| Brand | Xinyouxiang |
| Model NO. | 220 kV intermediate insulation joint |
| Rated voltage | 220kV |
| Series | YJJJI |
Strengthen waterproof design:
Adopting a dual sealing structure of copper shell and fiberglass waterproof protection box, filled with room temperature cured flame-retardant waterproof adhesive (such as 3M 2228 # waterproof tape) to ensure long-term waterproof performance
Built in stress cone structure (imported silicone rubber prefabricated), optimized electric field distribution, enhanced end sealing effect
Electrical performance:
Rated voltage of 220kV, suitable for cable cross-section of 400-2500mm ², lightning impulse withstand voltage of 550kV (10 times for positive and negative polarity respectively)
The conductor connection adopts molding process, with low contact resistance and short-circuit current withstand capacity ≥ 25kA/s
Name and Model
Integrated prefabricated insulation joint YJJJI
Integrated prefabricated straight joint YJJTI
Technical Specifications
| Voltage Level (kV) | 220 |
|---|---|
| Maximum Operating Voltage (kV) | 252 |
| Weight (kg) | ≈180kg (Ordinary Type) ≈500kg (Waterproof Type) |
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