Intermediate Joint

The Ankura-YJJJI / YJJJT type insulating joints / straight-through joints produced by our company have rated voltages of 48/66kV, 64/110kV, 76/138kV, 127/220kV, 290/500kV (300/500kV). The preformed rubber insulators are injection-molded with liquid rubber and adopt a patented structure. They are easy to install and have reliable grounding. The products have over fifteen years of operation experience and are suitable for various operating environments with reliable performance.

Features

The connector protection cover can be configured with a non-magnetic metal shell, or a non-magnetic metal shell combined with a fiberglass reinforced plastic waterproof shell. Even without the fiberglass reinforced plastic waterproof shell, it still has excellent and reliable waterproof performance, saving space and cost.
The connector protection cover can choose either no glue filling or glue filling form, both of which have excellent waterproof performance.
It can be used for the connection of cables of various sizes.

Main Parameters

Technical Parameters

Unit:mm

Technical Specifications		110K（66kV）	220kV	500kV
Adapt to the cross-sectional area of the cable conductor (mm²)		240~2500	400~2500	800~3000
Cable connection adapt to the cross-sectional area of the cable conductor (mm²)		240~1600	400~2500	/
Reference weight of the product (kg)		230	680	2950
Material of the rubber part (stress cone)		Silicone rubber	Silicone rubber	Silicone rubber
Material of the metal protective shell		Copper / Aluminum	Copper / Aluminum	Copper / Aluminum
Joint size	L1	1755	1650	2360
	L2	695	870	1160
	A	Φ260	Φ370	Φ590
	B	290	380	800
Waterproof housing	Maximum overall dimensions	2400×435×350	2400×575×500	/
Waterproof housing	Material	SMC	SMC	/
Conductor connection method		Confined pressure	Confined pressure	Confined pressure
Installation and laying environment		Tunnels, direct burial, immersion in water
Arrangement method		Linear shape, T-shaped shape