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4 Pin Three Phase Extension Leads

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  • 32 Amp 4 Pin Round Three Phase 415V, 4mm² Extension Lead
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    32 Amp 4 Pin Round Three Phase 415V, 4mm² Extension Lead

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    Regular price From $159.00
    $144.55 + GST
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  • 20 Amp 4 Pin Round Three Phase 415V, 2.5mm² Extension Lead

    20 Amp 4 Pin Round Three Phase 415V, 2.5mm² Extension Lead

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    Regular price From $134.00
    $121.82 + GST
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  • 32 Amp 4 Pin Round Three Phase 415V, 6mm² Extension Lead
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    32 Amp 4 Pin Round Three Phase 415V, 6mm² Extension Lead

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    Regular price From $179.00
    $162.73 + GST
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  • 20 Amp 4 Pin Round Three Phase 415V, 4mm² Extension Lead
    New

    20 Amp 4 Pin Round Three Phase 415V, 4mm² Extension Lead

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    Regular price From $144.00
    $130.91 + GST
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  • 10 Amp 4 Pin Round Three Phase 415V, 1.5mm² Extension Lead

    10 Amp 4 Pin Round Three Phase 415V, 1.5mm² Extension Lead

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    Regular price From $134.00
    $121.82 + GST
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  • 10 Amp 4 Pin Round Three Phase 415V, 2.5mm² Extension Lead

    10 Amp 4 Pin Round Three Phase 415V, 2.5mm² Extension Lead

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    Regular price From $124.00
    $112.73 + GST
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  • 20 Amp 4 Pin Round Three Phase 415V, 6mm² Extension Lead

    20 Amp 4 Pin Round Three Phase 415V, 6mm² Extension Lead

    In Stock

    Regular price From $159.00
    $144.55 + GST
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  • 40 Amp 4 Pin Round Three Phase 415V, 6mm² Extension Lead

    40 Amp 4 Pin Round Three Phase 415V, 6mm² Extension Lead

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    Regular price From $194.00
    $176.36 + GST
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  • 10 Amp 4 Pin Round Three Phase 415V, 4mm² Extension Lead

    10 Amp 4 Pin Round Three Phase 415V, 4mm² Extension Lead

    In Stock

    Regular price From $139.00
    $126.36 + GST
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  • 32 Amp 4 Pin Round Three Phase 415V, 10mm² Extension Lead

    32 Amp 4 Pin Round Three Phase 415V, 10mm² Extension Lead

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    Regular price From $199.00
    $180.91 + GST
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  • 50 Amp 4 Pin Round Three Phase 415V, 10mm² Extension Lead

    50 Amp 4 Pin Round Three Phase 415V, 10mm² Extension Lead

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    Regular price From $209.00
    $190.00 + GST
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  • 40 Amp 4 Pin Round Three Phase 415V, 10mm² Extension Lead

    40 Amp 4 Pin Round Three Phase 415V, 10mm² Extension Lead

    In Stock

    Regular price From $199.00
    $180.91 + GST
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  • 20 Amp 15m Extension Lead, 3 Phase, 4 pin, 415V 20A 15mt Cable 3ph

    In Stock

    Regular price $219.00
    $199.09 + GST
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  • Sale

    20 Amp 20m Extension Lead, 3 Phase, 4 pin, 415V 20A 20mt Cable 3ph

    In Stock

    Regular price $305.00
    $277.27 + GST

    $339.00

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  • 20 Amp 25m Extension Lead, 3 Phase, 4 pin, 415V 20A 25mt Cable 3ph

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    Regular price $325.00
    $295.45 + GST
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  • 20 Amp 30m Extension Lead, 3 Phase, 4 pin, 415V 20A 30mt Cable 3ph

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    Regular price $350.00
    $318.18 + GST
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  • 32 Amp 30m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 30mt Cable 3Ph

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    Regular price $432.00
    $392.73 + GST
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  • 32 Amp 25m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 25mt Cable 3Ph

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    Regular price $373.50
    $339.55 + GST
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  • 10 Amp 15m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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    Regular price $180.00
    $163.64 + GST
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  • 10 Amp 10m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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    Regular price $162.00
    $147.27 + GST
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  • 10 Amp 7m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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    Regular price $148.00
    $134.55 + GST
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  • 10 Amp 5m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

    In Stock

    Regular price $131.00
    $119.09 + GST
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  • 32 Amp 20m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 20mt Cable 3Ph

    In Stock

    Regular price $354.20
    $322.00 + GST
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  • 32 Amp 15m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 15mt Cable 3ph

    In Stock

    Regular price $295.00
    $268.18 + GST
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  • 32 Amp 10m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 10mt Cable 3Ph

    In Stock

    Regular price $219.00
    $199.09 + GST
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  • 20 Amp 50m Extension Lead, 3 Phase, 4 pin, 415V 20A 50mt Cable 3ph

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    Regular price $490.00
    $445.45 + GST
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  • 20 Amp 45m Extension Lead, 3 Phase, 4 pin, 415V 20A 45mt Cable 3ph

    In Stock

    Regular price $490.00
    $445.45 + GST
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  • New

    20 Amp 40m Extension Lead, 3 Phase, 4 pin, 415V 20A 40mt Cable 3ph

    In Stock

    Regular price $454.00
    $412.73 + GST
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  • 20 Amp 35m Extension Lead, 3 Phase, 4 pin, 415V 20A 35mt Cable 3ph

    In Stock

    Regular price $385.00
    $350.00 + GST
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  • 32 Amp 50m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 50mt Cable 3Ph

    In Stock

    Regular price $650.00
    $590.91 + GST
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  • 32 Amp 45m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 45mt Cable 3Ph

    In Stock

    Regular price $590.00
    $536.36 + GST
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  • 20 Amp 2m Extension Lead, 3 Phase, 4 pin, 415V 20A 2mt Cable 3ph

    In Stock

    Regular price $129.00
    $117.27 + GST
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  • Popular

    20 Amp 5m Extension Lead, 3 Phase, 4 pin, 415V 20A 5mt Cable 3ph

    In Stock

    Regular price $142.00
    $129.09 + GST
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  • 20 Amp 7m Extension Lead, 3 Phase, 4 pin, 415V 20A 7mt Cable 3ph

    In Stock

    Regular price $155.00
    $140.91 + GST
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  • 32 Amp 2m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 2mt Cable 3Ph

    In Stock

    Regular price $171.00
    $155.45 + GST
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  • 32 Amp 5m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 5mt Cable 3Ph

    In Stock

    Regular price $189.00
    $171.82 + GST
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4 Pin Three Phase Extension Leads FAQs

A 4-pin three-phase extension lead isprimarily used to supply power to industrial and commercial equipment thatoperates on three active phases with an earth connection, but does not requirea neutral conductor. These leads are commonly utilised for heavy-duty machinerysuch as electric motors, welders, pumps, refrigerated shipping containers(reefers), and temporary power distribution systems. Their configuration makesthem particularly well-suited to balanced three-phase loads found in industrialand site-based applications.

Yes. Extension leads are available in standardlengths ranging from 1 metres through to 60 metres, and custom-built optionscan be manufactured to meet specific site or project requirements. Customerscan select from standard, heavy-duty, or extra heavy-duty rubber cable types,allowing for enhanced durability, flexibility, and abrasion resistance inparticularly harsh or high-traffic environments.

The key distinction lies in the presence of aneutral conductor. A 4-pin lead consists of three active phases and an earth,whereas a 5-pin lead includes an additional neutral wire. Equipment that doesnot rely on a neutral—such as many motors and industrial machines—can operateefficiently on a 4-pin supply. As a result, 4-pin leads are frequentlypreferred in heavy industrial environments where neutral power is unnecessaryand system simplicity is advantageous.

Our standard and heavy-duty 4-pin three-phaseextension leads are fitted with industrial-grade plugs and sockets rated atIP66 or IP67. These ratings provide a high level of protection against dustingress and water exposure, making the leads well-suited to outdoor use, wetenvironments, and demanding industrial conditions where environmentalresilience is essential.

Yes. Resource Electrical stocks andmanufactures 4-pin three-phase CEE Form (IEC 60309) extension leads, commonlyreferred to as “Reefer” leads. These are typically supplied in 32-ampconfigurations and are widely used with refrigerated containers, eventinfrastructure, and equipment designed to international electrical standards.

Yes. All three-phase extension leads arerigorously tested and tagged in accordance with Australian electrical safetyrequirements, including AS/NZS 3760 for in-service inspection and testing. Eachlead is assembled by licensed electricians using high-quality components thatmeet relevant IEC and AS/NZS standards. This ensures compliance, reliability,and safe operation across industrial, commercial, and site-specificapplications.

Three-phase power is not commonly utilised instandard caravan or RV systems. However, in commercial or specialisedevent-based setups where industrial appliances are involved, a 4-pinthree-phase extension lead may be appropriate. For any such application,consultation with a licensed electrician is essential to confirm systemcompatibility and ensure safe, compliant installation.

Yes. With options for extra heavy-duty rubbercabling and high current ratings, these extension leads are designed to performreliably in harsh environments such as mine sites, construction projects,mobile workshops, and industrial facilities. Their robust construction ensuresthey can withstand mechanical stress, environmental exposure, and frequenthandling where dependable portable three-phase power is critical.

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