53 Series Ceramic Spool Insulators provide reliable insulation and conductor fixation for low-voltage outdoor distribution systems.
WANGYUAN 53 Series Ceramic Spool Insulators are designed for insulation and fixation of conductors in low-voltage distribution systems. Made of high-grade electrical ceramic with a dense glazed surface, the classic spool structure ensures reliable electrical insulation and stable mechanical load capacity. Available in brown and white glazes with standard 53-1, 53-2 and other specifications, all products comply with relevant international power standards, suitable for long-term service in outdoor wiring scenarios.
STANDARD：ANSI C29.1, ANSI C29.3
VOLTAGE：0.4KV
| Spool Insulators | ANSI | |||||
|---|---|---|---|---|---|---|
| Type | 53-1 | 53-2 | 53-3 | 53-4 | 53-5 | |
| Mechanical Failing Load,kN | 8.9 | 13.3 | 17.8 | 20 | 26.7 | |
| Power Frequency Dry Flashover,kV | 20 | 25 | 25 | 25 | 35 | |
| Power Frequency Wet Flashover,kV | Vertical | 8 | 12 | 12 | 12 | 18 |
| Horizontal | 10 | 15 | 15 | 15 | 25 | |
| Dimensions mm | Height | 54 | 76 | 81 | 76 | 105 |
| Diameter | 57 | 79 | 76 | 105 | 102 | |
| Neck Diameter | 45 | 45 | 45 | 73 | 73 | |
| Hole Diameter | 18 | 18 | 18 | 18 | 18 | |
| Grooves Radius | 11 | 18 | 11 | 16 | 11 | |
| Net Weight,kgs | 0.2 | 0.55 | 0.6 | 1.1 | 1.16 | |
High-purity electrical ceramic with dense glazing delivers stable dielectric strength, effectively isolates live conductors and suppresses leakage current, ensuring safe operation of low-voltage distribution and wiring systems.
High-temperature fired compact ceramic body features excellent compressive and impact resistance, stably withstands conductor tension and mechanical stress, with long service life under long-term load.
The dense glazed surface has good anti-pollution, UV and corrosion resistance, adapts to humid, dusty and various outdoor environments, maintaining stable insulation performance for a long time.
Standard through-hole spool design fits various conductor specifications and mounting brackets, enabling simple and fast on-site assembly, widely applicable to low-voltage pole lines projects.
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