ABB CR Series - Page 7

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131
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TYPES
CR
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CRC
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CRP
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9
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Internal
Schematic
of
single
trip
directional
control
Fig
.
10
.
Internal
Schematic
of
single
trip
directional
con
-
relay
Type
CR
with
Indicating
Instantaneous
Trip
Unit
,
in
Type
FT
21
Case
•
trol
relay
Type
CRC
with
Indicating
instantaneous
Trip
Unit
,
in
Type
FT
21
Case
.
INTERNAL
SCHEMATIC
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69
Fig
.
10
A
.
Internal
Schemati
c
of
single
trip
directional
control
relay
Type
CR
with
Indicating
Instan
-
foneous
Trip
Unit
and
AC
Shunt
Trip
in
FT
21
Case
.
1
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