Precision Electrical Testing & Monitoring Solutions

VA-TEK builds high-voltage test sets, IEC 61850-ready relay protection test systems and transformer diagnostic instruments for utilities, cable contractors, service companies and testing laboratories. From substation commissioning to transformer condition assessment — we deliver the accuracy, reliability, and support your critical assets demand.

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ISO 9001:2015 CE Certified IEC Standards Compliant 15+ Years Engineering Experience

Our Product Range

Specialized testing and monitoring solutions engineered for power industry professionals.

Relay Protection Testing

IEC 61850-ready relay test sets for commissioning, maintenance, and troubleshooting of protection systems in digital and conventional substations. 3-phase and 6-phase models available.

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VLF Cable & Insulation Testing

Very low frequency AC hipot test sets from 30 kV to 90 kV peak for after-laying, acceptance and maintenance testing of shielded power cables, generator stators and motor windings. The TD models add tan-delta diagnostics.

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CT/PT Testers

Portable and laboratory-grade current transformer and potential transformer testing equipment for ratio, polarity, excitation, and burden measurement. Complete CT/PT analysis in a single test set.

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Service Network

Find authorized distributors and service centers in 40+ countries worldwide. Local support, local language.

Download Center

Access datasheets, user manuals, software updates, and calibration certificates for all VA-TEK products.

Video Center

Watch product demos, application tutorials, and technical webinars on our YouTube channel.

Solutions for Every Power Testing Challenge

From substation commissioning to transformer lifecycle management, our solutions cover the full spectrum of electrical testing needs.

Substation Commissioning

Complete testing solutions for new substation deployment and retrofit projects.

Transformer Lifecycle Management

From factory testing to online monitoring — manage transformer health across its entire service life.

Renewable Energy Integration

Relay testing, cable hipot and insulation testing for solar farms, wind plants, and BESS facilities.

Industrial Maintenance

Predictive maintenance testing for motors, switchgear, and cables in manufacturing environments.

Field Service Testing

Portable, rugged instruments for on-site commissioning and troubleshooting crews.

Training & Education

Training-grade test equipment and didactic systems for technical universities.

VA-TEK by the Numbers

1999

Founded

27,000

Square Meters Office Area

10,000+

Enterprise Clients Worldwide

40+

Countries Served

Trusted by Power Professionals Worldwide

Case studies coming soon. Explore our product range to see how VA-TEK supports power professionals worldwide.

Technical Insights

Expert articles on relay protection, cable and insulation testing, IEC 61850, and transformer diagnostics.

Sep 14, 2026

VLF vs DC Cable Testing: Why 0.1 Hz Replaced DC Hipot

Why DC proof testing was abandoned on extruded cable, how the VLF test voltage is derived from U0, what the...

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Sep 11, 2026

When Do You Need Six-Phase Relay Testing?

Differential protection on transformers, generators, busbars and lines needs six synchronized current channels. This article sets out where six-phase relay...

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VAE-660 relay test set — three-quarter view, left

Sep 11, 2026

Testing Transformer Differential Protection: Bias, Harmonics and Stability

Differential protection is proven by injecting the currents the CTs deliver for through-load, through-fault and internal-fault cases, with every test...

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