Good quality Zero Current Transformer - LCT-4 Zero-sequence Current Transformer – Aiso

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Good quality Zero Current Transformer - LCT-4 Zero-sequence Current Transformer – Aiso Detail:

Summary

This zero-sequence current transformer has such characteristics as high precision. Good linearity, reliable, reliable operation, easy installation, expecially this transformer can be applied to system of zero-sequence current 1A and 2A while conventional zero-sequence transfomer can not. The exterior design is two central-circle combined type, novel structure, beautiful and reasonable. The products can be used for power supply system in the fields of electric power, metallurgy, coil, petroleum, chemical industry, building material and other industries.

Technical parameter

1,Operating environment

a,Environmental temperature:-20℃~50℃

b, Relative humidity:≤90%

c, Atmospheric pressure:80kpa~200kpa

2, AC Voltage:66kV~4000kV

3, Zero-sequence current:

Primary side 1~36A(customize for 36A or above, secondary side 20~30mA)

4, Electric network frequency:50Hz

5, The terminal used with ML98 device-using explanation

System primary zero-sequence current(A)	Selected terminal
1≤I0<6	S1, S2
6≤I0<12	S1, S3
12≤I0<36	S1, S4

6,Secondary load:≤2.5Ω

Outline and installation dimension

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Type	Bore¢D	Width L	Height H	Center height h	Thickness B	Thickness B	Mounting size(mm)
LCT-7	¢185	280	348	205	60	145	147*94
LCT-5	¢150	255	315	184	57	142	147*93

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Type	Bore¢D	Width L	Height H	Center height h	Thickness B	Mounting size and bolt spec(M8*25)
LCT-9	¢240	400	375	200	65	118±0.5
LCT-4	¢150	256	228	120	55	105±0.5
LCT-3	¢100	256	228	120	55	105±0.5
LCT-2	¢80	210	200	106	55	110±0.5

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