Dual power switch: dual power conversion switch is to switch two power supply, including public power and emergency power supply. When the public power supply is cut off, the emergency power supply begins to supply power. After the normal power is turned on, the public power supply be returned. Protection function: Switch supports a variety of protection functions, including short -circuit, overload, lack of phase, and under pressure protection. Automatic and manual: Automatic switch not only supports automatic mode, but also can be operated by manual buttons. It is simple and reliable. Easy to install: reasonable structure, small volume, equipped with a protective cover, and the power supply installation is simple and reliable. Wide application: switches can be used for family and public places, and are particularly suitable for office buildings and public places that require fire protection.<br><br>Describe: ATS level: CB level Use level: AC-33IB Use level: AC-33IB Line voltage: AC230V Line current: 6-63A Working frequency: 50Hz/60Hz Total size: about 150x137x118 mm (1 mm = 0.0393 inches) Display function: indicator light display Installation size: 128mmx122mm Note:The words and colors printed on the instrument head are random, and the designation is not accepted. Color:Cream White Material:plastic<br><br>Package Contents: 1 * Dual Power Automatic fer Switch<br><br>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.