Experts in Transformers
Commercial & Industrial Transformers Built for Performance
Chosen by the Australian Department of Defence for Mission-Critical Applications
Power Ahead with an
Australian-Made Transformer
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 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.
Customer-First Support, End to End
Whether you need pre-sales advice or post-installation support, our team is responsive, knowledgeable, and ready & keen to help.
Australian-Made. Built to Last
All Southern transformers are locally designed and manufactured for long service life, with full compliance to Australian Standards.
Experts in 3-Phase LV Solutions
We specialise in 3-phase isolation and step-down / step-up autotransformers, built for reliability in demanding industrial environments.
Data Center Transformers
Data centres demand stable, uninterrupted power to keep mission-critical systems online.
SES engineers high-performance, COLO-ready transformers that deliver clean, isolated, consistent power under heavy loads – reducing faults and lowering long-term energy and maintenance costs. Our integrated designs support flexible load distribution, helping you future-proof your infrastructure without compromising reliability. Whether you need a ready-made unit or a fully custom solution, we tailor every transformer to your exact sizing, capacity, and operational requirements.
Explore our data centre transformers and request a tailored quote today.
See Why We are the Best
Testimonials
What Clients Say About Us
Transformer Solutions Made Simple
Provide your project details and we’ll respond promptly with expert guidance tailored to your needs.
Southern Electronic Services (SES) is an Australian manufacturer specialising in transformer solutions
Enjoy the convenience of quick response time, fast turn-around, and speedy international distribution. Waiting on a custom transformer from other countries can take months, costing you time and money. SES maintains high stock levels of materials to enable the fast supply of custom power transformers and components.
All of our products are manufactured in our Melbourne-based factory, giving you peace of mind that you will be receiving the best Australian-made quality and customer service.