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Can an ION7650 be used to monitor a Corner Grounded Delta system?

Published date: 29 June 2020

Issue:
A user would like to know if it is possible to monitor a Corner Grounded Delta system using and ION7650 meter.

Product Line:
ION7650

Environment
Wiring and installation. 

Cause:
Documentation is not available regarding connecting an ION7650 meter to a corner grounded delta system.

Resolution:
A corner grounded delta system can be direct connected as a Delta system to the ION7650 Meter. PTs are not required below 600Vll.

Hardware suggests making line B the grounded corner to better match the "3-Wire Delta, 2½-Element, Direct Connection" wiring diagram in page 14 of the installation guide (V2=Vref) at the following link:

https://www.se.com/us/en/download/document/70002-0247-14/

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