THERON ELECTRO-TECH SYSTEMS

Delivering expert OLTC servicing,Wholesale Spares Parts, testing, maintenance, and emergency support to maximize transformer reliability and performance.

About Us

OLTC Servicing
& Maintenance & Wholesale Spares Parts

The On-Load Tap Changer (OLTC) is one of the most critical components of a power transformer. Regular maintenance helps prevent contact wear, carbonization, mechanical failures, and unexpected breakdowns.

We did this

Our Work

Our Client Satisfaction

Our Clients Value
✔ Reliable and efficient service delivery
✔ Professional and knowledgeable engineers
✔ Fast response during emergencies
✔ Accurate testing and diagnostic solutions
✔ Cost-effective maintenance programs
✔ Strong commitment to safety and quality

77

Completed
Projects

92

Satisfied
Clients

84

Resolved
Tickets

Our Commitment to Customer Satisfaction

- High-quality service with industry-standard practices
- Timely project completion and rapid response support
- Experienced and skilled technical professionals
- Transparent reporting and technical recommendations
- 24/7 emergency assistance for critical situations
Continuous improvement through customer feedback
-Long-term maintenance partnerships and support

Our Work

OLTC Inspection, Maintenance & Overhauling

Transformer Testing & Commissioning Support

OLTC Spare Parts Supply

Contact Replacement & Mechanism Servicing

Oil Filtration and Dehydration

Transformer Health Assessment

Emergency Breakdown Services

Preventive Maintenance Programs

Technical Consultancy for Transformers and OLTCs

We are committed to delivering quality workmanship, timely execution, and dependable support to utilities, substations, industries, and power sector organizations.

Reliable Transformer & OLTC Solutions for a Stronger Power Network.

Emergency Tap Changer Support (24×7)

Our 24×7 Emergency Tap Changer Support Service provides rapid response, expert troubleshooting, and immediate corrective action to restore transformer operation safely and efficiently.

Experienced Team Members

Our team consists of highly skilled professionals with extensive experience in On-Load Tap Changer (OLTC) maintenance, transformer servicing, testing, troubleshooting, and refurbishment. Each member is trained to handle critical transformer applications and emergency breakdown situations with precision and safety.

We are here for you 24/7

we understand that transformer and OLTC issues can occur anytime. That's why our expert team is available 24/7 to provide fast, reliable support, minimize downtime, and keep your power systems running safely and efficiently. Your reliability is our priority.

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