[Insulators]

High-quality insulators, built for reliable grids

From line insulators to station posts and bushings — VASTEC delivers certified quality, fast lead times, and proven reliability.
Send us your specifications
Send us your specifications
Scenery of electric insulators with a tower mast in the background
[Our insulators]

Insulator solutions tailored to every grid

We deliver porcelain, glass, and composite insulators with custom hardware. Engineered for performance, safety, and durability across power grids worldwide.

Insulator product families

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Line insulator

Suspension, pin, and line-post insulators for MV/HV overhead networks.
Electrical substation icon

Station post insulators

Robust solutions for substations and switchyards up to EHV.
Electric transformer icon

Bushings

Reliable high-voltage through-wall insulators for transformers and switchgear.
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Rail & OCS insulators

Specialized insulators for railway and metro power systems.

Material options

From design to delivery, VASTEC ensures every part meets your exact specifications and the highest
Composite
Glass
Porcelain

Custom hardware & fittings

Insulator end fitting icon

End fittings

Caps and sockets for attaching insulators to conductors and structures.
Clevis icon

Clevises & brackets

Secure connections between insulators and towers.
Yoke plate icon

Yoke Plates

Plates that connect multiple insulators in string configurations.
Clamp icon

Clamps & bolts

Reliable fastening for mechanical strength.
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Custom designs

Engineered fittings tailored to your project needs.
[Core Strenghts]

Advantages that power your success

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Reliability & traceability

In-house forging/casting for metal parts ensures 100% batch traceability.
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Certified quality

Full compliance with IEC/ANSI standards, with type and routine test reports available.
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Speed & availability

Short lead times, safety stock options for contract clients.
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Engineering support

Assistance with creepage selection, pollution classes, and customized fittings.
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Lower total cost

Composite solutions reduce maintenance and extend service life in harsh environments.
[Quality control]

Certified processes, proven reliability

We work exclusively with certified manufacturers, ensuring quality, safety, and compliance for every project.
Group certifications available via VASTEC HQ, our factory, and partner company ROSENTECH.
ISO 45001
ISO 16949
ISO 14001
ISO 9001:2015
material tracing
Compliance
CE MARKING
OHSAS 18001:2000
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Supplying european leader since 2011
[Industries]

Trusted across industries and environments

Our insulators perform reliably in diverse climates and demanding applications, ensuring consistent safety and durability across global energy networks.
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Utilities (TSO/DSO)

Reliable line replacements, substation upgrades, and expansion projects.
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EPC contractors

Turnkey delivery with full insulator + hardware packages.
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OEMs

Bushings and posts for transformers, switchgear, and GIS.
Railway icon

Renewables & rail

Solutions for coastal, polluted, and railway electrification environments.
Discover how VASTEC can support your industry and let's connect.
Send your specifications
Send your specifications
[Logistics]
Global logistics, reliable support
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Lead times

Fast delivery, tailored to your needs.
Standard shipping options
Express delivery available
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MOQ & samples

Clear terms for orders and samples.
Flexible batch sizes
Sample policy upfront
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Warranty & after-sales

Support you can count on always.
Defined replacement SLA
Technical help included
[Our process]
The VASTEC process
From first requirements to final delivery, our structured workflow ensures reliability, speed, and full transparency at every project stage.
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Requirement check

(within 48 hours): application, voltage, environment, quantity, drawings.
[01]
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Proposal & sample

Datasheets, test reports, and samples provided.
[02]
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Pre-qualification

First article inspection and mechanical tests.
[03]
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Production & QA

Traceability, routine tests, and final inspection.
[04]
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Logistics

Defined packaging, INCOTERMS, and optional safety stock.
[05]
[Get in touch]

See what we can deliver for your industry and let’s connect

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