Page 18
TD 17558
Effective 3/98
H1A H1B H1C
LINE
L3
L2
L1
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 200
LOAD
3 Phase 3 Wire (Up to 600Volts)
using only 2CTs,
Line 2 will be in error by the amount of ground current.
Case Ground
Control Power
FUSE
(90-600VAC)
(48-250VDC)
Figure 3.7 3 Phase 3 Wire, 2 CT Configuration (Up to 600 Volts)
H1A H1B H1C
LINE
L3
L2
L1
Control Power
PS1 PS2
VA VB VC NEU
H2A H2B H2C
IQ 200
LOAD
3 Phase 3 Wire (Above 600Volts)
using only 2CTs,
Line 2 will be in error by the amount of ground current.
Open Delta
PT
Connection
Case Ground
FUSE
FUSE
(90-600VAC)
(48-250VDC)
Figure: 3.8 3 Phase 3 Wire, 2CT Configuration (Above 600 Volts)
Summary of Contents for IQ 200
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