Outdoor Porcelain Termination, 72.5kV-252kV
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Scope of Application
- Model: WYJZWY4
- Suitable for outdoor environment with pollution class of IV
- Rated voltage: 72.5kV (applicable to 120-1600mm²)
126kV (applicable to 240-1600mm²)
145kV (applicable to 240-1600mm²)
252kV (applicable to 400-2500mm²)
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Features
- The stress cone in the cable termination is made of imported EPDM through rubber injection molding, and is held in place by a spring cone to address problems caused by aging-induced relaxation; the cover of the stress cone isolates the cone from the insulating filler, ensuring good contact between the stress cone and the out semi-conducting layer of the cable. This guarantees the long-term and stable operation of the termination;
- The porcelain insulator is made of high-strength inorganic materials what can provide excellent resistance to weather, electric tracking, electrochemical erosion, and water penetration;
- The cable termination is made using multilayer sealing structure to avoid water seepage and oil leakage during operation;
- The outer insulator of the termination has big and small rain sheds that help minimize the possibility of pollution and flashovers;
- Test standard of IEC 620607 and GB/T 18890;
Cable Lug Specifications
| Max. system voltage | Cable nominal cross-section | Lug hole distance C (mm) | Connecting hole of lug Q (mm) | Palm width of cable lug D (mm) | Palm length of cable lug L (mm) |
| 72.5kV | 120 mm2-400 mm2 | 35 | 14 | 63 | 80 |
| 500 mm2-800 mm2 | 45 | 14 | 80 | 100 | |
| 1000 mm2-1600 mm2 | 50 | 17 | 100 | 110 | |
| 126kV-145kV | 240 mm2-400 mm2 | 35 | 14 | 63 | 80 |
| 500 mm2-800 mm2 | 45 | 14 | 80 | 100 | |
| 1000 mm2-1600 mm2 | 50 | 17 | 100 | 110 | |
| 252kV | 400 mm2-800 mm2 | 45 | 14 | 80 | 100 |
| 1000 mm2-1600 mm2 | 50 | 17 | 100 | 110 | |
| 2000 mm2-2500 mm2 | 50 | 18 | 125 | 140 |
Termination Dimensions
| Max. system Voltage | 72.5kV | 126kV | 145kV | 252kV |
| H (mm) | 1050 | 1410 | 1570 | 2700 |
| A (mm) | 1550 | 1910 | 2070 | 3210 |
| B (mm) | 1770 | 2130 | 2290 | 3395 |
Base Plate Mounting Dimensions
| Max. system voltage | 72.5kV-145kV | 252kV |
| N (mm) | 21 | 32 |
| M (mm) | 30 | 40 |
| K (mm) | 270 | 450 |
| U (mm) | 318 | 566 |
| X (mm) | 450 | 800 |
Notice When Ordering:
- Cable configuration and the cross-sectional area of earth wire shall be provided when ordering.
- Welcome to contact our sales manager for any special requirements before placing your order.
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