Schneider Electric ION8800 Manuel d'utilisateur télécharger pdf (Page 18)

3-Wire Solid-Grounded Wye, 3-Element, Direct Connection

When the common or star point of a 3-wire Wye system is grounded,

the meter may be connected directly without using PTs, provided that the

phase voltages are within the meter’s range.

VOLTS MODE = 4W-Wye

3-Wire Delta, 2½-Element, Direct Connection

500 V L-L max.

VOLTS MODE = Delta

3-Wire Delta, 2-Element 2 PTs & 2 CTs

Use PTs for voltages over 500 V L-L.

VOLTS MODE = Delta

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Schneider Electric ION8800 Manuel d'utilisateur Page 18