Wenzhou Posder Technology Co., Ltd. is a leading wholesale, supplier, manufacturer, and factory of automatic transfer switches. Our 100a Automatic Transfer Switch is the perfect product for those who require a reliable and efficient way to switch between power sources. This automatic transfer switch is designed to seamlessly transfer power between the primary and secondary source in case of a power outage, ensuring that your essential appliances always have access to power when you need it the most. The 100a Automatic Transfer Switch is built with high-quality materials that ensure durability, stability, and exceptional performance. Our experienced team of professionals have designed it with advanced technology that enables it to detect power outages and switch between power sources within a split second, reducing downtime and maximizing productivity. With our automatic transfer switch, you can be sure that your power system is safe, efficient, and reliable. Contact us today to learn more about our products and how we can help you achieve your power needs.