relay (3)

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