Nexus 1250 - Page 73

Doc# E107706 4- 17
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
4: Electrical Installation
Figure 4.9: 4-Wire, 3-Element Grounded Delta with 4 CTs - G Option
A
A
C
C
LOAD
BN
BN
LINE
Ia
Ib
Ic
In
EARTH
N -
Vref
Vb
Vc
L +
Vaux
Va
AUXILIARY VOLTAGE
POWER SUPPLY
(DEPENDENT ON EQUIPPED SUPPLY OPTION)
FUSES
LO
LO
LO
LO
HI
HI
HI
HI
TEST BLOCK
SHORTING SWITCH OR
CTs