ABB RGM40 meter Краткое руководство по эксплуатации - Страница 3

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ABB RGM40 meter Краткое руководство по эксплуатации
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Electrical installation

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02 Wye/Delta*, 4-wire, no PTs, 3 CTs
—
03 Wye/Delta*, 4-wire, 3 PTs, 3 CTs
—
04 Delta*, 3-wire, no PTs, 2 CTs
—
05 Delta*, 3-wire, 2 PTs, 2 CTs
CT shorting block
Line
EI# SB-6TC
*Refer to shorting block
V3
V2
V1
N
instructions to apply
shorts
I3-HI
*
I3-LO
I2-HI
*
I2-LO
I1-HI
*
I1-LO
Earth ground
N
V1
V2
V3
*
Fuses
Load
—
02
Line
CT Shorting block
EI# SB-6TC
*Refer to shorting block
V3
V2
V1
instructions to apply
shorts
*
*
*
*
Earth ground
V1
V2
V3
*
Fuses
Load
—
04
E L E C T R I C A L I N S TA L L AT I O N
Select diagram for your
application; see user manual
for additional diagrams.
3
3
N
1
N
2
2
IA
IA
IB
IB
IC
IC
LO HI
LO HI
LO HI
L
N
V
VA
VB
GND
(+)
(-)
REF
Refer to meter
specifications
for power supply
Fuse
Earth ground
rating.
3 A
Line
Neutral
3
3
N
2
1
2
No connection to meter
I3-HI
I1-HI
I2-HI
IA
IA
IB
IB
IC
IC
LO HI
LO HI
LO HI
L
N
V
VA
VB
GND
(+)
(-)
REF
Refer to meter
specifications
for power supply
Fuse
Earth ground
rating.
3 A
Line
Neutral
Line
V3
V2
V1
1
Load
VC
Line
1
V3
V2
V1
Load
VC
IMPORTANT!
For Delta connections, do not exceed 480 V
ungrounded or 240 V corner grounded.
3
CT shorting block
EI# SB-6TC
*Refer to shorting block
instructions to apply
N
shorts
2
I3-HI
*
I3-LO
I2-HI
*
I2-LO
I1-HI
*
I1-LO
Earth ground
V1
V2
V3
N
*
Fuses
Earth ground
Refer to meter
specifications
for power supply
rating.
—
03
CT shorting block
EI# SB-6TC
*refer to shorting block
2
instructions to apply
shorts
I3-HI
*
*
*
*
I1-HI
*
I2-HI
Earth ground
V1
V2
V3
*
Fuses
Earth ground
Refer to meter
specifications
for power supply
rating.
—
05
3
3
1
2
1
IA
IA
IB
IB
IC
IC
LO HI
LO HI
LO HI
L
N
V
VA
VB
VC
GND
(+)
(-)
REF
Fuse
Earth ground
3 A
Line
Neutral
3
3
N
1
2
1
No connection to meter
IA
IA
IB
IB
IC
IC
LO HI
LO HI
LO HI
L
N
V
VA
VB
VC
GND
(+)
(-)
REF
Fuse
Earth ground
3 A
Line
Neutral