relay
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An overview of electromagnetic relay
Selection of Electromagnetic Relays Understand the necessary conditions ① The power supply voltage of the control circuit, the maximum current that can be provided; ②The voltage...
Cecelia Qiu · 21 January 2022 · 29
How to choose a thermal relay?
Thermal relay is a traditional electrical appliance for protecting motors. It is used for overload protection of motors or other electrical equipment and electrical circuits. It ha...
Cecelia Qiu · 18 December 2021 · 51
Some guidelines about relays
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 w...
Cecelia Qiu · 01 December 2021 · 22