Long Lifespan: Small size, simple structure, beautiful appearance, easy to use, long lifespan. [Good Performance]: The inverter uses a single motor, simple structure, stable conversion, no noise, and low impact. [Electromechanical Lock Protection]: Circuit breaker with electromechanical lock protection to ensure that the automatic circuit breaker works smoothly and without interference. [Automatic Load Change]: The circuit breaker can change the load automatically, and the handle can be used for manual switching in an emergency. [Usage Steps]: 50KA AC controller protection fuse shutdown, improved distribution safety. Voltage 380-400V Color: as shown Material: ABS Package Contents: 1 * Automatic Transfer Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.