- 29/1 Nirmal Chandra Street, Kolkata – 700012, India
- contact@truvolt.com
- +91 33 2236 0314 / 33 2236 0316
India’s trusted manufacturer of transformers and furnace systems — designed, tested, and commissioned for utilities and industries across 8 countries.
50+ years of design and manufacturing expertise across power, distribution, and furnace transformers.
In-house capability from 25 kVA DTR to 36 MVA PTR, up to 66 kV class, with end-to-end delivery.
Our engineers provide detailed proposals within 48–72 hours of receiving your specifications.
Truvolt Engineering Co. Pvt. Ltd., established in 1970, designs, manufactures, tests, and commissions power and special-purpose transformers for utilities and industries. With proven performance across India, Nepal, Bangladesh, Bhutan, Zambia, Kenya, Nigeria, Ethiopia, and Iraq, our reputation rests on robust design and dependable field performance.
Truvolt combines five decades of transformer engineering with ISO-certified processes, type-tested designs, and end-to-end project capability — from inquiry to commissioning.
Quality Management System certified by RWTÜV Systems GmbH, with full material traceability and stage-wise inspections.
All products type-tested at CPRI, ERDA, IIT, and Jadavpur University for complete performance validation.
Full compliance with IS 2026, IS 11171, IEC, and relevant international standards for every product.
Robust mechanical design ensuring high short-circuit withstand capability for reliable operation under fault conditions.
CRGO laminated cores and 99.9% purity electrolytic copper windings deliver low losses and efficient voltage regulation.
One of the top government-approved transformer suppliers in Eastern India, serving DISCOMs including WBSEDCL, SBPDCL, NBPDCL & more.
Low-loss transformer designs reduce operational carbon footprint and support sustainable energy infrastructure.
Designs tested and proven in tropical and extreme climates across 8 countries with full IEC/BS documentation.
End-to-end support from installation and commissioning through to performance validation and ongoing service.
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From distribution networks to heavy-duty furnace applications — Truvolt engineers and delivers transformers for every industrial need.
Up to 5 MVA, 11 kV / 33 kV
Used in steel plants, rolling mills, material handling systems, and utility distribution networks. CRGO cores and electrolytic copper windings for high reliability.
Up to 36 MVA, 33 kV Class
Step-up and step-down transformation for generating stations, grid substations, and industrial power systems with bidirectional power flow capability.
Up to 30 MVA, 33 kV
Heavy-duty design for arc, induction, and ladle refining furnaces — built for frequent switching, short circuits, and 24/7 operations.
25 kVA to 2.5 MVA, up to 12 kV
Fire-resistant, oil-free, low-maintenance design suitable for indoor and outdoor installations. Environment-friendly and compliant with IS 2026 / IS 11171.
Voltage Regulation & Control
Used for voltage regulation in rural distribution networks and industrial systems. Features automatic tap changing and robust mechanical construction.
Up to 132 kV Class
End-to-end turnkey execution of electrical substations including design, supply, erection, testing, and commissioning up to 132 kV.
Share your specifications and our engineering team will respond with a detailed technical proposal within 48–72 hours.
Truvolt follows a rigorous end-to-end engineering process to ensure every product meets design intent, quality standards, and site requirements.
Share your transformer specifications — rating, voltage class, application, and site conditions. Our engineers assess your requirements in detail.
Our team prepares a detailed technical proposal and design, fully compliant with IS / IEC standards and your project specifications.
In-house manufacturing with stage-wise quality inspections, full material traceability, and controlled processes under our ISO-certified QMS.
Routine and type tests as per IS / IEC, followed by dispatch, site installation, commissioning, and performance validation with after-sales support.
