The entire high-voltage ring main unit has no exposed live parts, enabling it to operate in harsh environments such as dusty and humid conditions with an protection class of IP67. It can be used at an altitude of up to 2000 meters, and products suitable for higher altitudes can be provided upon request. Its gas tank is made of stainless steel plate, while the cover plate and cabinet frame are made of aluminum-zinc coated steel plate. The gas tank is leak-proof for 30 years, requiring no electrical maintenance. The cable connectors and special busbar connectors are made of inorganic anti-aging silicone rubber material.
The busbar connectors of this ring main unit are easy to install. The busbar connectors (patented products) are supplied with the cabinet. Simply insert the connector into the side of one cabinet and push the other cabinet to it to complete the busbar connection. The ring main unit can be extended to the left, right, or both sides arbitrarily, allowing users to flexibly form various system schemes according to actual needs.
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