Company News

  • Cast First Class Automatic Transfer Switch Quality

    One Two Three Electric Co,.Ltd as the largest and most professional automatic transfer switch manufacturer in China, the quality of automatic transfer switch determines the future development of our company. Therefore, in the field of automatic transfer  switch, we always uphold such a policy: f...
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  • Automatic Transfer Switch Working Mode and Fire Protection Function

    1.Automatic transfer switch (ATS)working position of contact Three-position:Contact can stay in the main and standby power on and double three working position. All the motor drives are three-position automatic transfer switch without two positions. Two-position: Ccontact can only stay in two wo...
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  • Happy May Day,Automatic Transfer Switch Keep Your Vacation Power Continuous

    One Two Three Electric automatic transfer switch accompanyyour vacation and keep your vacation power  continuous. Dear customer, Thank you for your continuous trust and support to One Two Three Electric Co., Ltd. and our dual power automatic transfer switch board products.The May Day is coming an...
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  • What Automatic Transfer Switch is?One Two Three Electric Tell You

    One Two Three electric as a professional dual power automatic transfer switch manufacturers, there are  some basic knowledge of automatic transfer switch, to know what’s the  automatic transfer switch is. 1.The definition of automatic transfer switch(ATSE) : ATSE is a functional switch A...
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  • The History of the Brand One Two Three Electric – Professional Manufacturer of Automatic Transfer Switch Supply

    One Two three Electric co., LTD. (zhejiang Yuye Electric Co., LTD.) is a high-tech enterprise specializing in the research and development, production and service of dual power automatic transfer switch, disconnecting switch, molded case circuit breaker and high and low voltage electric. And in ...
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  • One Two Three Electric Co., Ltd. Warmly Congratulates the Complete Success of Shenzhou 13 Manned Spacecraft Mission

    According to the China Manned Space Engineering Office news,At Beijing time 9:56 on April 16, 2022, the Shenzhou 13 manned mission was a complete success. One Two Three Electric Co., Ltd. warmly congratulates the complete success of shenzhou 13 manned spacecraft mission. As the electrical system...
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  • How to Install Automatic Transfer Switch for Generator

    Automatic transfer switches are often used in conjunction with diesel generators.So how to install the automatic transfer switch  for generator? Steps: Disconnect each circuit breaker of the self-provided power supply one by one in the following sequence: Automaric transfer switch box Self-provi...
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  • YUYE Automatic Transfer Switches for Generator

    An automatic transfer switching appliance is an appliance consisting of one or more switching devices used to disconnect a load circuit from one power supply and connect it to another power supply. That is, when one of the detected two power supplies fails, the load circuit is automatically switc...
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  • Working Principle Wiring Diagram of Automatic Transfer Switch

    The null line of the dual power automatic transfer switch has the following connections: (1) 4 pole dual power supply automatic transfer switch, null(N) line separately, respectively connected to the common power grid and standby power grid null (N) line. (2) There are two ways to connect the nul...
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  • 2022 New Designed ATS Switch of One Two Three Elecrtric Coming Soon

    2022 New Designed ATS Switch of One Two Three Elecrtric Coming Soon .16A-3200A ats switch. YUYE-YUS1 Series intelligent dual power automatic switches is made up of two units 3 pole and 4 pole of MCCB and(auxiliary contact, alarm contact), the mechanical interlocking transmission, intelligent con...
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  • New ATS Order From a New Partner

    Thanks to new customer orders for our dul  power automatic trnasfer switch A new customers take the initiative to find our company One Two Three electric co., LTD., by his friend,which is our cooperative partner.The first order was booked a container of double power supply automatic transfer swit...
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  • HAPPY INTERNATIONAL WOMEN’S DAY

    We are cute daughters, We are sweet sisters, we are lovely lovers, We are darling wives, We are adorable mothers, We are source of strength, We are incredible. WE ARE WOMEN! Regards from One Two Three ELectric
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