Pre-Insulated Equipment Connector for Overhead Lines
This pre-insulated connector is designed for connecting overhead lines to transformers or equipment with conducting rods up to 10kV. It is compatible with both copper and aluminum cables.



Technical Specifications
Product Overview
Professional Overhead Line Connector
The SBJ pre-insulated equipment connector is a high-performance solution for connecting overhead lines to transformers or other equipment. Designed for versatility, it supports both copper and aluminum conductors and is rated for operations up to 10kV. The integrated design eliminates the need for external cable lugs, utilizing shear head bolts to ensure stable, long-term electrical performance and easy installation.
Technical Specifications
Rated Voltage
Dimensional Summary
| Conductor Range (mm²) | Rod Size | Wrench Size |
|---|---|---|
| 50-95 | M12, M14, M16 | 17 |
| 95-150 | M12, M14, M16, M18, M20 | 17, 19 |
| 150-240 | M16, M18, M20 | 19 |
| 300-400 | M16, M18, M20, M22, M24 | 22 |
- Standards
- DL/T 346-2010


Key Features
Primary Benefits
- Pre-filled with jointing compound for enhanced electrical conductivity
- Phase conductor identification via color-coded sealing covers
- Fully isolated design for safe copper-to-aluminum transition connections
- Simplified installation with shear head bolts
- High-strength aluminum alloy body for extended service life



