User`s guide

V3-T9-98 Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com
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9.3
Metering Devices, Protective Relays, Software and Connectivity
Metering Devices
Wiring Diagrams
Typical Field Wiring Connections
H1A H1B H1C
Line
L3
L2
L1
Control Power
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 230
Load
Open
Delta
PT
Connec-
tion
Case
Ground
must be
connected
for proper
operation
Fuse
Fuse
IQ 230
90–600 Vac
48–250 Vdc
H1A H1B H1C
N
L3
L2
L1
Control Power
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 230
Load
Case
Ground
must be
connected
for proper
operation
Fuse
Line
IQ 230
90–600 Vac
48–250 Vdc
H1A H1B H1C
N
L3
L2
L1
Control Power
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 230
Load
Case
Ground
must be
connected
for proper
operation
Fuse
Line
IQ 230
90–600 Vac
48–250 Vdc
WYE
Connection
Three-Phase Three-Wire (up to 600 Volts)
Proper CT polarity is critical to the proper operation of the meter
Three-Phase Three-Wire (above 600 Volts)
Proper CT polarity is critical to the proper operation of the meter
Three-Phase Four-Wire (up to 600 Volts)
(Line Powered) Proper CT polarity is critical to the proper operation of the meter
Three-Phase Four-Wire (above 600 Volts)
Proper CT polarity is critical to the proper operation of the meter
H1A H1B H1C
L3
L2
L1
Control Power
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 230
Load
Case
Ground
must be
connected
for proper
operation
Fuse
Line
IQ 230
90–600 Vac
48–250 Vdc