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Electrotraders' range of 4 Pin Three Phase Extension Leads

Whether you're powering industrial equipment, running heavy-duty appliances on a job site, or setting up for events and portable workspaces, Electrotraders' 4 pin three phase extension leads deliver the reliability you need.

Designed for tough Australian conditions, our leads feature robust IP-rated plugs and sockets, available in 10A, 20A, 32A, 40A and 50A variants. Each lead is hand-assembled by a licensed electrician using locally sourced components and flexible rubber cable—standard, heavy duty or extra heavy duty depending on your requirement.

Choose from round pin or CEE form (IEC 60309) styles to suit your specific equipment, with lengths up to 60 metres for maximum reach and performance. All leads are tested, tagged, and compliant with relevant Australian standards to keep your operation safe and powered.

Frequently Asked Questions (FAQs)

What is a 4 pin three phase extension lead used for?

A 4 pin three phase extension lead is typically used to power industrial three phase equipment that requires three active phases and an earth but does not require a neutral wire. Common applications include commercial machinery, welders, motors, reefer containers, and temporary power distribution.

What's the difference between a 4 pin and 5 pin three phase extension lead?

A 4 pin lead has three active phases and an earth, while a 5 pin lead adds a neutral conductor. The choice depends on whether your equipment requires a neutral. For balanced three phase loads without neutral, a 4 pin lead is sufficient and more commonly used in heavy-duty industrial settings.

Are these extension leads compliant with Australian electrical standards?

Yes. All our three phase extension leads are tested and tagged in accordance with Australian electrical safety standards (such as AS/NZS 3760 for in-service safety inspection and testing). We use quality components rated to appropriate IEC and AS/NZS specifications, and all assemblies are completed by licensed electricians.

What is the IP rating of your plugs and sockets?

Our standard and heavy duty 4 pin extension leads feature industrial-grade IP66 or IP67 rated plugs and sockets, ensuring excellent protection against dust and water ingress. This makes them suitable for outdoor, wet area and industrial use.

Can I customise the length and type of cable?

Absolutely. You can choose from a range of pre-configured lengths from 5 to 60 metres, or request a custom build to suit your specific site requirements. We offer standard, heavy duty and extra heavy duty rubber cables for enhanced durability in demanding environments.

Do you stock CEE Form (IEC 60309) extension leads?

Yes, we stock and manufacture 4 pin three phase CEE Form (also known as IEC 60309 or “Reefer”) extension leads in 32 Amp configurations, ideal for shipping containers, events and international-standard equipment.

Can I use a 4 pin extension lead in my caravan or RV setup?

Three phase power is not typically used in caravans or RVs, but 4 pin extension leads may be suitable for commercial setups or events where industrial appliances are in use. For RV applications, always consult a licensed electrician and ensure compatibility with your inlet/outlet systems.

Are your leads suitable for use on mine sites or construction projects?

Yes. Our extra heavy duty rubber cable options and high-current ratings make these leads ideal for mine sites, construction environments, mobile workshops, and anywhere portable three phase power is needed under harsh conditions.

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