Photovoltaic circuit breaker adopts special arc extinguishing and current limiting system, which can quickly cut off the fault current of DC distribution system, so that the level difference coordination can be greatly improved. Photovoltaic circuit breaker is especially aimed at the leaping trip and other accidents between the test protection screen and the power distribution screen in the DC system of power engineering. This series has excellent performance and can avoid the above faults. The differential matching characteristics of PV circuit breaker products are the best of similar products at home and abroad.

1. after the board wiring. The advantage of the board wiring is that when maintaining the photovoltaic circuit breaker, you only need to disconnect the former power supply, and do not need to rewire. This kind of structure is more special, are equipped with special installation plate and screws, in the installation must be strictly in accordance with the manufacturer’s requirements to avoid affecting the normal use of the circuit breaker.

2. Plug-in wiring. The advantage of plug-in wiring is that when the circuit breaker needs to be replaced, just pull out the old circuit breaker and replace it with a new one. In operation, it is faster and more convenient than the connection before and after the board. When using this method, the plug should be securely fastened, so as to reduce contact resistance and improve safety and reliability.

3. drawer type wiring. Photovoltaic circuit breakers and other products in and out of the drawer is realized by the rocker clockwise or counterclockwise rotation, in the main, two circuit to use the plug-in structure. In this way, one machine can be used for both purposes, which not only saves the cost of use, but also has great advantages in the convenience of operation and update maintenance.