Dual Power Automatic Transfer Switch What it does Continuously monitors phase A voltage and standby phase A voltage to detect supply failures. Automatically transfers one or more load circuits to an alternate power source when a fault is detected, keeping connected systems powered. Supports both automatic operation and manual button control for flexible use and testing. Key benefits Continuous power availability: Automatic monitoring and transfer minimize interruptions to critical equipment and processes. Flexible control: Use automatic mode for unattended operation or manual mode for maintenance, testing, or specific control preferences. Enhanced protection: Builtin undervoltage, overload, phase loss, and short circuit protection reduce the risk of electrical damage and simplify system protection. Durable housing: Enclosed in a flameretardant, temperature PC shell designed for reliable longterm operation in demanding environments. Multicircuit support: Capable of switching one or multiple load circuits to maintain power where it is needed. Core features and attributes Working principle: Detects a primary supply failure by monitoring phase A and standby phase A voltages, then transfers configured load circuits to the alternate source automatically. Control modes: Automatic mode for standby activation and manual button control for direct operator intervention. Protection functions: Undervoltage protection, overload protection, phase loss detection, and short circuit protection to support safe operation across a range of fault conditions. Material: Flameretardant, temperature resistant polycarbonate (PC) enclosure for improved durability. Design: Compact housing suitable for panel mounting or integration in electrical distribution cabinets; engineered to perform reliably under harsh conditions. Compatibility: Designed for use with primary and standby power arrangements such as utility mains with generator backup, UPSsupported systems, and other backup sources requiring an automatic transfer device. Practical applications Commercial buildings: Maintain power to emergency lighting, security systems, and critical loads during utility outages by automatically switching to backup generators. Industrial facilities: Protect production equipment and control systems by transferring selected circuits to standby power during main supply faults. IT and communication closets: Ensure continuous operation of network equipment and servers by coordinating transfer between mains and backup power sources. Why you need it Reduces downtime and manual intervention by automating transfer between power sources. Provides layered protection to help prevent equipment damage during voltage anomalies or faults. Offers flexible control options and robust construction for reliable performance in a wide range of installations. Technical note The unit monitors phase A voltage and standby phase A voltage as its trigger points and supports automatic and manual switching for one or multiple load circuits. The enclosure is flameretardant PC rated for temperature conditions.