The Ultimate Guide to Automatic Transfer Switches

Provide complete solutions for all series of dual power Automatic Transfer Switch, Professional manufacturer of Automatic Transfer Switch


The Ultimate Guide to Automatic Transfer Switches
05 06 , 2023

Automatic transfer switches are critical to ensuring seamless transfer of power from primary to backup sources in the event of an outage. Shanghai Yuhuang Electric Co., Ltd. is the largest manufacturer of automatic transfer switches in China, producing high-quality standard switches for various purposes. In this article, we'll take a deep dive into these switches, providing valuable insight into where they're used, considerations, and more.

Product use environment

Shanghai Yuhuang Electric Co., Ltd PC Grade Automatic Transfer Switches are designed for use in a variety of environments including industrial, commercial and residential settings. These switches can be used to transfer power from the main power source to the backup power source, ensuring continuous power supply. These switches are available in different current ratings including 32A, 125A, 250A, 400A, 630ASA/S/LA/L, 125A, 250A and 630AG, 100A, 250A, 630A, 1600A, 3200AM and 1600A AQ to meet a wide range of needs electricity demand. With pole counts ranging from 2P (125A and below), 3P and 4P, you can be confident that there is a switch to suit every need.

Precautions for use

When using automatic transfer switches, it is critical to observe safety precautions. Always turn off the circuit breaker before installing or operating any switches. Switches should only be operated by qualified technicians and all installation procedures must be strictly followed. Also, shedding should always be considered, meaning that all unnecessary loads should be switched off to avoid overloading the system.


Shanghai Yuhuang Electric Co., Ltd. automatic transfer switches have features that make them stand out from other switches in the market. For example, these switches are rated from 16A to 3200A for a wide variety of applications. In addition, the switch has different working modes, including self-input and self-recovery, self-input without self-recovery, mains power generation, etc. These modes ensure your system is up and running in the shortest possible time, minimizing downtime.


Shanghai Yuhuang Electric Co., Ltd. understands the unique needs of customers, and we are committed to providing personalized solutions. Whether you want to add your logo or create custom packaging, our team is ready to help. Our custom service has a minimum order quantity of 100 pieces and we always strive to deliver products that exceed expectations.

in conclusion

Automatic transfer switches are essential to ensure continuous power supply and minimize interruptions. Shanghai Yuhuang Electric Co., Ltd. produces high-quality standard switches to meet various needs. Our switches are available in different current ratings, modes of operation and customizable features, making them suitable for a variety of applications. However, it is critical to observe safety precautions when operating switches to avoid accidents. Contact us today to place your order and experience the power of seamless power transfer.

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