40A Automatic Transfer Switch 4P Uninterrupted Double Power Changeover Switch

--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n\nFeature: \n 1. Automatic Transfer Switch: Test whether the common power supply or the standby power supply is normal, it can switch the power supply within 50ms to establish an uninterruptible power supply\n2. Enhanced Security: When the common power supply malfunctions, the backup power supply immediately starts working to ensure the continuity, reliability, and security of the power supply\n3. Household Rail Mounting: Specifically designed for DIN rail installation in home, this double power automatic transfer switch is suitable for PZ30 distribution boxes, supports 50/60Hz power grids\n4. Automatic Changeover: When the common power supply returns to normal, it will automatically switch back, preventing unnecessary disruptions and enhancing operational efficiency\n5. Product Advantages: This automatic transfer switch has the features of compact size, efficient conversion, easy installation and maintenance, an-