Operating Voltage Limits For The Selection Of Plastic Housings For Vertical Fuse Disconnect Switches
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For category vertical fuse switch disconnector, plastic enclosures are permitted for installation and use when the rated operating voltage does not exceed 1000V. This is related to international and industry regulations regarding the applicable scope of electrical equipment enclosures. According to ANSI/NEMA standards, there is a specific regulatory framework for electrical equipment enclosures with a rated voltage not exceeding 1000V, which covers the usage requirements and standard category classifications of plastic or other insulating material enclosures under different environmental conditions.
