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The 15kV Pin Type Porcelain Insulator for Overhead Line is designed to provide reliable electrical insulation and mechanical support for medium-voltage overhead power distribution systems. Manufactured from high-quality glazed porcelain, this 15kV pin type porcelain insulator offers excellent dielectric strength, long service life, and stable performance under outdoor operating conditions.
This overhead line pin type insulator 15kV is widely used on distribution poles to securely support conductors while maintaining safe insulation distances. Its smooth glazed surface reduces contamination buildup and improves resistance to moisture, pollution, and UV exposure.
Pin Porcelain Insulators (ANSI BS)
1.voltage:23-69kv
2.creepage distance:330-865mm
3.weight:3.7-13.5kg
4.good use-best price
High dielectric strength for 15kV systems
Premium porcelain material with glazed surface
Excellent mechanical load-bearing capacity
Strong resistance to pollution and moisture
Stable performance under temperature variation
Long service life with minimal maintenance
ANSI standard design for easy replacement
Suitable for outdoor and harsh environments
| Main dimensions and standard particulars | ||||||
| Fig | 1 | 1 | 2 | 3 | ||
| Class BS | P-11-Y | P-15-Y | P-20-Y | P-33-Y | ||
| Main Dimensions (mm) | H | 133 | 137 | 195 | 244 | |
| h | 48 | 48 | 52.63 | 52.63 | ||
| D | 140 | 152 | 230 | 279 | ||
| d | 18.29 | 18.29 | 27.78 | 27.78 | ||
| R1 | 13 | 13 | 19 | 19 | ||
| R2 | 9.5 | 12.7 | 14.3 | 13 | ||
| Nominal Voltage (kV) | 11 | 15 | 22 | 33 | ||
| Creepage Distance (mm) | 240 | 298 | 432 | 630 | ||
| Minimum Flashover Voltage | Power-frequency | Dry (kV) | 75 | 80 | 100 | 135 |
| Wet (kV) | 45 | 55 | 60 | 85 | ||
| 50% Impulse | Positive (kV) | 100 | 130 | 160 | 185 | |
| Negative (kV) | 110 | 175 | 205 | |||
| Withstand Voltage | One minute power- frequency | Dry (kV) | 65 | 70 | 90 | 110 |
| Wet (kV) | 40 | 50 | 55 | 75 | ||
| mpulse (kV) | 110 | 150 | ||||
| Radio- Influence- Voltage Data | Test Voltage to Ground (kV) | 15 | 15 | 22 | 30 | |
| Maximum RIV at 1000kHz (uV) | 8000 | 8000 | 12000 | 16000 | ||
| Power-frequency puncture Voltage(kV) | 135 | 135 | 145 | 185 | ||
| Cantilever Failing Load(kN) | 11 | 11 | 11 | 13 | ||
| Weight (kg) | 1.8 | - | - | 11.5 | ||
15kV overhead power distribution lines
Utility distribution poles and crossarms
Rural and urban distribution networks
Medium-voltage electrical infrastructure projects
Outdoor power line installations
• Select the 15kV pin type porcelain insulator according to system voltage and conductor size.
• Install the insulator securely onto the pole pin or crossarm pin.
• Mount the conductor on the top groove and tie it properly.
• Ensure correct clearance distances for safe operation.
• Perform routine inspections during line maintenance.
High-grade porcelain raw materials
Strict firing and glazing process control
Electrical insulation performance testing
Mechanical strength and load testing
Visual inspection and dimensional checks before delivery
Q1: What voltage is this pin type insulator designed for?
A1: It is designed for 15kV overhead power distribution systems.
Q2: Is this porcelain pin insulator suitable for outdoor use?
A2: Yes, it is specifically designed for outdoor overhead lines.
Q3: What are the advantages of porcelain pin insulators?
A3: They offer high insulation strength, durability, and long service life.
Q4: Does the insulator comply with international standards?
A4: Yes, it complies with ANSI and related utility standards.
Q5: How often should the insulator be replaced?
A5: Under normal conditions, it can serve for many years with minimal maintenance.
