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LFS(Q)-10Q Type Current Transformer
Applications
LFS(Q)-10Q Current transformer is suitable for power measurement, current monitoring and relay protection in power system with rater frequency 50Hz or 60Hz and rater voltage 10kV.
Applicable Standard: IEC60044-1, GB 1208 ¡¶Current transformer¡·.
Type Designation
Operation Conditions
Installation area: Indoor.
Ambient temperature: Max. temperature 40¡æ;Min. temperature -5¡æ;Daily average temperature can't exceed 30¡æ.
Air conditions: No heavy pollution in air.
Structure and Feature
The Current transformer is of epoxy resin, hermetically sealed structure with excellent insulative performance and anti-damp capacity. It has outling and easily-cleaned surface.There is a connection box in the secondary connection area. Four holes on the bottom of the CT are suitable for mounting.
Technical Parameter

Technical parameters of LFS-10Q current transformer
Model
Rated primary current
(A)
Combined accuracy classes
Rated output
(VA)
Rated short-time thermo current
(kA/s)
Rated dynamic stability current
(kA/s)
LFS-10Q
5
0.2/0.2
0.2/0.5
0.2/10P10
0.5/10P10
10/10
10/15
10/15
10/15
0.4
1
10
0.8
2
15
1.2
3
20
1.6
4
30
2.4
6
40
3.2
8
50
4
10
75
6
15
100
8
20
150
12
30
200
16
40
300
21
51
400
0.2/0.2
0.2/0.5
0.2/10P10
0.5/10P10
10/10
10/10
10/15
10/15
24
60
500
25
62.5
600
30
72
800
40
80
1000
50
80

Technical parameters of LFSQ-10Q current transformer
Model
Rated primary current
(A)
Combined accuracy classes
Rated output
(VA)
Rated short-time thermo current
(kA/s)
Rated dynamic stability current
(kA/s)
LFSQ-10Q
5
0.2/0.2
0.2/0.5
0.2/10P10
0.5/10P10
10/10
10/15
10/15
10/15
0.8
2
10
1.6
4
15
6
15
20
8
20
30
12
30
40
16
40
50
20
50
75
32
90
100
45
100
150
45
100
200
45
100
300
45
100
400
45
100
500
45
100
600
63
130
800
63
130
1000
63
130
1200
63
130
1500
63
130

Rated secondary current: 5A or 1A.
Insulation level: 12/42/75kV.
Outline and Mounting Dimensions

Information Required for Order Placing
Model.
Rated current ratio A.
Combined accuracy classes and Rated output VA.
Altitude m.