Company News

Welcome to our blog, we will introduce the detailed product description of PC automatic transfer switch YES1-125N. As the largest ATS manufacturer in China, we pride ourselves on being a corporate supplier of high quality standards. Our products are trusted by well-known...

Exploring the Different Types of Frame Circuit Breakers: A Comprehensive Guide Understanding the Basics of Frame Circuit Breakers Frame circuit breaker, also known as universal circuit breaker, is a multifunctional mechanical switch device that provides important functions of switching on, carryi...

Improving Electrical Expertise: One Two Three Electric Co., Ltd. Training Seminar At One Two Three Electrical Ltd we are proud to offer comprehensive training seminars designed to enhance your understanding of electrical systems. Our expert trainers will guide you through the intricate details of...

Preview of the 22nd China (Shanghai) International Electric Power Equipment and Generator Set Exhibitio Shanghai Yuhuang Electric Co., Ltd. is a high-tech enterprise specializing in R&D and production of dual power automatic transfer switches, molded case circuit breakers, general circuit bre...

One Two Three Electric Co., Ltd. Excels at the 48th Moscow International Power Electronics Exhibition (ELEKTRO) Pavilion in 2023″ From June 6 to 9, 2023, the 48th Moscow International Power Electronics Exhibition (ELEKTRO) Pavilion opened its doors to the public, and One Two Three Electric ...

New staff training-Second class Secondary Electricity Basics Training Notes Must begin with a thorough understanding of direct current (DC), alternating current (AC), phase-to-phase and line-to-line voltages. For any company that relies on electrical systems, this knowledge is critical to the gen...

Schneider moulded case circuit breaker and YUYE circuit breaker difference Schneider NSX MCCB circuit breakers and YUYE M3 MCCB circuit breakers are the most popular products on the market, and they are both indispensable and important components in power and control systems. There are some diffe...

Spring Festival Holiday Notice Dear partners, Happy New Year! ONE TWO THREE Electric Co., Ltd. sincerely thank you for your long-term support and understanding, wish your company a prosperous business in the New Year, all the best! In the New Year, we will work harder to provide you with better q...

Frame circuit breaker (ACB)   Frame circuit breaker is also called universal circuit breaker. All its parts are installed in an insulated metal frame, which is usually open. It can be equipped with a variety of accessories. It is convenient to replace contacts and components, and is mostly used i...

The Mid-Autumn Festival is the traditional festival of the Chinese nation, here we One Two Three Electric Co., Ltd. wish everyone a happy Mid-Autumn Festival, happy family. In order to celebrate the festival, 123 Electric Co., Ltd. will take a holiday in accordance with the national regulations. ...

ATS (YES1 series products) referred to as Automatic Transfer Switch or Dual Power Transfer Switch is mainly made of the components of molded case circuit breaker MCCB  (CB) or isolating switch (PC).  According to the provisions of the national standard GB/T14048.11-2008, it is divided into three ...

The selection of automatic transfer switching appliances (ATSE) should mainly meet the following requirements: When using PC-class automatic transfer switching appliances, should be able to withstand the expected short-circuit current of the circuit, and the rated current of ATSE should not be l...