china porcelain ceramic insulators
2025-12-10
| IEC | U70BLP | U70BELP | U70BLP | U100BELP | ||||
| Insulator Code | U70BP/146D | U70BP/160D | U70BP/146D | U100BP/160D | ||||
| Model | XWP₂-70 | XWP₃—70 | XWP₈—70 | XWP₂—100 | ||||
| Rated Electromechanical Destruction Load (kN) | 70 | 70 | 70 | 100 | ||||
| Individual Tension Load (kN) | 35 | 35 | 35 | 50 | ||||
| Nominal Disc Diameter D (mm) | 255 | 280 | 280 | 280 | ||||
| Nominal Structural Height H (mm) | 146 | 160 | 146 | 160 | ||||
| Nominal Creepage Distance (mm) | 400 | 450 | 450 | 450 | ||||
| Connection Mark (mm) | 16 | 16 | 16 | 16 | ||||
| Locking Pin Type | R | R | R | R | ||||
| Withstand Voltage (kV) | Power Frequency | Dry | 75 | 75 | 75 | 75 | ||
| Wet | 40 | 45 | 42 | 45 | ||||
| Lightning Impulse | 100 | 120 | 120 | 120 | ||||
| Power Frequency Breakdown Voltage (kV) | 120 | 120 | 120 | 120 | ||||
| Radio Interference Voltage | Ground Test Voltage (kV) | 10 | 10 | 10 | 10 | |||
| Maximum RIV (1MHz) (uV) | 50 | 50 | 50 | 50 | ||||
| Weight (kg) | 5.8 | 7.6 | 7.5 | 7.6 | ||||
GB/T1001.1, IEC60383-1
In electrical insulation, proven heritage meets modern engineering. For generations, porcelain ceramic insulators have been the global standard for safety and durability in overhead power line applications. Their enduring popularity stems from a perfect synergy of material science and practical performance. The very composition of porcelain ceramic provides a naturally high dielectric strength and impressive compressive load capacity, creating a physically robust and electrically secure component that utilities can depend on season after season.
The advantage of this material lies in its holistic performance profile. Unlike some modern composites, a high-quality porcelain ceramic insulator is inherently immune to the damaging effects of sunlight and ozone, with no risk of material brittleness over time. Its hydrophilic surface, when properly shaped, promotes uniform wetting and effective rainwater washing of pollutants. This predictable performance, combined with excellent fire and heat resistance, makes porcelain ceramic the prudent choice for applications where failure is not an option, ensuring grid stability and public safety.
Our manufacturing process refines this classic material to contemporary precision standards. We offer an extensive portfolio, including pin-type, line post, and cap-and-pin porcelain ceramic insulators. Each is designed with optimized shed profiles for specific pollution severity levels, ensuring reliable operation in diverse climatic zones. When your project demands insulation with a century-proven track record, our porcelain ceramic solutions deliver unwavering protection for critical electrical infrastructure.
Key words:
Chinese porcelain ceramic insulators
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