Yokogawa PR300 Power and Energy Meter - Manual (Page 14)

1-7 IM 77C01E01-01E
1 1
2
3
4
5
A
I
Installation and Wiring
1.3 Wiring
Three-phase four-wire system (voltage input, current input, power supply)
1
2 3
4 5
6 7
8 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
L ؉
N ؊
PE
Power supply voltage
100-240V AC
Ϯ10% or
130-300V DC Ϯ15%
Power-source side
N 1
A
(R)
B
(S)
C
(T)
2 3
K
L
CT
K
L
CT
K
L
CT
Load side
Fuse
VT
k
l k
l k
l
1L
1S
2L
2S
3L
3S
P0
P1
P2
P3
U
U
V
u
u
U u
v
V v
V v
Refer to
“Other Wiring”
NOTE
Do not ground the input
circuit when connecting
voltage and current directly
without using VT and CT.
a
b
c
d
e
f
Power supply
Three-phase four-wire system (2.5 element) (voltage input, current input, power supply)
1
2 3
4 5
6 7
8 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
L ؉
N ؊
PE
u
u
v
v
Fuse
VT
P0
P3
P1 U
U
V
V
Power supply voltage
100-240V AC
Ϯ10% or
130-300V DC Ϯ15%
Power-source side
N 1
A
(R)
B
(S)
C
(T)
2 3
K
L
CT
K
L
CT
K
L
CT
Load side
k
l k
l k
l
1L
1S
2L
2S
3L
3S
Refer to
“Other Wiring”
NOTE
Do not ground the input
circuit when connecting
voltage and current directly
without using VT and CT.
a
b
c
d
e
f
Power supply