40 Amp Extension Lead three Phase 4 pin round 240V 10 20 30 Metres
Price range: $383.53 through $466.11 inc GST
Power demanding equipment safely with this Australian Standard compliant 40 Amp three-phase extension lead. Built for construction, industrial, agricultural, and temporary power applications, it delivers reliable performance in harsh environments. Available in 10m, 20m, and 30m lengths with a durable flame-retardant sheath designed for professional trade use.

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Description
Reliable Power Distribution for Industrial and Commercial Applications
The 40 Amp Extension Lead Three Phase 4 Pin Round 240V is designed to provide dependable power delivery in demanding industrial, construction, agricultural, and commercial environments. Manufactured to Australian Standards, this heavy-duty extension lead is engineered to withstand harsh operating conditions while maintaining safe and consistent electrical performance.
Available in 10 metre, 20 metre, and 30 metre lengths, this extension lead offers the flexibility required for temporary power distribution, site installations, equipment connections, and maintenance work. Its robust construction makes it suitable for both indoor and outdoor applications where durability and reliability are essential.
Built for Tough Australian Worksites
Designed for professional trade use, this industrial extension lead performs exceptionally well in dry, damp, wet, oily, and high-stress environments. The flame-retardant black outer sheath provides added protection in areas exposed to fire hazards, while resistance to abrasion, vibration, impact, radiated heat, and chemical contamination ensures long-term durability.
Common applications include generators, compressors, pumps, cranes, hoists, welders, grinders, floor grinders, agricultural equipment, construction machinery, and temporary power installations for events, sporting venues, theatres, and worksites.
Its rugged design makes it particularly suitable for applications where the cable is regularly dragged behind machinery or exposed to demanding site conditions.
Australian Standard Compliance and Trade-Ready Performance
Electrical contractors and maintenance professionals rely on compliant equipment that delivers consistent performance under load. This 40A three-phase extension lead is manufactured to meet Australian requirements and is designed for continuous operation in ambient temperatures up to 40°C.
Whether powering industrial equipment, supporting construction projects, or providing temporary site power, this extension lead offers the durability, flexibility, and reliability required by Australian tradespeople. Backed by iSupply Electrical’s extensive product range and trade-focused service, it is a dependable solution for professional electrical installations and industrial power applications.
Key Specs
Electrical Specifications
- Current Rating: 40 Amp
- Voltage: 240V
- Configuration: Three Phase
- Pin Type: 4 Pin Round
- Standard: Australian Standard Compliant
Available Lengths
- 10 Metres
- 20 Metres
- 30 Metres
Environmental Performance
- Suitable for dry, damp, wet, and oily environments
- Flame-retardant outer sheath
- Resistant to abrasion and impact
- Resistant to vibration and chemical contamination
- Maximum ambient operating temperature: 40°C
Ideal For
- Licensed electricians
- Electrical contractors
- Construction sites
- Industrial facilities
- Maintenance teams
- Agricultural operations
- Generator connections
- Compressors and pumps
- Welders and grinders
- Cranes and hoists
- Temporary power installations
- Events, theatres, and sporting venues










