ANSI 54-1, 54-2, 54-3, and 54-4 porcelain strain insulators for overhead distribution and transmission lines.
High mechanical strength, excellent insulation performance, and long service life.
The ANSI 54 Series Porcelain Strain Insulators are designed for dead-end, corner, angle, and tension applications in overhead power distribution networks.
Manufactured from premium electrical-grade porcelain, these insulators provide excellent mechanical strength and electrical insulation performance for supporting conductors under high tensile loads.
The series includes 54-1, 54-2, 54-3, and 54-4 models, widely used by utilities, EPC contractors, and power distribution companies worldwide.
| ANSI Class | 54-1 | 54-2 | 54-3 | 54-4 |
|---|---|---|---|---|
| Height (H) | 89 mm | 108 mm | 140 mm | 171 mm |
| Diameter (D) | 64 mm | 73 mm | 86 mm | 108 mm |
| Creepage Distance | 41 mm | 48 mm | 57 mm | 76 mm |
| Mechanical Failing Load | 44 kN | 53 kN | 89 kN | 89 kN |
| Low Frequency Flashover (Dry) | 25 kV | 30 kV | 35 kV | 40 kV |
| Low Frequency Flashover (Wet) | 12 kV | 15 kV | 18 kV | 23 kV |
| Material | Porcelain | Porcelain | Porcelain | Porcelain |
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