

Our Products
Transformer solutions built around your project

Series A - Distribution Transformer with Integrated HV and LV Cabinets
Compact oil-immersed distribution transformer designed with integrated HV and LV cabinets positioned at opposite ends of the
transformer section.The integrated arrangement provides a practical and space-efficient solution for underground distribution networks, with convenient
access to HV and LV cabinets for cable termination and LV frame installation.Standard Ratings: 100 kVA, 300 kVA, 500 kVA, 750 kVA, 1,000 kVA, 1,500 kVA, 2,000 kVA
Primary Voltages: 11 kV, 22 kV and 33 kV
Secondary Voltage: 415 V (0.415 kV)
Applications: Residential subdivisions and commercial developments
Series B – Distribution Transformer with Raised HV and LV Cable Boxes
Oil-immersed transformer with raised HV and LV cable boxes for convenient cable entry and termination.
Standard Ratings: 500 kVA, 750 kVA, 1,000 kVA, 1,500 kVA, 2,000 kVA, 2,500 kVA, 3,000 kVA, 3,500 kVA, 4,000 kVA, 4,500 kVA, 5,000 kVA
Primary Voltages: 11 kV, 22 kV and 33 kV
Secondary Voltage: 415 V (0.415 kV)
Applications: Industrial facilities, cold storage and commercial developments
Series C – Distribution Transformer with Front access HV and LV Cabinets
Compact oil-immersed distribution transformer designed with front-access HV and LV cabinets.
Standard Ratings: 100 kVA, 300 kVA, 500 kVA, 750 kVA, 1,000 kVA, 1,500 kVA, 2,000 kVA
Primary Voltages: 11 kV, 22 kV and 33 kV
Secondary Voltage: 415 V (0.415 kV)
Applications: Residential subdivisions and commercial developmentsProduct Features Series A, B and C
Cold-rolled grain-oriented silicon steel core
Low-loss design for high efficiency
Hermetically sealed tank to prevent moisture ingress and oil oxidation
Radiator banks for efficient heat dissipation
C5 corrosion-resistant coating
HV-side tap changer options for voltage adjustment
Pressure relief valve
Oil temperature indicator and/or oil level sight glass
Oil drain valve
Manufactured and factory tested in accordance with applicable IEC 60076 and AS/NZS 60076 requirements
A range of additional optional features and configurations are available to suit specific project requirements.
Please contact us to discuss your requirements.

Pole-Mounted Distribution Transformers
Pole-Mounted Distribution Transformer
A compact oil-immersed distribution transformer designed for installation on utility poles in the overhead distribution networks.
- Standard Ratings: 50 kVA, 100 kVA, 200 kVA, 300 kVA, 500 kVA
- Primary Voltages: 11 kV, 22 kV and 33 kV.
- Secondary Voltage: 415 V (0.415 kV)
Applications: Overhead rural distribution networks
A range of additional optional features and configurations are available to suit specific project requirements. Please contact us to discuss your requirements.
Product Features
Single phase or three phase configurations
Cold-rolled grain-oriented silicon steel core
Low-loss design for high efficiency
Hermetically sealed transformer tank
Lightning arrestor
Fused protection
C5 corrosion-resistant coating
HV-side tap changer options for voltage adjustment
Pressure relief valve
Oil level sight glass
Manufactured and factory tested in accordance with applicable IEC 60076 and AS/NZS 60076 requirements

Cast-Resin Dry-Type Distribution Transformers
Cast Resin Dry-Type Distribution Transformer
Cast resin dry-type distribution transformers are designed to provide a reliable and low-maintenance solution for applications where fire safety is a critical consideration.
- Standard Ratings: 100 kVA, 300 kVA, 500 kVA, 750 kVA, 1000 kVA, 1500 kVA, 2000 kVA
- Primary Voltages: 11 kV, 22 kV and 33 kV
- Secondary Voltage: 415 V (0.415 kV)
Applications: Hospitals, data centres, high rise buildings, commercial developments.
Product Features
Cast resin insulated windings
Oil-free construction
Cold-rolled grain-oriented silicon steel core
Low-loss design for high efficiency
Class F or higher insulation system
Air Natural (AN) cooling and Air Forced (AF) cooling
HV-side tap changer options for voltage adjustment
Winding temperature monitoring and protection
Indoor protective enclosure options
Manufactured and factory tested in accordance with applicable IEC 60076-11 requirements
A range of additional optional features and configurations are available to suit specific project requirements.
Please contact us to discuss your requirements.
High-Efficiency Core Technology
Cast Resin Dry-type and oil-immersed transformers can also be manufactured with amorphous alloy cores as an alternative to conventional silicon steel cores, helping to reduce core losses and improve energy efficiency.

Solar PV and Battery Energy Storage (BESS) Step-Up Transformers
Solar PV & BESS Step-Up Transformers
Solar PV and BESS (Battery Energy Storage System) step-up transformers are designed to step up the low-voltage output from solar PV and battery energy storage systems to the required medium voltage providing a reliable connection between the generation system and the electricity distributors network.
Applications: Solar farms, grid connected generation projects.
A range of transformer ratings, voltage configurations and design options are available to suit specific Solar PV and BESS project requirements. Please contact us to discuss your requirements.

Prefabricated Box-Type Transformer Substations
Prefabricated Box-Type Substations
Prefabricated box-type substations provide a compact and integrated outdoor rated solution incorporating a distribution oil filled or dry type transformer with dedicated space for low-voltage main switchboard.
The box type substations can be configured to suit specific project requirements. Please contact us to discuss your requirements.
© 2026 VRT Power Systems.





