Overview：
LDC is high-precision through-current CT is suitable for current measurement, energy metering, signal sampling and microcomputer protection of 10kV-35kV power supply equipment for AC power system. The current transformer has the following characteristics: small size, light weight and convenient installation. It has been installed in SafeRing/Plus, Uniswitch, RM6/SM6, SVS, GA/GE, FB, SS, FTR and other series of fully insulated ring network switchgear. Widely used in combined substations and cable distribution boxes. And it is very suitable for RTI, FTU and other remote terminal equipment to form a sampling unit to provide accurate data support for the entire system.
|
Specifications:
Rated
frequency: 50Hz or 60Hz;
Rated
secondary current: 5A or 1A;
Power
frequency withstand voltage: 3kV/1min;
Rated
expansion current: 120%ln;
Executive standard: GB20840.2-2014.
|
Conditions:
Temperature: -35°C~+55°C;
Daily average humidity: ≤40%;
Altitude: ≤3000m;
Atmosphere: without heavy pollution.
|
LDC Series Overview:
|
Model
|
Ø1 (mm)
|
Ø2 (mm)
|
D (mm)
|
H (mm)
|
h (mm)
|
|
LTC1-10
|
116
|
78
|
35
|
140
|
80
|
|
LTC2-10
|
130
|
82
|
40
|
157
|
90
|
|
LTCJ1-10
|
116
|
78
|
70
|
140
|
80
|
|
LTCJ2-10
|
130
|
82
|
80
|
157
|
90
|
|
LTC3-10
|
125
|
85
|
50
|
134
|
|
|
LTC4-10
|
155
|
76
|
80
|
170
|
90
|
|
LTC5-10
|
135
|
85
|
50
|
|
|
|
LTC6-10
|
125
|
82
|
35
|
150
|
86
|
|
LTC7-10
|
116
|
72
|
70
|
128
|
70
|
|
LTC8-10
|
165
|
100
|
35
|
195
|
112.5
|
|
LTCF1-10
|
|
72
|
75
|
130
|
70
|
|
LTCF2-10
|
|
80
|
50
|
130
|
70
|
|
LTCS-10
|
106
|
75
|
35
|
115
|
62.5
|
|
LZW20-10(I)
|
166
|
85
|
40
|
172
|
90
|
|
LZW20-10(II)
|
166
|
85
|
65
|
172
|
90
|
|
LZW28-10
|
155
|
110
|
80
|
170
|
90
|
|
LSZC-10
|
|
45
|
100
|
|
|
|
LSTC-10
|
|
75
|
54
|
130
|
|
Dimensions drawing:
Rated primary current，Accuracy class and rated load：
rated secondary current is 5A or 1A.
|
Model
|
LDC2-10
|
|
Rated primary current
（A）
|
Accuracy class and rated load (VA)
|
Double winding Accuracy class and rated load (VA)
|
|
0.2S
|
0.2
|
0.5
|
10P20
|
10P15
|
10P10
|
0.2S
|
0.5
|
10P10
|
10P5
|
|
50
|
|
|
2.5
|
|
|
|
|
1.5
|
|
1.5
|
|
75
|
|
2.5
|
5
|
|
|
1.5
|
|
2.5
|
|
1.5
|
|
100
|
2.5
|
3.75
|
5
|
|
|
2.5
|
|
2.5
|
1.5
|
2.5
|
|
150
|
5
|
5
|
10
|
|
2.5
|
2.5
|
2.5
|
5
|
1.5
|
3.75
|
|
200
|
10
|
12.5
|
15
|
2.5
|
3.75
|
5
|
5
|
7.5
|
2.5
|
5
|
|
300
|
20
|
25
|
30
|
3.75
|
5
|
7.5
|
10
|
15
|
3.75
|
7.5
|
|
400
|
25
|
30
|
40
|
5
|
7.5
|
10
|
15
|
20
|
5
|
10
|
|
500
|
30
|
40
|
50
|
5
|
7.5
|
10
|
20
|
25
|
5
|
10
|
|
600
|
40
|
50
|
60
|
7.5
|
10
|
15
|
25
|
30
|
7.5
|
15
|
|
800
|
40
|
50
|
60
|
10
|
15
|
20
|
30
|
40
|
7.5
|
15
|