Long service life:small size, simple structure, beautiful appearance, easy operation, long service life. [Good performance]:The shift conversion drive uses single motor drive, simple structure, reliable and stable conversion, no noise and low impact. [Electromechanical lock protection]:switch with electromechanical locking protection to the automatic switch works reliably and without interference. [Change load automatically]:the switch can change the load automatically, and the handle can be used for manual switching in an emergency. [Usage stage]:AC controller protection fuse shutdown power of 50KA, improved distribution safety. Voltage 380-400V Colour: 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.