3-Phase Testers Support

Testing 3-phase equipment requires a unique approach and specialised tools.

Whether you're using a dedicated 3-phase PAT tester or adapting your single-phase unit to handle more complex systems, the resources below will help you stay compliant, safe, and efficient.

Downloads

3-Phase App Ext RCD Guide
PAC-3P User Manual
PAC-3P Specification Sheet
PAC TPL Leakage Adaptor Manual Rev 2
TPL 3-Phase Leakage Current Meter Guide
Metrel 3-Phase Clamp Meter Guide

What Are 3-Phase PAT Testers Used For?

3-phase PAT testing is typically required in industrial and construction environments where equipment like welders, motors, and large machinery operate on 3-phase power (usually 400V). Standard single-phase PAT testers cannot safely or effectively perform these tests without the appropriate adaptors and procedures in place.

When and Why You Need 3-Phase Testing

According to AS/NZS 3760, any electrical appliance that plugs into a 3-phase outlet (e.g., 20A, 32A, or 63A) must be tested before first use and at regular intervals.

The tests depend on the workplace risk environment and include:

  • Factories and workshops
  • Construction and demolition sites
  • Commercial kitchens
  • Plant and heavy equipment services

Failing to test 3-phase equipment correctly can pose serious safety risks.

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3-Phase Testers - Support FAQs

Can I test 3-phase equipment with a single-phase PAT tester?

Yes, but only with the correct adaptors and accessories, such as leakage current meters and RCD test adaptors. Not all single-phase testers support this functionality, so always check the manufacturer's specifications.

What adaptors do I need to test 3-phase appliances?

Depending on your tester, you'll typically need a 3-phase leakage adaptor or clamp meter (e.g., TPL or PAC-TPL). These devices measure leakage current without requiring complete isolation of the load.

Do I need to record test results for 3-phase appliances?

Yes. Like single-phase tests, results for 3-phase tests must be documented and stored. Many testers support test data export or printouts for compliance purposes.

Can I test PRCDs (Portable RCDs) on 3-phase equipment?

Yes, but it depends on your tester and the configuration of the equipment. Use the 3-Phase App Ext RCD Guide for proper instructions and safety protocols.

Need Further Help?

Call us on 1300 656 938

Email: sales@appliancetestingsupplies.com.au

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