Relay

The difference between relays and contactors

First, let's define these two devices. A relay is an electrical control device that uses a small current to control...

Articles
2026-02-23

What is a relay? How is it defined?

In the 18th century, scientists considered electricity and magnetism to be two completely unrelated physical phenomena....

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2026-02-23

This article introduces the components, advantages, and disadvantages of solid-state relays, and explains the differences between solid-state relays and ordinary relays.

I. Overview Solid-state relays (SSRs), unlike electromechanical relays, are relays without mechanical movement or movin...

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2026-02-22

To gain a deeper understanding of relays, what factors affect their reliability?

Product reliability, as commonly referred to, usually means operational reliability, defined as the product's abili...

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2026-02-22

Functional characteristics of phase loss and phase sequence relays

The JL-400 power protection relay is suitable for protection of power distribution systems installed in cabinets, such ...

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2026-02-22

Introduction to the Principles and Applications of Solid State Relays

1. Overview Solid -state relays ( SSRs) are contactless electronic switches with relay characteristics, developed by co...

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2026-02-22

Relays achieve two different voltage conversion methods

<span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt; mso-font-kerning:1.0000pt;">This can be achiev...

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2026-02-22

A book on understanding relay coil voltage

Coil voltage or nominal voltage - 12VDC - This is the nominal voltage for operating the coil. While knowing this is imp...

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2026-02-22

Selection methods for electromagnetic relays, reed relays and solid-state relays

[Introduction] When selecting a relay, it is essential to understand its technical parameters and characteristics befor...

Articles
2026-02-22