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.

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.

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)

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.

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Description

⚡ Master your power flow with precision and ease!

SMART PHASE DETECTION - LED and audible signals instantly identify phase rotation direction and live phases, eliminating guesswork.
HANDS FREE CONVENIENCE - Built-in rear magnet securely attaches to AC panels, freeing your hands for safer, more efficient testing.
PRECISION VOLTAGE RANGE - Accurately tests voltages from 75 to 1000VAC, covering all your industrial and commercial needs.
ADAPTIVE BRIGHTNESS CONTROL - Adjustable Hi/Lo LED brightness lets you work confidently in any lighting condition, from dim basements to bright outdoor sites.
ALLIGATOR CLIPS WITH WIDE JAWS - Fully insulated, color-coded clips ensure secure, safe connections on a variety of cable sizes.

The Extech PRT200 Phase Rotating Tester is a robust, battery-powered tool designed for professionals needing reliable phase rotation and voltage testing up to 1000VAC. Featuring LED and audible indicators for phase direction, fully insulated wide-jaw alligator clips, and a magnetic rear cover for hands-free operation, it ensures safe, efficient diagnostics in diverse environments. Its adjustable LED brightness and included accessories make it an indispensable asset for electrical troubleshooting and maintenance.

Specifications

Manufacturer	FLIR Systems
Part number	PRT200
Item Weight	454 g
Product Dimensions	11.94 x 6.86 x 3.81 cm; 453.59 g
Batteries	1 AA batteries required. (included)
Is Discontinued By Manufacturer	No
Size	Phase Rotation Tester
Color	multicolor
Style	PRT200
Pattern	Tester
Power source type	Battery Powered
Number Of Pieces	1
Specification met	Cat Iv 600ボルト、Ce
Included Components	PRT200
Batteries Included	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Item Dimensions LxWxH	11.9 x 6.9 x 3.8 cm

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