ABOUT US

One Two Three Electric Co., Ltd. is Located in Yueqing, Zhejiang Province, the capital of China’s electrical appliances, this company is a high-standard manufacturer specializing in the development and production of low-voltage electrical appliances such as moulded case circuit breaker, Air circuit breaker, miniature circuit breaker, leakage circuit breaker, control and protection switch, dual-power automatic switching switch, isolation switch and so on.

News

Service First

  • The Value significance of dual power automatic transfer switch

    Dual power automatic transfer switch has been more and more customers choose, why there are so many customers choose automatic transfer switch, we say it is reflected in the value of where. Have you ever thought about the consequences of sudden power failure in places like banks and hospitals, wh...

  • CB Class Dual Power Automatic Transfer Switch

    The CB calss automatic transfer switchwhen hen the common power supply is normal and the function key is set to automatic mode, the standby circuit breaker is switched on and the common circuit breaker is switched on to protect the common power supply from load. When the one-phase or three-phase ...

  • The working mode of Automatic Transfer switch

    The working mode of Automatic Transfer switch 1) automatically. When the user sets the automatic function, the switch of the automatic transfer switch is automatically controlled by the controller according to the fault condition. Power grid and generator: Namely (F2) model, when the automatic sw...

  • The difference between molded case circuit breaker and miniature circuit breaker

    Moulded case circuit breaker(MCCB ) provides protection for overload and short circuit in low voltage power distribution system and motor protection loop. Because of its reliability and stability, it has been widely used in industry. Miniature circuit breaker (MCB ) is also used in a wide range a...