Suspension Insulator - Ferr - Custom Metal Parts Manufacturer

Similar to string insulators, suspension insulators are flexible assemblies composed of multiple porcelain or glass disc insulators, interconnected through metal fittings. These insulators are commonly employed in medium- and high-voltage transmission lines for reliable electrical insulation and mechanical support.

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FERR’s Suspension Insulators are specifically engineered for high-voltage applications, where robust mechanical strength and environmental resistance are essential. The product line includes porcelain disc-type options as well as polymer long-rod models to suit varying needs.

Suspension insulators come in two main designs: the cap-and-pin type and the interlink type, also known as the Hewlett type. These designs feature distinct metallic connection methods to ensure optimal performance and stability.

For installation on pole lines, the conductor is typically suspended from the bottom section of the insulator. Cross-arms are used to secure the insulator firmly to poles or towers, providing stability during operation.

The voltage capacity of a suspension insulator is determined by the number of disc plates in its assembly; adding more plates increases its voltage withstand capability.

Contact us to discuss your requirements of composite suspension insulator. Our experienced sales team can help you identify the options that best suit your needs.

A variety of end fittings can be used with suspension insulators, such as Y-clevis, tongue, clevis, socket, ball, and eye fittings, allowing seamless integration with different transmission configurations.

One key distinction between suspension and string insulators lies in their orientation and application. Suspension insulators are positioned vertically to counteract gravitational forces, while string insulators are mounted horizontally to bear the conductor’s tensile load.

Lambrinie

Procurement Manager, X Power Engineering, USA

We started out with just a couple samples to try, and they turned out to be so much better than what we were using before. The dimensional accuracy, surface finish are all spot on and the delivery was fast. Now every time I have a project I go to FERR first, with confidence.

Composite insulators have become increasingly popular in electrical applications due to their lightweight design and superior performance. Here, we highlight the three best composite insulator types of , explaining their components and advantages. A typical composite insulator consists of a core made of fiberglass or plastic, covered with a weather-resistant outer layer, often made from silicone or rubber. Key parts include:

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1. Core: Provides mechanical strength.
2. Housing: Protects against environmental factors.
3. End Fittings: Connects the insulator to electrical equipment.