Welcome to our shop! This Dual Power Automatic Transfer Switch is designed with a safe protective cover, ensuring a safer and more reliable power supply. It has a reasonable structure, small size, and a beautiful appearance. It also features the ability to ensure normal load in case of power failure. It automatically connects one or more load circuits from the power supply to another power supply, maintaining a continuous power supply for your devices. This function provides a good protection function for your circuit. With an EPS fire fighting power interface and DC12~24V reliable voltage, this switch operates noiselessly and saves energy. It is easy to install, operate, and offers reliable and stable performance. The switch comes with complete protection functions, including short circuit protection, overload protection, under voltage protection, as well as fire protection. It also has dual output and shutdown signal functions. This Dual Power Automatic Transfer Switch is widely used in office buildings, shopping malls, banks, stations, hospitals, and high-rise buildings with fire protection requirements. Item Type: Dual Power Automatic Transfer Switch Model: NLQ4-125-4P Rated Voltage: 400V Rated Current: 125A Rated Frequency: 50Hz/60Hz Rated Short Circuit Current: 3kA Mechanical Life: Automatic: 3000 Times; Manual: 1500 Times Rated Insulation Voltage: 500V Included in the package: - 1 x Dual Power Automatic Transfer Switch - 1 x User Manual 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.