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What are the faults of air circuit breakers(ACB)?
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...Read More -
Knowledge related to dual power automatic transfer switch
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...Read More -
What material are the contacts of MCCB made of?
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...Read More -
Mutai Electric will attend the 2024 Canton Fair
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...Read More -
How to choose a miniature circuit breaker
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...Read More -
Why do distribution boxes need to be equipped with a surge protective device?
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...Read More -
Why does the AC contactor make a buzzing sound?
When the AC contactor is working, it will connect or disconnect the circuit, so arc and corona discharge phenomena will be generated on the contacts, resulting in buzzing noise. When the contacts on the AC contactor connect the circuit, the potential difference due to the resistance will cause a...Read More -
International Women’s Day
Mutai Electric Group wishes women around the world a happy Women’s Day! March 8th is International Women’s Day, a special day to celebrate women’s achievements, equality and social progress. On this special day, Mutai Electric Group would like to extend her sincere blessings to female friends ar...Read More -
Is the air circuit breaker manual or electric?
The air circuit breaker (ACB) is a relatively complex switch that plays a vital role in electrical systems. A common question that comes up is whether the air circuit breaker is manual or electric. In fact, the answer is not black or white, but a combination of both. The function of the air circu...Read More -
Happy Lantern Festival!
On this special day, as we celebrate the Lantern Festival, let’s embrace the spirit of unity, light, and hope. Traditionally, the Lantern Festival marks the end of the Chinese New Year festivities, and it’s a time for families and friends to come together, enjoy beautiful lantern dis...Read More -
Resumes Operations After New Year
As the new year begins, we are excited to inform you that our factory is back in operation.All employees were full of energy and quickly got into work. During the past holidays, the factory conducted comprehensive inspections and maintenance of the equipment to ensure the safe and stable operat...Read More -
Notes on different circuit locations of CB-level ATS
Automatic Transfer Switches (ATS) play a vital role in ensuring seamless and reliable power transmission during critical situations. Among the different types of ATS on the market, Class CB ATS stands out for its ability to connect, carry and break short-circuit currents while being equipped wit...Read More
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