General principles for selecting relays

General principles for selecting relays

How can I choose the relay correctly?

The first thing to do is to "know what is known", that is, we must thoroughly study and understand the nature, characteristics of the controlled object, and requirements of the relay.

Secondly, a comprehensive grasp and careful analysis of the various characteristics of the relay itself, such as the principle, use conditions, technical parameters, structural process characteristics and specifications and models

In addition, according to the "value engineering" principle, it is necessary to comprehensively consider the advanced nature, rationality, availability and economy, and to properly select and use relays.

The principles for the correct selection of relays should be:

(1) The main technical performance of the relay, such as contact load, operating time parameters, mechanical and electrical life, etc., should meet the requirements of the complete system;

(2) The structural type (including installation method) and external dimensions of the relay should be able to meet the needs of the use conditions;

(3) Economically reasonable.