LMZB(J)2-12 12kV Current Transformer

  • Bus-Type Design:Epoxy resin encapsulated busbar primary.
  • Triple Secondary:Multiple winding configurations for protection & measurement.
  • High Current Range:Supports 1000–5000A primary current.
  • Standard Secondary:5A rated output.
  • Robust Insulation:Rated insulation level 12/28/75kV.
  • Indoor Use:Suitable for indoor switchgear applications.
Describe Display

The LMZB(J)2-12 is a 12kV indoor single-phase epoxy resin bus-type current transformer designed for precise current measurement, energy metering, and protective relaying in electrical systems. It features epoxy resin casting insulation that fully encloses the busbar primary conductor, secondary windings, and annular magnetic core, providing excellent electrical insulation and mechanical strength.

 

This product is equipped with three secondary windings, configurable as either one measuring and two protective windings or two measuring and one protective winding, offering flexible application options. It supports rated primary currents ranging from 1000A to 5000A with a standard secondary current of 5A. The LMZB(J)2-12 complies with IEC 60044-1 standards and is intended for indoor installations operating at 50Hz or 60Hz.

Product parameters
Type Rated Transformation ratio (A) Accuracy classes combination Rated output CosΦ=0.8(VA) FS ALF
Measuring Protective
0.2(S) 0.5  10P
LMZB2-12 1000/5 0.2(S)/0.2(S)
0.2(S)/0.5
0.2(S)/10P
0.5/10P
0.2S/0.5/10P
0.2/0.5/10P
15
20
15
20
30
15
20
30
40
5
(10)
10
15
20
  1200/5
1500/5
2000/5
3000/5
4000/5
5000/5
Size/Installation

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