attraction of the magnetic field, the contacts in the main switch of the electromagnetic power supply are contacted and connected.
