Power Measurement ION 8800 Installation Manual page 18

3-Wire Solid-Grounded Wye, 3-Element, Direct Connection
3-Wire Delta, 2½-Element, Direct Connection
3-Wire Delta, 2-Element 2 PTs & 2 CTs
18
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
500 V L-L max.
VOLTS MODE = Delta
Use PTs for voltages over 500 V L-L.
VOLTS MODE = Delta
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