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 and current in the controlled circuit; ③How many groups and what for...
Cecelia Qiu · 21 January 2022 · 74
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 has the same inverse time action characteristics as the allowable overlo...
Cecelia Qiu · 18 December 2021 · 65
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 when the change in the input quantity meets the specified requirements....
Cecelia Qiu · 01 December 2021 · 25