YJJT/ YJJJ 66-500kV Premoulded Joint

YJJT/ YJJJ 66-500kV Premoulded Joint
The integral premoulded joint consists of a high-voltage electrode, two stress cones and insulators, and it is pre-fabricated by using high-quality silicon rubber in the factory. It can be installed only by pulling the spiral core in the field construction after the preset bore-expanding process in the factory. A safe and stable surface pressure can be achieved by using the elasticity of the silicon rubber.
According to customer requirements, a coffin box can be used optionally. The joint without coffin box (Dipping type) can also meet waterproof requirements due to its protective copper tube with plastic waterproof coating.

Rated voltage Applicable cable dimensions
66kV     150-1600mm2
110kV   240-2000mm2
220kV   400-2500mm2
500kV   800-2500mm2
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