Schneider Electric ION8800 User Manual

© 2007 Schneider Electric.  All rights reserved.

 19

3-Wire Delta, 2½-Element, 2 PTs & 3 CTs

Use PTs for voltages over 500 V L-L
VOLTS MODE = Delta

Single Phase Connection Diagram

 

288 V L-N / 500 V L-L max. Use PTs for higher voltages.
VOLTS MODE = Single

Using Potential Transformers

LINE

LOAD

LINE

LOA

D

PF = 0.9 (25°) Lag

System Mode

Voltage Range

Requires PTs

Wye/
Single Phase

up to 288 V L-N or 500 V L-L

no

over 288 V L-N or 500 V L-L

yes

Delta

up to 500 V L-L

no

over 500 V L-L

yes