1Working Principle: When there is an abnormality in the normal power supply, the backup power supply immediately operates, ensuring the continuity, reliability, and safety of the power supply. 2Auto Manual Modes: This transfer switch supports automatic and manual operation, millisecond switching, and widely used in various situations where continuous power outages are not allowed. 3Stable Performance: This transfer switch has a compact structure, reliable transmission, rated current of 63A, coil voltage of 110VAC, suitable for emergency power supply system at 50/60Hz. 4Durable Materials: The changeover switch adopts PC flame retardant plastic shell, with good insulation, high temperature resistance, the silver alloy contact is aging resistance, has a long service life. 5Applicable Fields: This dual power transfer switch has isolation anti interference, stable performance, and widely used in households, shopping malls, factories, laboratories, breeding farms, etc.