67kN ANSI Class 52-3 Porcelain Suspension Insulator for Distribution Lines - 254mm Disc Diameter, 292mm Creepage Distance
Distribution line disk type porcelain suspension insulator 52-3 features externally attached caps and bases with a highly engineered cementing system that transfers load uniformly from hardware into the porcelain body. Each insulator is manufactured from premium clay materials processed into fully vitrified porcelain, with a glazed surface that enhances strength, appearance, and cleanability.
| ANSI Class | Disc Diameter (mm) | Unit Height (mm) | Creepage Distance (mm) | Mechanical Load (kN) | Impact Strength (N.m) | Proof Test Load (kN) | Dry Flashover (kV) | Wet Flashover (kV) | Impulse Flashover (kV) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 52-3 | 254 | 146 | 292 | 67 | 6 | 33.5 | 80 | 50 | 125 | 4.6 |
Disc suspension porcelain insulators are primarily used on high-voltage overhead transmission and distribution lines to support and insulate conductors. Available in standard and large creepage distance types, these insulators are ideal for clean areas and light pollution environments.
- Reasonable insulation structure with high interturn reliability
- Stainless steel flange with low magnetic inductivity and high resistivity
- Compact design with light weight for easy transportation and flexible installation
- Low OSS and temperature rise characteristics
- High mechanical strength with superior weather resistance
- Exceptional crack resistance performance
- Low thermal expansion coefficient for stable operation
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