ZSW-40.5/8-4 Outdoor Anti-Pollution High-Voltage Porcelain Post Insulator

ZSW-40.5/8-4 high-voltage porcelain post insulator is a critical component designed for harsh outdoor environments, ensuring the safety and reliability of power systems. With a rated voltage of 35kV, it is perfectly suited for 50Hz power grids. Its excellent anti-pollution performance and robust mechanical properties make it an ideal choice for industrial, polluted, and coastal areas.

Built with a solid porcelain structure and a specialized anti-pollution design, the ZSW-40.5/8-4 effectively prevents flashover caused by contamination. It serves as a reliable insulating support in power transmission and distribution systems.

ZSW-40.5/8-4 Outdoor Anti-Pollution High-Voltage Porcelain Post Insulator

Core Technical Data

Parameter	Value
Product Model	ZSW-40.5/8-4
Rated Voltage	35kV
Highest System Voltage	40.5kV
Rated Frequency	50Hz
Rated Mechanical Bending Strength	4kN
Rated Mechanical Torsional Strength	8kN (This parameter corresponds to the '8' in the model number; the bending strength is '4' and complies with industry standards)
Insulation Material	Porcelain
Creepage Distance	≥ 1013mm (meets Class IV anti-pollution standard)
Application Environment	Outdoor, Anti-Pollution
Standards	GB/T 1001.1, IEC 60273

Product Features & Advantages

Robust and Durable: The solid porcelain body provides excellent mechanical strength, allowing it to effectively support electrical equipment and withstand operational stresses.
Superior Anti-Pollution Performance: The specially designed sheds increase creepage distance, making it suitable for high-pollution and high-salt-fog environments and effectively preventing flashover.
High Reliability: Compliance with global standards like GB and IEC ensures reliable quality and stable performance.
Broad Application: Suitable for a wide range of applications, including high-voltage switches, busbars, and disconnectors.

Applications & Engineering Case Study

Our ZSW-40.5/8-4 insulators play a critical role in the following scenarios:

Coastal Substations: Resists salt fog corrosion and prevents flashover.
Heavy Industrial Zones: Handles air pollutants to ensure stable equipment operation.
Humid and Hot Climates: Maintains insulation performance in high-humidity environments.

📊 Engineering Case Study: 2023 Substation Upgrade in Manchester, UK

In 2023, we supplied ZSW-40.5/8-4 high-voltage insulators for a 35kV substation upgrade project located near an industrial park in Manchester, UK. The area's high concentration of industrial pollutants had caused severe contamination of the original insulators, leading to frequent maintenance and flashover risks. After replacing them with our anti-pollution insulators, maintenance workload was significantly reduced. In the past year, not a single fault trip occurred due to insulator contamination, ensuring stable power supply to the local grid.

Installation & FAQ

Installation Tips: Before installation, check the insulator surface for any damage; ensure the mounting surface is flat and the bolts are tightened to secure the insulator's verticality.
Maintenance: Periodically clean the insulator's surface, especially during polluted seasons, to maintain its optimal insulation performance.

❓ Frequently Asked Questions (FAQ)

What's the difference between an 'anti-pollution insulator' and a standard insulator?

Anti-pollution insulators increase creepage distance or use special materials to enhance insulation performance in polluted environments, effectively preventing flashover caused by surface contamination.

Can the ZSW-40.5/8-4 be used outdoors?

Yes, the 'W' in the model stands for 'Outdoor,' meaning it is specifically designed for outdoor use.

How can I determine if this product is suitable for my environment ?

Please contact our engineer and provide information about your project's location and pollution levels; we will recommend the most suitable model.