Product Overview
The ZW7-40.5 outdoor high-voltage vacuum circuit breaker is an outdoor power distribution device
with a rated voltage of 40.5 kV and a frequency of 50 Hz, designed for three-phase alternating current
with external current transformers. It is primarily used in distribution networks to interrupt and close
load currents, overload currents and short-circuit currents within power systems. It is suitable for
protection and control in substations and the distribution systems of industrial and mining enterprises,
as well as for rural power grids and locations requiring frequent operation; it is particularly well
suited to the needs of urban and rural grid upgrades.
Main technical parameters
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