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Hollowcore & Solidcore Composite Substation Post Insulators

Following extensive developments in this area we now offer a full portfolio of composite substation post insulators up to 750kV AC/DC and tailored to meet exact requirements as replacements for conventional porcelain insulators or for new construction.

Ideally suited to areas of high pollution i.e. coastal regions, the use of silicon rubber composite insulators can drastically reduce the number of transient pollution flashover interruptions plus remove the need for regular insulator washing or cleaning.

The short lead time for manufacture and versatility of these insulators means that solutions are available for all electrical and mechanical scenarios backed up by extensive testing.


Employing pioneering technologies to
drive efficiencies and push performance frontiers

Matching our behaviour to our words
and taking responsibility for our actions.


Dedicated to continuous improvement to
exceed customer expectations in all our activities.

Flexibility in our approach to
adapt with the changing demands of the industry.


Welcome Shayden & Jack

We are delighted to welcome two new engineering apprentices Shayden & Jack to Allied Insulators. Both apprent

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