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Extech - 480400 Phase r

Q: Will this work on 4/0 wire?

Yes I personally used it on 750MCM which is 5 times the diameter of 4/0. This is a great phase rotation meter.

Q: Does it work on 480-V delta and wye systems?

Yes. It has worked perfectly on all systems and all voltages up to and including 480 for us. Excellent tool and much safer.

Q: Will this work on the output of a VFD?

It should as long as the VFD is running (being commanded to go a direction at 50-60 HZ)

Q: Can this be used on single phase 240 volt service?

Hi, phase sequence is only used to determine the correct phasing of the 3 phase supply. You need not use this device for single phase at all. You only need a volt meter to ensure that the supply is in order in terms of L N E.

4.7/5

Product ID: 298041459

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12 interest-free installments with tabby

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Description

Extech - 480400 Phase r

Have a Question? See What Others Asked

Will this work on 4/0 wire?

Does it work on 480-V delta and wye systems?

Will this work on the output of a VFD?

Can this be used on single phase 240 volt service?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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