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American-style insulating cap
American-style insulating cap
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Application areas:
Insulating caps are used to seal the pre-reserved openings of 600A or 200A busbar bushings or to seal bushings with removed cable connectors during maintenance. They are accessory accessories for bushings, providing full insulation and sealing protection for energized bushings, and dustproof and moisture-proof sealing protection for non-energized bushings.
Product Description
The plug interface conforms to the IEEE 386 standard for 600A or 200A sleeve design.
It uses imported EPDM rubber, which not only has excellent electrical properties, but also is tear-resistant, ozone-resistant, oxidation-resistant, corrosion-resistant, and has high mechanical strength.
The internationally advanced three-layer injection molding process effectively ensures interface performance and minimizes partial discharge; the inner and outer shield design of the shielded plug optimizes the electric field structure; the uniform outer shielding layer, with a grounding resistance of less than 1000Ω, effectively keeps the outer surface of the cable head at zero potential, ensuring the personal safety of maintenance operators; and it has good thermal stability and thermodynamic properties.
Product Parameters
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Electrical properties of American-style insulating caps:
Rated voltage 15kV (8.3/14.4kV) 25kV (15.2/26.3kV) Rated current 600A or 200A 600A Power frequency withstand voltage 42kV/1min 54kV/1min Partial discharge 15kV, ≤2pC 22.8kV, ≤2pC Impulse voltage (10 times each for positive and negative polarities) 95kV 125kV Shielding resistor ≤5000Ω ≤5000Ω Note: This product meets the requirements of IEC 60502.4-2005, IEEE-386 and GB/T 12706.4-2002. Wolong Electric is committed to continuous product improvement, therefore we reserve the right to change designs, dimensions, and data without prior notice.
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