Thanks for using our company products. We will provide reliable quality and dedicated service to allow you to rest assured to use our company products. Before installation, circuit connection, running and maintenance, please make sure to read carefully the user manual, to ensure the correct using, during using please also make sure know very well of relative safety and caution items.

This product is suitable for AC 415V, the rated frequency is 50 Hz, DC 250V and below. All specifications have 3-pole, 4-pole, 400A and below have 2-pole products. This product is mainly used for the first class load specified by the state, and is widely used in fire fighting, post and telecommunications, hospitals, hotels, high-rise buildings, industrial assembly lines, and television stations that need to be connected to important parts of the power supply. The main and backup power sources can be power grids and power grids, and automatic start Generator sets, battery packs, etc.