4 Montore Rd (PO Box 5230), Minto NSW 2566, Australia
sales@circlec.com.au
4 Montore Rd (PO Box 5230), Minto NSW 2566, Australia
sales@circlec.com.au
We manufacture electrical equipment for low and high voltage applications to your requirements. Circle C Transformers designs exceed Australian Mining standards and are used extensively by the mining industry. We source only the best raw materials internationally; our modern manufacturing facility and quality standards, coupled with outstanding engineering design, produce the highest quality transformers. Our products are designed to operate in the harshest environments. High grade electrical steel is used ensuring low iron losses and all windings are manufactured from high conductivity PEI2 insulated circular or rectangular copper conductors.
Our Transformers are manufactured using materials for Class A (105°c), Class B (130°c), Class F (155°c) or Class H (180°c) applications. All designs ensure low losses and high efficiency.
Circle C Transformers is certified to AS/NZS ISO 9001 Quality Management System; AS/NZS ISO 14001 Environmental Management System; AS/NZS ISO 45001 Occupational Health & Safety Certification.
Founded in the early 1970s, Circle C started as a small engineering unit producing custom transformers for local industries. Over the decades, we expanded our capabilities, investing in modern equipment, testing facilities, and R&D to meet evolving industrial standards and customer requirements.
Today, our legacy is built on engineering craftsmanship, technical integrity, and Australian manufacturing pride. We continue to grow while staying true to our founding principles — quality, safety, and innovation.
At Circle C Transformers, our mission is to deliver safe, reliable, and efficient electrical solutions that power industries and communities across Australia. We strive to combine technical expertise, innovation, and precision engineering to manufacture transformers that exceed customer expectations and perform flawlessly in every environment.
Our vision is to be Australia’s most trusted and innovative transformer manufacturer, setting new standards in quality, performance, and sustainability. We aim to drive the future of power distribution through continuous improvement, cutting-edge technology, and a steadfast commitment to customer success.
Our values guide every decision we make and every transformer we build. We believe in integrity, quality, innovation, and accountability. We take pride in our Australian craftsmanship, foster lasting relationships with our clients, and uphold a culture of excellence that ensures reliability, safety, and long-term value in everything we deliver.
Circle C Transformers is a proudly Australian-owned manufacturer specializing in the design, engineering, and production of high-performance transformers and electrical equipment. With a legacy spanning over five decades, we have built a reputation for precision, reliability, and innovation across Australia’s most demanding industries.
From humble beginnings in the 1970s, we have grown into a trusted partner for power utilities, mining, manufacturing, rail, and renewable energy sectors, delivering solutions that ensure safe and efficient power distribution. Our expertise covers a wide spectrum of transformer technologies — from low and medium voltage units to custom-engineered, application-specific designs.
At the heart of Circle C is a team of skilled engineers, technicians, and industry experts dedicated to maintaining the highest standards of craftsmanship and quality. We take pride in manufacturing products that comply with AS/NZS and IEC standards, ensuring long-term performance and complete customer confidence.
Driven by innovation and guided by integrity, Circle C Transformers continues to power Australia’s progress — one transformer at a time.
