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high voltage crane cable

23 Min Read
6600V 3PNCT cable, manufactured to the Japanese Industrial Standard JIS C 4353 Class 3, is the purpose-built high voltage cable solution for these demanding applications. It combines the same fundamental material technologies proven in the 600V 2PNCT family—EP rubber insulation, polychloroprene rubber sheathing, tinned copper conductors, tinned copper/cotton yarn braid shielding, and Kevlar® para-aramid fibre braided tensile reinforcement—but with substantially enhanced insulation systems and construction techniques required for safe, reliable operation at 6,600V. The cable features a semiconductive stress-grading layer at the conductor/insulation interface, 5.0–5.5 mm thick EP rubber insulation (compared to 0.8–2.5 mm in 600V cables), a metallic braid shield for electric field containment, and a dual-layer polychloroprene sheath with an intermediate reinforcement layer for maximum mechanical protection.
Technical Department
on13/04/2026

6600V 3PNCT Kevlar®-Reinforced High Voltage Crane Cable

6600V 3PNCT cable, manufactured to the Japanese Industrial Standard JIS C 4353 Class 3, is the purpose-built high voltage cable solution for these demanding applications. It combines the same fundamental material technologies proven in the 600V 2PNCT family—EP rubber insulation, polychloroprene rubber sheathing, tinned copper conductors, tinned copper/cotton yarn braid shielding, and Kevlar® para-aramid fibre braided tensile reinforcement—but with substantially enhanced insulation systems and construction techniques required for safe, reliable operation at 6,600V. The cable features a semiconductive stress-grading layer at the conductor/insulation interface, 5.0–5.5 mm thick EP rubber insulation (compared to 0.8–2.5 mm in 600V cables), a metallic braid shield for electric field containment, and a dual-layer polychloroprene sheath with an intermediate reinforcement layer for maximum mechanical protection.
13 Min Read
Class 3 6600V Ethylene Propylene Rubber Insulated Polychloroprene Rubber Sheath Cable - JIS C 4353 Standard
Technical Department
on13/11/2025

What is 6600V 3PNCT Crane Cable? 

The 6600V 3PNCT crane cable represents a specialized class of high-voltage power cables specifically engineered for demanding industrial applications where continuous flexing, high mechanical stress, and environmental exposure are constant operational realities. This cable designation indicates a Class 3 flexible conductor construction rated for 6600 volts AC, featuring ethylene propylene rubber insulation and a polychloroprene rubber outer sheath, manufactured in accordance with the rigorous requirements of JIS C 4353 Japanese Industrial Standard.