High-Quality TR-202 Porcelain Line Post Insulator for Thailand Manufacturer, Factory

LINE POST PORCELAIN INSULATOR TR202 is a ceramic insulator used for power transmission lines. It is a common power equipment used to support and insulate high-voltage transmission lines, ensuring safe and stable power transmission.

Product Description

Product Video

Technical Drawing

TR-202 Technical Drawing

Product Parameters

Technical Specifications Unit Value (TR202)
ANSI TYPE - TR202
Overall Height (H) mm 199
Max. Shed Diameter (D) mm 158
Creepage Distance mm 267
Top Cap / Max. Cap Diameter mm 19
Bottom Cap / Max. Cap Diameter mm 19
Cantilever Strength kN 8.9
Tension Strength kN 35
Torsion Strength N.M 45
Compression Strength kN 222
Impulse Flashover Positive kV 105
Low Frequency Withstand Wet kV 30
Impulse Withstand Voltage kV 95
Test Voltage RMS to Ground kV 5
Max. RIV, at 1000kHz μV 50
Net Weight kg 5.9

Product Details & Features

TR-202 Product Photo

The high voltage line rod insulator is designed for insulation and supporting conductors in high voltage transmission and distribution lines. Featuring a non-breakdown structure, it offers exceptional mechanical strength, robust insulation performance, and superior pollution resistance.

High Insulation Performance: Made of high-quality ceramic materials, effectively isolating high-voltage lines and preventing leakage.
High Temperature Resistance: Capable of withstanding extreme power transmission environments without deformation.
Anti-Pollution Flashover: Maintains stability in harsh conditions such as high humidity, dust, or coastal environments.
High Strength & Durability: Engineered to withstand external forces, tension, and vibration for long-term operation.
Easy Installation: Designed for quick and secure fixing to support structures, reducing labor costs.

Frequently Asked Questions

1. What are the primary applications of the TR202 insulator?
The TR202 model is widely used in medium and high voltage transmission lines within power systems to support and insulate conductors, ensuring safe and stable electricity delivery.
2. How does the TR202 handle environmental pollution?
It features excellent anti-pollution flashover performance, allowing it to maintain stable insulation even in dusty, humid, or high-temperature environments.
3. What is the cantilever strength of this model?
The TR202 has a rated cantilever strength of 8.9 kN, providing high mechanical reliability under physical stress.
4. Why is ceramic the preferred material for these insulators?
High-quality ceramic offers superior insulation, high temperature resistance, and long-term durability against the elements compared to other materials.
5. Does the TR202 require frequent maintenance?
No, the design focuses on safe and reliable operation with simple maintenance requirements and a long service life, which helps in reducing overall line costs.
6. What is the creepage distance of the TR202?
The TR202 model provides a creepage distance of 267 mm, ensuring effective protection against surface tracking and flashovers.

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