Specification
| IEC Class |
R8 ET75L |
R8 JT75L |
R12.5 ET250L |
R12.5 JT250L |
| Lightning Impulse
Withstand Voltage
(KV) |
75 |
250 |
| Power Freq. Wet
Withstand Voltage
(kV) |
28 |
95 |
| Min.
Creepage
Distance (mm) |
250 |
1140 |
| H(mm) |
190 |
510 |
| Min. nominal Dia. Of
End Fitting d(mm) |
90 |
120 |
| Bolt Hole Dia. Of
End Fitting |
M20 |
M20 |
| Max. Shed dia.
D (mm) |
140 |
200 |
The table above is just one of our product parameters. If you want more information, please get in touch with info@wishpower.net
What is the IEC Porcelain Line Post Insulator?
IEC Porcelain Line Post Insulator is the insulator used on supports in electrical construction to prevent electric current from traveling through object (s). This is based on the International Electrotechnical Commission (IEC) global performance and safety specifications. These high-strength porcelain parts are usually installed on poles or towers in either the vertical or horizontal position to support transmission lines in medium to high-voltage networks. The very first thing is porcelain which provides high resistance to environmental factors like water, heat, and dirt. Excellent performance in regions with heavy levels of pollution or extreme weather conditions — thanks to its durability. This type of insulator is structured with many sheds or skirts to increase leakage distance and hence improve the insulation property by reducing the possibility of flashover in severe environmental conditions. IEC-compliant ensures that it performs consistently in all applications, making it an essential part of the stable and efficient operations of electricity infrastructures worldwide.
Features
- IEC Compliant:
The porcelain line post insulators are designed to meet International Electrotechnical Commission (IEC) standards, facilitating compliance for global power grids.
- High Pollution Resistance:
This insulator has higher performance in polluted environments due to its porcelain material and design. In highly polluted areas, multiple sheds are useful to extend the creepage distance and prevent flashovers from occurring.
- Versatile Installation Options:
The insulator can be cap-mounted in both the vertical and horizontal positions, permitting flexibility for different line configurations in overhead power systems.
- Improvements in Mechanical Stability
Especially in medium and high voltage systems, It supports mechanically the conductor so that it is stable, with very little movement of the conductor under dynamic situations such as wind or load changes.
- Service Life in Severe Climates:
This insulator is made from porcelain, you will find that this insulator is very solid and also can sustain tough environments which would be an excellent option for high temperature as well as weather condition distressed applications.
Benefits
- Global compatibility:
This line post insulator is designed in compliance with international standards and can be used across different countries for power grid installations.
- Low maintenance requirements:
The insulator itself also has a very low maintenance requirement after installation, meaning fewer scheduled inspections and lower long-term operating costs.
- Electric performance is the same for all versions.
It delivers consistently high levels of insulation even in the face of variable environmental conditions, enhancing power system reliability and reducing the events that lead to power outages.
- Cost-effective solution:
The long life span of porcelain translates to a cost saving for utility companies that are looking for a balance between both performance and longevity.
- High thermal stability:
It is resistant to high temperatures, making it an ideal insulator for both very hot and cold environments, so you can count on our insulation working every time in any climate.
How to install it?
- Preparation and Safety:
The power line must be powered off and safety procedures must be done before installation. Inspect insulators and hardware for visible damage, and verify that they meet the power system requirements for suspension equipment.
- Mounting Hardware Setup:
Erect the assembly as shown in the design and space based on how the fittings have been installed Add the mounting brackets for the pole or cross arm as designed The insulators will be supported on these brackets. Make sure the mounting hardware is secured and aligned with the orientation of the insulator (vertical/ horizontal).
- Positioning the Insulator:
Position the porcelain insulator so that it is centered with the pole or cross-arm and fixed to the brackets or clamps.
- Securing the Insulator:
Fasten the insulator to the mounting brackets with bolts and washers Tighten the insulators to the manufacturer’s recommendations.
- Connecting the Conductor:
When the insulator is securely installed, slide the conductor (wire) into the groove of the saddle of the insulator. Fasten conductor clamps or tie wraps to the insulator, and then apply force enough to avoid any excessive strain on the conductor.
- Final Check:
After installation, check over the entire assembly to see if the line post type insulator is firmly in place and the conductors are properly located and connected. Perform a final safety test to confirm all joints are tight with no possibility of malfunction during operation.
Certificate
Factory
Hot Tags: IEC Porcelain Line Post Insulator, Porcelain Insulator, China, manufacturers, ISO factory, wholesale, KEMA, high quantity, best, price, low to high voltage
