Switch onto value shaped by Australia’s electrical engineering leaders.

Under time pressure? Have concerns with hidden costs in design? Or simply want the peace-of-mind that comes from dealing with a local supplier who has one of the world’s most comprehensive continual improvement programs?

We conduct post project reviews for every project. To date, that’s over 2,000, which enhances our knowledge, so your projects are smooth and predictable.

Explore some of our WA projects

Monadelphous BHP-left


Design, manufacture and testing 4 415V IP66 Power Distribution Panels (PDPs), 1 415V IP54 PDP inside a custom in-house fabricated outer kiosk and 2 Generator Connection Boxes.


Our Moducell IP66 switchboard enclosures were perfect for this brownfield site project. With its double skinned modular design, we managed to minimise the footprint for this switchboard replacement project where space constrains where a major consideration.

In many cases, the Mayfield team were ahead of the curve, through utilising inner and outer doors of the IP66 with mechanical interlocking to create several layers security meeting restricted access and isolation requirements. Our in-house sheetmetal fabrication capability also allowed us to customise the Outer Kiosk and Generator Connection Boxes and control delivery timescales to the customer specific needs.

Rio TInto-left


415V Moducell double-sided MCC’s, purpose-built PLC’s, VSD and remote switching panels, outdoor enclosures and transportable switchrooms.


This brownfield project came with inherited challenges for design restrictions and time pressure. It’s clear that Mayfield’s expertise easily accounted for multiple finer details, which all added up to a smooth installation.

The close collaboration between both teams, working side-by-side value engineering from early design through to final installation prevented costly errors, facilitated clear exchange of knowledge and made this project a great success.

Rio TInto-left


Design, manufacture and testing of 5 brownfield substation equipment replacements. This includes 415 MCC’s, PLC’s, Remote Switching, Battery Chargers, UPS systems and DB’s.


The team from Mayfield understood from the outset that we had to achieve a tight program, the first part of which included delivery of 415V MCC and PLC within 12 weeks of award – we are pleased to say we met every single shutdown window deadline.

This 30-year old site was found to require engineering solutions that would ensure the installation of our retrofit equipment would meet current compliance requirements. Bespoke sliding doors for the PLC enclosures, intelligent shipping splits and clear communication across stakeholders streamlined the entire project process and created a great outcome. The client was very pleased with the results of phase 1 and we are now working together on a much larger phase 2.

Discover how collective wisdom delivers additional value.

The value we deliver with switchboards and transportable switchboard rooms has been shaped by rigorous reviews of over 2,000 of our projects delivered in collaboration with customers and external consultants.

They include Australia’s leading electrical engineers, consultants and project managers.

The benefits Mayfield deliver:

Uncover hidden costs
Reduce footprint
Transparent project management
Faster lead times
Fastest issue resolution
Dependable delivery
Accurate forecasts and budgeting

Read what our customers say.

“Due to the evolving nature of the early design phase, Mayfield were able to accommodate this evolution and propose solutions that achieved cost competitiveness and design flexibility.”

Michael Judd Project Manager

IHI Engineering – Yurali Maya Power Station, WA

9 Transportable Switchrooms

Want to read the entire scope?
Download the PDF.

Contact our Business Development Manager WA

Ryan George

M 0432 506 339

D 09 8169 1080



Need more information?
Download our capability profile.