Medium Voltage Products
Type KOKM 072 xA 10
Indoor cable current transformers
KOKM 072 xA 10 – These indoor ring core current transformer
types supply metering and protection devices at a maximum nominal voltage of 0.72 kV and nominal frequency of 50 or 60 Hz.
The transformers can be mounted inside the RMU switchgear.
Secondary circuits should be mounted using copper wires with a
crosssection 4 mm2 (strand) or 6 mm2 (solid conductor).
CTs with secondary current 0,075A are specially designed and
applicable for self-powered relay.
CT parameters for metering and protection devices (according to IEC 60044-1)
Metering
Protection
Ratio (A)
Class *
Burden
(VA)
Ratio (A)
Class *
Burden
(VA)
Ith (kA) /sec
KOKM 072 BA
100/5
0,2 S
2,5
20/3s; 25/1s
KOKM 072 BA
100/5
5P10
4
20/3s; 25/1s
KOKM 072 CA
200/5
0,2 S
4
KOKM 072 CA
300/5
0,2 S
4
20/3s; 25/1s
KOKM 072 CA
100/5
5P10
2,5
20/3s; 25/1s
20/3s; 25/1s
KOKM 072 CA
150/5
5P10
4
KOKM 072 CA
400/5
0,2 S
20/3s; 25/1s
4
20/3s; 25/1s
KOKM 072 CA
200/5
5P10
4
20/3s; 25/1s
KOKM 072 CA
500/5
KOKM 072 CA
600/5
0,2 S
4
20/3s; 25/1s
KOKM 072 CA
300/5
5P10
4
20/3s; 25/1s
0,2 S
4
20/3s; 25/1s
KOKM 072 CA
400/5
5P10
4
KOKM 072 BA
20/3s; 25/1s
100/1
0,2 S
2,5
20/3s; 25/1s
KOKM 072 CA
500/5
5P10
4
20/3s; 25/1s
KOKM 072 CA
200/1
0,2 S
4
20/3s; 25/1s
KOKM 072 CA
600/5
5P10
4
20/3s; 25/1s
KOKM 072 CA
300/1
0,2 S
4
20/3s; 25/1s
KOKM 072 BA
100/1
5P10
4
20/3s; 25/1s
KOKM 072 CA
400/1
0,2 S
4
20/3s; 25/1s
KOKM 072 CA
100/1
5P10
2,5
20/3s; 25/1s
KOKM 072 CA
500/1
0,2 S
4
20/3s; 25/1s
KOKM 072 CA
150/1
5P10
4
20/3s; 25/1s
KOKM 072 CA
600/1
0,2 S
4
20/3s; 25/1s
KOKM 072 CA
200/1
5P10
4
20/3s; 25/1s
KOKM 072 CA
100/5
0,5 S
4
20/3s; 25/1s
KOKM 072 CA
300/1
5P10
4
20/3s; 25/1s
KOKM 072 CA
200/5
0,5 S
4
20/3s; 25/1s
KOKM 072 CA
400/1
5P10
4
20/3s; 25/1s
KOKM 072 CA
300/5
0,5 S
4
20/3s; 25/1s
KOKM 072 CA
500/1
5P10
4
20/3s; 25/1s
KOKM 072 CA
400/5
0,5 S
4
20/3s; 25/1s
KOKM 072 CA
600/1
5P10
4
20/3s; 25/1s
KOKM 072 CA
500/5
0,5 S
4
20/3s; 25/1s
KOKM 072 BA
600/5
0,5 S
20/3s; 25/1s
4
20/3s; 25/1s
5P10
4-7
KOKM 072 CA
100200/1*
KOKM 072 CA
100/1
0,5 S
4
20/3s; 25/1s
KOKM 072 CA
10P10
1,5-3-6
20/3s; 25/1s
KOKM 072 CA
200/1
0,5 S
4
20/3s; 25/1s
50-100200/1*
KOKM 072 CA
300/1
0,5 S
20/3s; 25/1s
KOKM 072 CA
4
300600/1*
5P10
4-7
20/3s; 25/1s
KOKM 072 CA
400/1
0,5 S
4
20/3s; 25/1s
KOKM 072 CA
KOKM 072 CA
4-7
20/3s; 25/1s
0,5 S
4
20/3s; 25/1s
400600/1*
5P10
500/1
KOKM 072 CA
600/1
0,5 S
4
20/3s; 25/1s
Type
* CTs with classes 0,2 S are also available with classes 0,2 or 0,5 or 1
* CTs with classes 0,5 S are also available with classes 0,5 or 1
Ith (kA) /sec
Type
* Special secondary reconnectible CTs
CT parameters for self-powered relays
Type
Type
KOKM
072BA
BA1010_CT1
_CT1
KOKM
072
KOKM072
072CA
CA 10
10 _CT2
_CT2
KOKM
KOKM 072
072 CA
CA 10
KOKM
10 _CT3
_CT3)
0.72/3/0.72/3/-
0.72/3/0.72/3/-
0.72/3/0.72/3/-
0.72/3/0.72/3/-
0.72/3/0.72/3/-
7,2 A
7,2 A
14.4 A
14.4 A
28.8 A
28.8 A
57.6 A
57.6 A
115.2 A
115.2 A
0.075 A
0.075 A
0.288 A
0.288 A
5P80
5P80
0.1 VA
0.1 VA
20 3s
KA
20 kA/
0.075 A
0.075 A
0.288 A
0.288 A
10P80
10P80
0.1 VA
0.1 VA
20 K3s
A
20 kA/
0.075 A
0.075 A
0.288 A
0.288 A
5P80
5P80
0.1 VA
0.1 VA
2020
kA/KA
3s
0.075 A
0.075 A
0.288 A
0.288 A
5P80
5P80
0.1 VA
0.1 VA
KA
2020
kA/
3s
0.075 A
0.075 A
0.288 A
0.288 A
5P80
5P80
0.1 VA
0.1 VA
20kA/
KA
20
3s
25 kA/ 1s
62.5 KA
50/62.5 KA
25 kA/ 1s
62.5 K A
50/62.5 KA
25 kA/ 1s
62.5 KA
50/62.5 KA
25 kA/ 1s
62.5 KA
50/62.5 KA
25 kA/ 1s
62.5 KA
50/62.5 KA
E
E
IP 20
IP 20
E
E
IP 20
IP 20
E
E
IP 20
IP 20
E
IP 20
IP 20
E
IP 20
IP 20
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
-25 ... +70°C
Rated
level
Rated insulation
insulation level
Rated primary
current
Ipn
Rated primary
current Ipnsecondary
Rated
current
Isn
Rated secondary
current Isn
Test winding
Test winding
Accuracy class with
Accuracy class with
relay
relay
Rated burden
Rated burden
Rated short-time
Rated short-time
thermal
current Ith 1 s
thermal current Ith
Rated dynamic
Rated dynamic
curcurrent
Idyn
rent Idyn
Insulation class
Insulation class
Protection
Protection
Working
Working temperature
temperature
range
range
KOKM
072
CACA
1010
_CT5
KOKM072
072CA
CA1010_CT4
_CT4 KOKM
KOKM
072
_CT5
E
E
Note: Another CT parameters (according to customer´s requirement) are available after agreement with manufacturer.
Note: Another CT parameters (according to customer´s requirement) are available after agreement with manufacturer.
CT dimensions
KOKM 072 BA10, CA 10
A
P
Weight [kg]
1VL4600393R0101
KOKM 072 CA 10
50
2
1,9
1VL4600393R0102
KOKM 072 BA 10
42
3
3,3
1VL4600393R0103
KOKM 072 CA 10
50
3
2,8
ABB s.r.o.
ABB s.r.o.
PPMV
Brno
PPMV Brno
Videnska
Videnska 117
117, 619 00 Brno
619
00 Republic
Brno, Czech Republic
Czech
Tel.: +420
+420547
547152
152602
021 Tel.:
+420547
547152
152614
614
+420
Fax: +420 547 152 626
Fax:
+420 547 152 626
E-mail:[email protected]
E-mail: [email protected]
www.abb.com
www.abb.com
1VLC000600 Rev.1,en 2014.11.13
Type
The data and illustrations in this catalogue are not binding.
Thereserve
data and
this catalogue
are notinbinding.
We reserve the
We
theillustrations
right to makeinchanges
of the content,
the course
right to make changes of the content, in the courseof technical developof technical development of the product.
ment of the product.
1VLC000600-rev.1,en 2012.06.05
Drawing

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