We should all be aware of the role of the relay. As long as a certain voltage is applied to both ends of the coil, a certain current will flow in the coil, which will produce electromagnetic effects. The armature will overcome the pull of the ...
A relay (English name: relay) is an electrical control device. It is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the input quantity (excitation quantity) ...
We can understand one thing in the name of the two. They are both devices, and they are used in current control devices. The biggest similarity between relays and contactors is the working principle. The closing of the control circuit, but the ...
What is the function of the signal relay? The basic working principle of the signal relay. The signal relay is a commonly used device in the automatic control system. It is generally used to connect and disconnect the circuit. The card is ...
