Power range
01Up to 5000 kVA
Continuous rating range
Distribution Transformers
Reliable oil-immersed and dry-type transformers, engineered across a broad range of ratings and voltage classes for demanding distribution applications.
Voltage class
11 kV – 33 kV primary
Rating range
25 – 5000 kVA
Overview
Engineered for reliable power distribution
INDULF manufactures oil-immersed and dry-type distribution transformers up to 5 MVA, with complete manufacturing and in-house testing capabilities supporting core and winding operations, assembly, finishing and quality inspection. Each transformer is engineered to the required voltage class, rating, vector group, impedance, cooling arrangement, tap configuration and other application-specific parameters, enabling us to build against the project specification rather than a standard off-the-shelf configuration.
Our approach combines engineering expertise, manufacturing discipline and technical quality control to deliver transformers suited to utility networks, industrial facilities, commercial developments, infrastructure and renewable energy applications. Each unit is reviewed against the approved technical requirements and subject to defined inspection and routine testing before dispatch, with the required test documentation provided.
With an established manufacturing and supply network, in-house testing capabilities and experience across demanding power applications, INDULF delivers dependable transformer solutions backed by technical transparency, documented performance and responsive project support. Our focus on consistent quality, engineering discipline and reliable delivery has made us a trusted partner for critical electrical infrastructure across India and international markets.
Transformer configurations
Built to match your electrical requirements
From conventional oil-immersed designs to sealed, dry-type and compact installations, INDULF offers configurations matched to the electrical, environmental and installation requirements of each application.
Standard construction
Oil Immersed, Conservator
Conventional oil-filled construction for utility, industrial and outdoor applications.
Low-maintenance design
Hermetically Sealed
Sealed oil-filled construction with no conservator or breather.
Indoor & fire-sensitive
Dry-Type / Cast Resin
Oil-free, air-cooled construction for indoor and fire-sensitive installations.
Compact installations
Pole- & Plinth-Mounted
Pole, plinth and pad-mounted formats for utility, commercial and industrial sites.
Technical capability
A broad technical range of distribution transformers
Voltage class
02Up to 33 kV
As per requirement
Cooling type
03Oil Cooled · Dry Type
Mineral oil or cast-resin dry
Phase
04Three-Phase · Single-Phase
Single or three-phase configurations
Tap changer
05OLTC · OCTC
On-load or off-circuit tap
Winding
06Copper · Aluminium
Conductor material as specified
Why INDULF
From engineering to final testing, we control the process
Every INDULF transformer is built around disciplined engineering, controlled manufacturing and rigorous testing, with quality maintained throughout the process for dependable performance in demanding applications.
- 01
MANUFACTURING DISCIPLINE
Transformers are manufactured through controlled processes covering winding, insulation, assembly, finishing and inspection, with quality monitored throughout production.
- 02
APPLICATION-LED ENGINEERING
Each transformer is engineered around its required rating, voltage class, cooling arrangement, impedance, tap configuration and operating conditions.
- 03
IN-HOUSE TESTING
Transformers undergo defined inspections and routine electrical testing through INDULF's in-house testing capability before final approval and dispatch.
- 04
QUALITY AT EVERY STAGE
Quality is maintained through structured inspection and control across materials, manufacturing, assembly and final testing, supported by complete technical documentation.
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Next step
Request a quote
Your requirement. Our engineering.
Share your required rating, voltage class, mounting arrangement, or application details. INDULF will assess the requirement and recommend the appropriate transformer configuration, with technical clarity on specification, availability and delivery.
- 01Configuration aligned to your required rating, voltage class, mounting arrangement and operating conditions.
- 02Suitable transformer options can be evaluated according to your technical and project requirements.
- 03Required specifications, testing and documentation are reviewed before dispatch for greater confidence at installation.
Manufacturing range
Available specifications & configurations
| Parameter | Available configurations |
|---|---|
| Rated power |
|
| Input voltage (HV) |
|
| Output voltage (LV) |
|
| Frequency |
|
| Phases |
|
| Vector group |
|
| Winding material |
|
| Tap changer |
|
| Cooling |
|
| Construction |
|
| Mounting |
|
| Standards |
|
| Energy efficiency level |
|
| Testing |
|