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AB19A Dual Power Automatic Transfer Switch ATS Set Primary&Backup Power 40V DC12-40V 50A Auto ATS Set Main & Backup Power for Marine Off-Grid UPS Marine Telecom Industrial Solar Panel Cam Surveillance ULTRA-FAST 40A CONTINUOUS / 50A PEAK DUAL POWER AUTOMATIC TRANSFER SWITCH (12V–72V) – This 40A continuous / 50A peak DC automatic transfer switch (ATS) switches from main to backup power in under 10ms, ensuring uninterrupted power supply (UPS) for critical loads. It acts as a reliable dual battery isolator and voltage sensitive relay for high-power 12V–72V DC systems in telecom, industrial, security, RV, marine, and solar panel applications. Standard...