Nexus 1250 - Page 70

Doc# E107706 4- 14
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
4: Electrical Installation
Figure 4.6: 3-Wire, 2-Element Open Delta with 2 PTs and 2 CTs
B
OAD
AC
A B C
LINE
Ia
Ic
Ib
EARTH
N -
Vb
Vc
L +
Va
POWER SUPPLY
(DEPENDENT ON EQUIPPED SUPPLY OPTION)
FUSES
EARTH
LO
LO
HI
LO
HI
HI
TEST BLOCK
SHORTING SWITCH OR
CTs
PTs