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What are the commonly used relays?

Release time:

2024-04-29

Electromagnetic relays are the most widely used type of relay due to their low cost, simple structure, convenient use and maintenance, small size, and fast and accurate operation, making them widely used. What are the commonly used relays? Below we will list several commonly used relays:
T73 series relay
The T73 relay is the most commonly used type of electromagnetic relay, which is inexpensive and has strong versatility. T73 relays are mainly used in intelligent control, anti-theft devices, office equipment, household appliances (rice cookers, microwave ovens, coffee makers, bread makers, air conditioners, washing machines, induction cookers, cooking machines, juicers, electric pressure cookers, soybean milk machines, etc.), covering almost all the household appliances we use in our daily life, so we all call them universal relays.
T73 relay
T78 series relay
The T78 relay has a compact size and a load of 20A and 125VAC, making it a widely used relay in addition to the T73 relay.
T90 series relay
T90 relay is widely used in some high-power electrical appliances, capable of 30A and 40A, with diverse pin positions and strong load capacity.
4100 signal relay
The 4100 signal relay is the most commonly used signal relay, with a compact design and available in 6-pin conversion and 5-pin normally open versions. The Tongling 4100 signal relay adopts pure silver gold-plated contacts, and the load can reach 3A 250VAC.