Power distribution system
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The HZM5 series plastic enclosure circuit breaker is a compact protection device specifically designed for large-scale photovoltaic power generation and large-scale energy storage systems. This series of circuit breakers supports two medium-voltage levels, AC800V and AC1140V, and can precisely match the output voltage requirements of photovoltaic string inverters, energy storage converters (PCS), and other equipment. The frame current range is 320A to 630A, and in AC800V conditions, the short-circuit breaking capacity is as high as 50kA, enabling rapid and reliable circuit disconnection during system failures. This product adopts thermal-magnetic trip protection, has a compact structure, is flexible to install, and is suitable for scenarios where the distribution space of new energy power stations is limited. It provides an economical and reliable selective protection for the low-voltage side of the system.
The HZW6 series frame circuit breakers are high-performance protection devices specially designed to meet the high standards of the new energy distribution system. With a wide voltage range of AC400V to AC1140V, they perfectly cover the medium and low voltage grid connection requirements of photovoltaic, energy storage, and wind farm stations. The shell frame current ranges from 1600A to 7500A, and are suitable for large-capacity power collection and transmission circuits of new energy.