Specifications

Mechanical Indicators
40
3. 3-phase, 3-wire circuit (3CT)
+C1 C1
C3+C3
+C1 C1
C2 C3
+C2 +C3C3+C3
+C1 C1
kkk
RRR
CT
3L3S
1S 1L
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
(R)
1
(S)
2
(T)
3
The VT portion in the case of using an EVT or other Y-Y connection VT is as shown below.
Load
P2 P3 P1
Note 1
VT
(R)
1
(S)
2
(T)
3
P2 P3P1P2 P3P1P2 P3P1 P2 P3P1
Varmeter YP-12NVAR type (LP-110NVAR type)
Watthour meter 3-phase 3-wire type
Wattmeter YP-12NW type (LP-110NW type)
P2 P3 P1
Note 1
U
V
U
V
U
V
U
V
VT
Note 1. Grounding of the secondary sides of the instrument voltage transformer
and the current transformer is not necessary in a low voltage circuit.