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R
S
T
N
Neutral
T (phase 3)
S (phase 2)
R (phase 1)
Empty
Empty
R
S
T
N
Neutral
Phase
Empty
Empty
Monophase Connection
From the R S T phase ends at the
input terminal, input is made to R
phase and bridged to S and T phas-
es. 3 phases are bridged together.
Neutral and ground line are connect-
ed. Is shown in the figure.
Triphase Connection
Input to R S T phase ends at the
input terminal. Neutral and ground
line are connected. Is shown in the
figure.
