Composite station post insulators (245 - 800kV)

Composite station post insulators can directly replace porcelain insulators. Composite insulators with silicone rubber insulation possess unique properties and are installed all over the world. 

Hitachi Energy offers a wide range of insulators, and together with our flexible production method, we can deliver composite insulators that will meet your requirements.

• More than 45 years of experience in manufacturing composite insulators
• Explosion-proof for maximum safety
• Non-brittle material with reduced risk of damage during handling
• Leakage current control through hydrophobicity
• Excellent insulation for reduced creepage
• Flashover resistance
• Outstanding seismic performance for safety and reliability
• Low weight for cost savings
• Maintenance-free and outstanding pollution performance
• UV stability
• For high-voltage applications and substations

• Main applications: reactors, disconnectors and busbar supports
• Range: from 45 to 550 kV AC, 800 kV DC
• One-piece design up to 15 meters in length
• HTV material
• Optimized shed profile
• Qualification and verification exceed standard requirements
• Low pressure gas filled
• No monitoring