The current relay is a relay that reflects the input quantity as current. When in use, the coil of the current relay is connected in series in the circuit to be tested. When the current through the coil reaches the expected value, its electromagneti...
Why is the relay called "automatic switch" with small control and big control The relay is an electrical control device, made based on the principle of electromagnetic induction, and is an "automatic switch" that uses a small current to control a lar...
What are the general classification of automotive relays Large open type relay Its size is 35.5*25.5*21, and the sealed type is open, so it is called a large-size open relay. This kind of relay has strong reliability, adapts to high and low temperatu...
What are the contact forms of the relay? A 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 (excit...
The function of the relay is to control the start and stop of the air conditioner. When the temperature in the car reaches the target temperature, the sensor will let the relay stop the cooling action of the air conditioner. When the temperature in...
Why install a trip and lockout relay? To prevent the enlargement of the accident caused by re-closing after a short-circuit trip, the tripping and blocking relay will act after a certain fault or short-circuit, keep it inside and send out a signal. I...
What is LB-7 latching relay and what are its characteristics LB-7 static blocking relay is an electrical control device, which is used to block the relay protection when the AC voltage circuit breaks and may cause the relay protection to malfunction,...
How to correctly select the alarm action state of the relay In the automatic control system alarm and interlocking design, the relay "loss of power" alarm is usually used, because the relay uses the "loss of power" alarm to be more reliable than the ...
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