Specifications

Mechanical Indicators
41
Overall Connection Examples
4. 3-phase, 4-wire circuit
+C1 C1 +C1 C2
C3+C3
+C1 C1
C2 C3
+C2C2 +C3C3
+C22L +C33L
2S 3S
+C1 C11S
kkk
RRR
1L
CT
Note 1
Voltage changeover switch
Current changeover switch (terminally mounted)
Current changeover switch (intermediately mounted)
AC voltmeter YS-12NAV type (LS-110NAV type)
AC ammeter YS-12NAA type (LS-110NAA type)
AC ammeter YS-12NAA type (LS-110NAA type)
Frequency meter YP-12NF type (LP-110NF type)
Power-factor meter YP-12NPFU type (LP-110NPFU type)
Load
Note 1. Grounding of the secondary sides of the instrument voltage transformer
and the current transf
ormer is not necessar
y in a low voltage circuit.
(N)
0
(R)
1
(S)
2
(T)
3
Varmeter YP-12NVAR type (LP-110NVAR type)
Watthour meter 4-phase 4-wire type
Wattmeter YP-12NW type (LP-110NW type)
P2 P3 P0 P1
U
V
U U
V V
U
V
U
V
U
V
VT
Note 1
P3P1P2 P3P1P0 P3P1P2 P3 P0P1