Accessories

What are electric cabinet exhaust fans and how do they work?

The electric cabinet exhaust fan is a ventilation device commonly used in electrical cabinets such as low voltage cabinet, ATS cabinet, central control cabinet,...

What is the electromagnetic relay? What is its structure and applications?

The use of protective electrical equipment, troubleshooting in electrical systems is extremely important. So what is the electromagnetic relay? What is its structure? This...

What is the protection relay ?

A protective relay is a device for sending a cutting signal to a Circuit Breaker when a power failure is detected. So what is...

What is a transformer? Structure and operation principles of the transformer

Currently, transformers are very popular in power plants. Even transformers are used in households. So what is a transformer? Structure and operation principles of...
tính toán chọn tiết diện dây dẫn phù hợp

Instructions for calculating suitable cable diameter for use capacity.

Our country is developing very fast according to the trend of the era, the demand for housing is increasing with the development and urbanization. Currently,...
relay-idec

IDEC Relay – Operating principles and diagrams

Relay is an switch that operates electrically. Being called a switch because the relay has two states ON and OFF. The relay in ON...

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