Distribution Transformers

Oil-Cooled Distribution Transformers for Industrial & Utility Applications

Engineered for reliability and efficiency, Voltaire Distribution Transformers deliver stable, low-loss performance for industrial plants, utilities, commercial complexes, and critical infrastructure requiring long service life and consistent output.

BIS-Certified11kV / 22kV / 33kV ClassOil-Cooled
Distribution Transformer

Voltaire Oil-Cooled Distribution Transformer

Built for Demanding Environments

Transformer Features & Design Standards

Voltaire distribution transformers are engineered to BIS standards for industrial substations, utility networks, and commercial complexes requiring continuous, low-loss step-down power delivery over long service lives.

BIS-compliant design for industrial & utility networks

CRGO core with low losses for maximum efficiency

Hermetically sealed or conservator-type construction

ONAN / ONAF cooling for high thermal performance

High-temperature Class F/H insulation

Low noise & vibration for sensitive installations

Standard Configurations

Ratings & Specifications

Standard configurations for most industrial and utility projects. Custom voltage classes, cooling methods, and tap configurations are available.

Voltage Class11kV / 22kV / 33kV
Power Rating100 kVA to 2500 kVA
CoolingONAN / ONAF
ConstructionHermetically Sealed / Conservator Type
TapsCustom HV/LV taps available

Where We Deploy

Industries & Applications

FactoriesIndustrial SubstationsCommercial BuildingsInfrastructure ProjectsGovernment Utilities

The Business Case for Quality

Why Low-Loss Transformers Pay for Themselves

A high-efficiency transformer is not a cost — it is a long-term investment. The difference between standard and low-loss transformers compounds into significant energy savings over a 20-year operational lifespan.

Reduced electricity costs

Lower no-load and full-load losses translate directly into lower monthly energy bills, every month for the life of the transformer.

Less heat, longer equipment life

Better efficiency means less heat generation inside the transformer — directly reducing insulation stress and extending service life.

Lower stress on upstream equipment

Reduced loss current means less thermal stress on switchgear, cables, and busbars — fewer faults and lower maintenance costs downstream.

Higher uptime reliability

Low-loss CRGO cores run cooler, reducing thermal cycling and the likelihood of insulation breakdown in continuous-duty installations.

Compliance with energy norms

BIS-compliant designs meet mandatory energy efficiency requirements for industrial and utility transformer installations in India.

Request a Quote — Factory Direct

Get a transformer sized and priced for your project.

Share your kVA requirement, voltage class (11kV / 22kV / 33kV), cooling preference, and tap configuration. Our engineering team will respond within 24 hours with a detailed technical proposal and competitive quote.

Request a Quote →