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Single Phase Transformers

Enquire About Power Transformer Solutions

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Australian-Made. Built to Last

All Southern Transformers products are locally designed and manufactured for long service life, with full compliance to Australian Standards.

Custom-Built for Industrial Demands

From commercial industries to major sectors, we tailor each transformer to meet the real-world needs of your application – no limitations.

Delivered to Your Schedule without Compromise

We understand project timelines matter – Southern Transformers delivers transformers to meet your schedule, fast or slow, without cutting corners.

5-year Warranty, 25+ year design life

Every transformer is designed and built to operate continuously at rated power for 25+ years, backed by an industry-leading standard 5-year warranty.

Single Phase Transformers

Single Phase Isolation Transformers

Ranging from 100VA to 600kVA, our single-phase isolation transformers are built to your specific needs, making them suitable for a huge range of applications and industries.

Power:: 100 VA - 600 kVA
Voltage:: up to 3.3 kV input/output
Insulation/Thermal Class:: Class F (150 °CI) / Class H (180 °C)

Split Phase Transformers

Ensure reliable voltage conversion and consistent power distribution. Widely utilised in Stand-alone Power Systems (SPS) and other Renewable/off-grid applications

Power:: 10 kVA - 500 kVA
Voltage:: up to 3.3 kV input/output
Insulation/Thermal Class:: isolation or auto-transformer

Single Phase Custom Transformer Solutions

The team at SES can work with you to desian & construct the perfect solution for your unique transformer requirements.

Power:: 100 VA - 600 kVA
Voltage:: up to 3.3 kV input/output
Insulation/Thermal Class:: Class F (150 °C) / Class H (180 °C)

Transformer Solutions Made Simple

Provide your project details and we’ll respond promptly with expert guidance tailored to your needs.

(03) 9706 4202

We combine industry expertise with direct technical support, because we don’t take the trust you place in us lightly

Every transformer we build supports critical infrastructure — from mining operations, to data centres and industrial facilities.

We appreciate the pressure around compliance, lead times, and performance, and understand that transformer specifications are somewhat foreign to many.

That’s why we work closely with you from first enquiry through to delivery, ensuring the right design, the right specification, and long-term reliability.