Features HIGH CONDUCTIVITY: Built in standby disconnect signal output port for easy external observation with signal indicator light, and silver alloy contacts for improved conductivity and lifespan. SAFE MATERIAL: Automatic transfer switch is made of excellent flame retardant PP materials, possess good insulation, high temperature resistant, aging resistant, safe and reliable to use. FAST SWITCHING: When the normal power supply is abnormal, the backup power supply works immediately, to ensure the continuity, reliability and safety of the power supply. WIDE APPLICATION: Dual power toggle controller with excellent isolation, provide self investment and self compound, widely used in families, shopping malls, factories, laboratories, farms and other places. DUAL OPERATION: Provides automatic and manual operation with millisecond level uninterrupted switching, with compact structure and reliable transmission, and wide application in various scenarios. Spec: Item Type: Dual Power Automatic Transfer Switch Material: Flame Retardant PP, Silver Alloy Purpose: Transfer to backup power during power outage, switch to main power when power returns Operating Frequency: 50/60HZ Rated Current: 100A Number of Poles: 2P Operation Mode: Automatic and Manual Transfer Time: How to Use: Before installation, please check the integrity of the ATS. Use the operation handle to open or close the ATS, check the flexibility of the transmission device, and test the generation and disconnection conditions of the load at each stage of normal and backup power supply. packing list: 1 x Dual Power Automatic Transfer Switch Notice: 1. The surrounding temperature should not exceed 40°C and should not be lower than ‑5°C, with an average temperature not exceeding 35°C within 24 hours. 2. The installation location should not be higher than 2000m above sea level. 3. When the maximum temperature reaches 40°C, the relative humidity of the installation site should not exceed 50%; when the temperature is at the lowest ‑5°C, the relative humidity is higher, for example, at a temperature of 25°C, the relative humidity would be 90%. Due to temperature changes, special measures should be taken to address occasional condensation on the product surfaces. Package List 1 x Dual Power Automatic Transfer Switch