- Part 7

What do the parameters on MCB represent?
by admin on 24-05-18
Miniature circuit breakers (MCB) are mainly used to protect circuits from short circuits and overloads, and can also be used in power distribution systems for lighting or motors. It is characterized by beautiful and compact appearance, light weight, excellent and reliable performance, high breaki...
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The difference between Surge Protective Device and Overvoltage Protector
by admin on 24-05-15
Surge protective device and overvoltage protectors are two commonly used electrical equipment protection devices. They can limit or discharge transient overvoltage in the power system and prevent electrical equipment from being damaged by lightning or other causes. However, their working princip...
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What are NO and NC on the AC contactor ?
by admin on 24-05-11
AC contactor is a very commonly used electrical component in industrial control. Among the contacts of the AC contactor, in addition to the main contacts (both normally open contacts), there are also auxiliary contacts. There are normally open and normally closed auxiliary contacts. There is a ma...
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Study tour in Germany —MUTAI Electric
by admin on 24-05-04
Yu Yongli, Chairman of Mutai Electric Group, went to Germany to visit Schneider Electric’s Paris Innovation Center and gained an in-depth understanding of Schneider Electric’s strategic deployment of green dual-carbon and digital transformation, including representative products such as the “Ope...
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International Labor Day
by admin on 24-04-30
With the May Day Labor Day approaching, all employees of Mutai Electric Group Co., Ltd. extend their most sincere holiday greetings and high respect to the sanitation workers! With their hard-working hands and hard sweat, they have devoted countless efforts and effort to the cleanliness and beau...
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Mutai Electric Group appeared in the first phase of the 135th Canton Fair
by admin on 24-04-22
On April 19, the first phase of the 135th Canton Fair concluded successfully. With the theme of “Advanced Manufacturing”, this year’s Canton Fair attracted 29,000 exhibitors, covering electronics and home appliances, new energy, industrial automation and intelligent manufacturi...
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What are the faults of air circuit breakers(ACB)?
by admin on 24-04-19
1. The air circuit breaker tripped and failed to reclose: First, determine whether the air circuit breaker tripped non-accidentally. Non-accidental tripping means that it tripped without short circuit or overload fault. There are many reasons why the air circuit breaker cannot close. First, it i...
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Knowledge related to dual power automatic transfer switch
by admin on 24-04-12
Automatic Transfer Switch, referred to as ATS, is a key power switching device used in uninterruptible power supply systems. Its main function is to automatically switch the load to the backup power supply when the main power supply fails to ensure continuous power supply for critical loads. The...
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What material are the contacts of MCCB made of?
by admin on 24-04-03
The contact material of molded case circuit breaker is mainly silver alloy, which has good electrical conductivity, wear resistance and thermal stability. Silver alloy contacts are often used to ensure the normal operation of circuit breakers and extend their service life. Other commonly used co...
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Mutai Electric will attend the 2024 Canton Fair
by admin on 24-03-28
Mutai Electric will attend the Canton Fair on April 15, 2024, and will show our latest low-voltage electrical products and technology at Booth 14.2 C35. As a leading company specializing in the manufacturing, research, and development of low-voltage electrical products for over a decade, Mutai E...
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How to choose a miniature circuit breaker
by admin on 24-03-27
1. The number of poles for a circuit breaker should be determined based on the number of lines that need protection. For instance, in a typical residential single-phase electrical system, which consists of one neutral wire and one live wire forming a circuit, a two-pole breaker is chosen if both...
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Why do distribution boxes need to be equipped with a surge protective device?
by admin on 24-03-14
In today’s technologically advanced world, the need for surge protective device (SPD) in distribution boxes cannot be underestimated. Surge protectors play a vital role in protecting electrical and electronic equipment from lightning strikes and overvoltage damage. The high voltage and cur...
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