7
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7. Connection Diagrams
Figure 12. ETR Connection Diagrams
ON
L
N
L
CT11
DI 21 DI 22
CT 12
N
31
32
41
42
ERROR
ETR - HT ( 10 - 300 A )
OUTPUT
INPUT
ON
ERROR
~ A
SET
START
ON
L
N
L
DI 21 DI 22
N
31
32
41
42
ERROR
ETR - DT ( 0 - 25 A )
OUTPUT
INPUT
ON
ERROR
~ A
SET
START
POWER
OUTPUT
ON RELAY
OUTPUT
ERROR
RELAY
OUTPUT
ON RELAY
OUTPUT
ERROR
RELAY
OUTPUT
POWER
INPUT
START
INPUT
ETR-DT with Internal Current Transformer
ETR-HT with External Current Transformer
START
INPUT
CURRENT
TRANSFORMER
INPUT
POWER
INPUT
Figure 13. ETR Dimensions
36
110
31
50
73.5
50.3
