Low Voltage Main Switchboards

The specialists in LV Main Switchboards
Certified to AS/NZS 61439.1

At GB Electrics we manufacture custom built main switchboards for today’s changing market. With our own sheet metal, powder coating and electrical factories we are able to build high quality type tested switchboards to AS/NZS 61439.1 rated up to 4000A to withstand up to 100kA for 1 second short-time withstand current.

We are able to use all brands of equipment to meet your project specification requirements and our quick lead times will help you keep your project on time.

Key features of our custom built switchboards:

  • Manufactured from Zinc Annealed and 304 or 316 Stainless sheet steel
  • 1.6mm and 2.0mm construction
  • Type Tested up to 100kA for 1s
  • Current ratings up to 4000A
  • IP ratings up to IP66
  • All forms of internal segregation
  • Built for front, rear, back , top or bottom connection
  • Custom designed straight, back to back, L, U or F shaped switchboards
  • Powder coating in a variety of colours or stainless linished finish
  • Built to comply with Australian and supply authority standards
  • Floor and wall mounted options
  • Roofs, and heat shield available
  • Gland Plates available in aluminium, steel, brass type X and PVC


Our main switchboards have been installed throughout Australia in:

  • Shopping centres
  • Multiple domestic developments
  • High-rise apartment buildings
  • Large factories
  • Warehouses and many other places

There’s a reason why GB Electrics are one of Australia’s leading switchboard manufacturers – quality product and quick build times.

Get your free quote today.