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LJ-φ75 Type Zero Sequence Current Transformer
Applications
LJ-φ75(100,110,120) Zero Sequence Current Transformer is suitable for power measurement, current monitoring and relay protection in power system with Rated frequency 50Hz or 60Hz and Rated voltage 10kV.
Applicable Standard: IEC60044-1, GB 1208 《Current transformer》.
Type Designation
Operation Conditions
Installation area: Indoor.
Ambient temperature: Max. temperature 40℃;Min. temperature -5℃;Daily average temperature can't exceed 30℃.
Air conditions: No heavy pollution in air.
Technical Parameter
Model
Secondary load
Ω
Relay model
Setting current
(继电器绕组并联)(A)
Sensitivity(A)
(使继电器动作的一次电流)
LJ-φ75
10
DL-11/0.2
0.03
≤10
LJ-φ100
LJ-φ110
LJ-φ120
Rated insulation level: 0.5/3kV
Structure and Feature
Current Transformer adopts the crystallite alloy or excellent silicon steel sheets to enwind becoming anlular, then secondary leads are winded on it evenly. Then deal the winded coil with dipping paint. There are four holes suitable for mounting at the bottom of the product.
Outline and Mounting Dimensions


Model
d
D
H
LJ-φ75
75
198
255
LJ-φ100
100
222
280
LJ-φ110
110
232
290
LJ-φ120
120
242
300