The Megger PSI700A Phase Sequence Indicator is a lightweight (420 g), rugged tool for determining phase sequence (ABC clockwise, CBA counter-clockwise) and detecting open phases in three-phase systems (90-600 V, 50/60 Hz). Featuring five lamps for instant phase rotation and open phase identification, it uses 40-inch color-coded leads with CAT III 1000 V clips, requiring no batteries or external power.
Housed in a 130 x 91 x 41 mm insulated enclosure, it’s compliant with EN 61010-1 CAT III 600 V for safe field use. The kit includes the PSI700A, canvas carrying case (178 x 95 x 102 mm), three alligator clips, manual, and a one-year warranty, ideal for quick and reliable phase testing in electrical systems.