4P 400V 125A Double Power Automatic Transfer Switch ATS Quick Switching High Performance Electrical Transfer Controller

Ensure reliable and uninterrupted power supply with this high-performance Double Power Automatic Transfer Switch, engineered for seamless and rapid switching between main and emergency power sources. Designed with a robust 4-pole configuration and rated for 125A working current at AC 400V, this automatic transfer switch is ideal for critical environments requiring continuous power, such as factories, shopping malls, and daycare centers. Key Features: · Built-in Sign Output: Equipped with an open circuit sign output for scheduled standby use, allowing connection to an external indicator for easy remote monitoring outside the equipment cabinet. · Millisecond-Level Uninterruptible Switching: Guarantees rapid transfer to emergency power within milliseconds upon detecting a power anomaly, maintaining a safe and continuous power supply without interruption. · Silver Contactor Design: Features silver contactors that significantly improve electrical conductivity and ensure efficient switching. The contactors are housed in flame retardant plastic, providing excellent insulation and enhanced safety. · High Electrical Endurance: Rated for 125A working current and AC 400V operating voltage, with an insulation voltage up to AC 690V and a rated short circuit current of 50kA, ensuring durability and reliability in demanding electrical environments. · Wide Application Range: Suitable for use in environments requiring uninterruptible power supply with a rated working voltage of AC 400V at 50Hz, including industrial, commercial, and institutional facilities. · Fast Switching Performance: Contactors feature switching, work switching, return switching, and power failure times all under 50 milliseconds, reducing downtime and protecting connected equipment. · Safety and Control: Includes two independent relays with transformer contactors for precise control, a short circuit safety fusing device (RT1 6 00 63A), and an impulse withstand voltage rating of 8kV, reinforcing safe operation under electrical stress. · Durable Materials: Constructed from high-grade PC plastic and silver components, ensuring flame retardancy, excellent insulation, and resistance to short circuit currents as per AC 33iB usage category standards. · Long Service Life: Designed for extended durability with a mechanical lifespan of 2000 automatic operations and 5000 manual operations, providing reliable performance over time. Specifications: · Item Type: Double Power Automatic Transfer Switch · Material: PC (polycarbonate), Silver Contactor · Number of Poles: 4P · Rated Working Current: 125A · Rated Working Voltage: AC 400V, 50Hz · Insulation Voltage: AC 690V · Rated Short Circuit Current: 50kA · Rated Impulse Withstand Voltage: 8kV · Control Circuit Voltage: AC 200V, 50Hz · Auxiliary Circuit: AC 220V, 50Hz · Contactors Switching Time: <50ms · Work Switching Time: <50ms · Return Switching Time: <50ms · Power Failure Transfer Time: <50ms · Usage Category: AC 33iB · Lifespan: 2000 automatic cycles, 5000 manual cycles · Short Circuit Safety Device: RT1 6 00 63A fuse Package Includes: · 1 x Double Power Automatic Transfer Switch This Automatic Transfer Switch is a reliable and efficient solution for maintaining uninterrupted power in critical systems, combining fast switching speeds, enhanced conductivity with silver contactors, and comprehensive safety protections. Ideal for environments where power continuity is essential, it ensures peace of mind and safeguards your electrical equipment during power disturbances.