ZW32-40.5 model outdoor high-voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is outdoor distribution equipment with rated voltage 35kV, 3 phase AC 50Hz. It is mainly used for breaking and making the load current and short-circuit current in power system, is applicable to the distribution system of substations and industrial & mining enterprises for protection and control, Rural power grid, and is further applicable to the sites with frequent power operation.

The installation instructions provided the main technical parameters and product structure of the circuit breaker, as well as operation, installation, use and maintenance of the principles and methods.