IL17574C
Page 3-12
Effective Date: 2/04
IQ 300
Page 3-12
Effective Date: 2/04
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www.cutler-hammer.eaton.com
H1A H1B H1C
LINE
L3
L2
L1
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 320/IQ 330
LOAD
3 Phase 4 Wire (Up to 600Volts)
IQ 320/IQ 330 (Line-Powered)
FUSE
N
Control Power
IQ 320/IQ 330
90-600VAC
48-250VDC
Case Ground
Must be
connected for
proper operation
Proper CT polarity is critical to the proper operation of the meter
Figure 3.14 Typical IQ 320/IQ 330 Line-Powered Configuration (Up
to 600 Volts)
H1A H1B H1C
LINE
L3
L2
L1
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 310
LOAD
3 Phase 4 W ire (Up to 240Volts)
IQ 310 (Line-Powered)
FUSE
N
Control Power
IQ 310
110-240VAC
125-250VDC
Case Ground
Must be
connected for
proper operation
Proper CT polarity is critical to the proper operation of the meter
Figure 3.13 Typical IQ 310 Line-Powered Configuration (Up to 240
Volts)