Features Excellent Material: The automatic transfer switch is made of excellent flame retardant PC material, reliable insulation, withstand strong temperature, ageing resistance, safe and reliable, the use of silver contacts, brass motor coil can greatly improve Protection Functions: The automatic changeover switch supports various protection functions, including short circuit, overload, phase loss and low voltage protection. Easy Installation: The automatic transfer switch is compact, screw mounted and can be installed vertically or horizontally for easy and reliable power supply installation. Dual Mode: The automatic transfer switch not only supports automatic mode, but can also be operated via manual buttons for simple operation and reliable performance. In the event of a fault in one power supply (only normal A phase voltage and standby A p Quick Switching: The automatic transfer switch has a quick switching speed with load power, safe switching with load, the maximum switching speed is less than 2 seconds, under regular circumstances can achieve the use of electricity part of the appliance Feature: 1. Broad Applications: The automatic changeover switch can be used in a wide range of applications, generally at home and especially in important places where electricity is used, such as hospitals, banks and factories where power cuts are not allowed. Specification: Product Name: Dual Power Automatic Transfer Switch Material: PC flame retardant, brass, pcb, silver Current: 100A Working Frequency: 50Hz Rated Voltage: AC230V Working Voltage: AC220V Display Function: Indicator light display Operation Mode: Automatic manual ATS Level: CB level Conversion Time: ≤2s Use Level: AC 33iB Switching Mode: Automatic switching and automatic recovery Conformity with Standards: IEC947-6-1GB14048.11 Package List: 1 x Dual Power Automatic Transfer Switch Note: Installation Environmental Conditions: 1, The maximum surrounding temperature should not exceed 40°C, the minimum should not be lower than ‑5°C, and the average temperature within 24 hours should not be higher than 35°C. 2, The altitude of the installation site should not be higher than 2000m. 3, When the maximum temperature reaches 40°C, the relative humidity of the installation site should not exceed 50%; when the temperature is the minimum temperature ‑5°C, the relative humidity is higher, e.g. 25°C, the relative humidity is 90%. Due to temperature changes, special measures should be taken to deal with occasional condensation above the product. Package List 1 x Dual Power Automatic Transfer Switch