Electro-Voice 1252 - Manual (Page 49)

Electro Industries/GaugeTech Doc # E107706 V1.25 4-3
Q Do not ground the unit through the negative of the DC supply. Separate grounding is required.
Q Externally fuse the power supply with a 5 Amp fuse.
4.8: Wiring Diagrams
Q Choose the diagram that best suits your application. Diagrams appear on the following pages. If the
connection diagram you need is not shown, contact EIG for a custom Connection diagram.
Q NOTE: If you purchased a “G” Option Nexus for a 300 Volt secondary, be sure to enable the
option on the CT and PT screen of the Communicator EXT software’s Device Profile (see the
Communicator EXT User Manual for details).
Control Power Option Suffix
18-60 Volts DC D
90-276 Volts AC/DC D2
Figure # Description
4.1 4-Wire Wye, 3-Element Direct Voltage with 4 CTs
4.2 4-Wire Wye, 3-Element with 3 PTs and 4 CTs
4.3 4-Wire Wye, 3-Element with 3 PTs and 3 CTs
4.4 3-Wire, 2-Element Open Delta with 2 PTs and 3 CTs
4.5 3-Wire, 2-Element Open Delta with 2 PTs and 2 CTs
4.6 3-Wire, 2-Element Delta Direct Voltage with 3 CTs
4.7 3-Phase, 4-Wire Wye, 2.5 Element with 2 PTs and 3 CTs
4.8 4-Wire, 3-Element Grounded Delta with 4 CTs - G Option