ABB REF 54 Series Technical Reference Manual

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Technical Reference Manual, General
5()B
The letters b and c after the signal type are used to distinguish between signals of the
same type.
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1R
Current
Transformer
(CT)
Voltage Transformer
(VT)
Rogovski coil/-
sensor (RS)
Voltage
divider (VD)
General
measure-
ment
Signal type (selectable
alternatives)

RS 1...10 VD 1...10 Gen. meas.
1...3
Not in use,
I
L1
, I
L2
, I
L3
,
I
L1b,
I
L2b,
I
L3b,
U
1
, U
2
, U
3
,
U
1b
, U
2b
, U
3b
,
U
1c
,
GE1, GE2, GE3

Current
Transformer CT1
(I
n
= 1 A/5 A)
RS 1...10 VD 1...10 Gen. meas.
1...3
Not in use,
I
L1
, I
L2
, I
L3
,
I
L1b,
I
L2b,
I
L3b,
I
0
, I
0b
,
U
1
, U
2
, U
3
,
U
1b
, U
2b
, U
3b
,
U
1c
,
GE1, GE2, GE3

Current
Transformer CT2
(I
n
= 1 A/5 A)

Current
Transformer CT3
(I
n
= 1 A/5 A)

Current
Transformer CT4
(I
n
= 1 A/5 A)

Current
Transformer CT5
(I
n
= 0.2 A/1 A)
Not in use,
I
L1
, I
L2
, I
L3
,
I
L1b,
I
L2b,
I
L3b,
I
0,
I
0b

Voltage Transformer
VT1 (U
n
=100V/110V/
115V/120V)
RS 1...10 VD 1...10 Gen. meas.
1...3
Not in use,
I
L1
, I
L2
, I
L3
,
I
L1b,
I
L2b,
I
L3b,
U
12
, U
23
, U
31
,
U
12b
, U
23b
, U
31b
,
U
12c
,
U
1
, U
2
, U
3
,
U
1b
, U
2b
, U
3b
,
U
1c
,
U
0
, U
0b
,
GE1, GE2, GE3

Voltage Transformer
VT2 (U
n
=100V/110V/
115V/120V)

Voltage Transformer
VT3 (U
n
=100V/110V/
115V/120V)

Voltage Transformer
VT4 (U
n
=100V/110V/
115V/120V)

ABB REF 54 Series Specifications

General

Brand	ABB
Model	REF 54 Series
Category	Touch terminals
Language	English