Features Basic Material: The dual power automatic transfer switch controller module is crafted from high-grade materials, ensuring durability and resilience against harsh environments. Rugged Construction: Featuring a solid and sturdy construction, the automatic controller module boasts exceptional quality that ensures it remains credible even under heavy loads and frequent switching, making it a long-lasting solution for various power management needs. Enhanced Safety: Incorporating advanced safety features, including overcurrent protection, short-circuit prevention, and automatic failover mechanisms, the backup power switch ensures seamless and safe operation, minimizing the hazard of electrical hazards and protecting connected equipment. Ease of Use: Designed for simplicity, the AC power supply switch comes with intuitive controls and clear indicators, allowing users to easily monitor power status and manage power sources without requiring specialized training or complex setups. Versatile Application Range: With its compatibility across a wide range of voltage inputs (85-240V, including 110-V, 220-V, and 230-V) and a robust 10A capacity, the automatic emergency power switch can be integrated into various industrial, commercial, and residential settings. Specification: Features: Thiscontroller is used for emergency battery switching; when there is power on main power source terminal, it will connect to main power as power supply; otherwise, it will automatically switch to backup power source. It can automatically switch back to main power source when the power is back. Designed with screw terminals for convenient wire connection. Output voltage is the same as input voltage normally. Widely usedfor controlling power supply of incubator, network to achieve uninterrupted power supply. Specifications: Main Power Voltage: 85V~240V AC Backup Power Voltage: 85V~240V AC Load Current: 10A Mounting Hold Diameter: 3mm/0.1in Quantity: 1 Weight: 44g(approx.) Note: When it switches, there will be a temporary power failure for about less than 1 second. Package Includes: 1 x Controller Package List