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Current Transformer LZZBJ71-12W

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Description

 

The LZZBJ71-12W current instrument transformers are fully enclosed and cast in epoxy resin. The transformers are special for electric systems of rated voltage of 12kV and rated frequency of 50Hz / 60Hz. They are used for outdoor mounting. The performances of the products meet the standards IEC60044-1 and GB1208-2006.

 

Ambient condition:

  1. Ambient temperature: -25 ~ 40 .
  2. Note: For customization, the ambient temperature can be as low as -40 .
  3. Relative humidity: lower than 85% at 20 .
  4. Indoor conditions of mounting, dry and free from dust, smoke, corrosive gases, vapors or salt.
  5. The products withstand the direct vibration test on intensity with 0.4g three sine waves, which is correspondently 9.0 Richter scale.
  6. Pollution level: IV

 

Model

Current Transformer LZZBJ71

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Parameters

 

Main Technical parameters

The product is fully enclosed and excellent in protection against pollution and condensation. It is light and compact, so it can be installed flexibly.

  1. Rated insulation level: 12/42/75kV.
  2. The rated current and accuracy class are displayed in the table below.
  3. Partial discharge (PD) level corresponds to standard IEC60044-1.
  4. When transformer is working with protection relay, the lower limit of secondary winding load can be as low as 1VA for accuracy class 0.2 and 0.5.

Current Transformer LZZBJ71

 

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Solutions

 

Outline dimension
Current Transformer LZZBJ71

Current Transformer LZZBJ71

 

 

Order LZZBJ71-12 Current Transformers for Your Project

We offer LZZBJ71-12 current transformers with a full range of current ratios, accuracy classes, and mounting options to suit any industrial or utility-grade power distribution project.

  • Certified to IEC and GB standards
  • OEM and custom labeling available
  • Tested for partial discharge, insulation resistance, and ratio error
  • Ideal for panel builders, switchgear manufacturers, and EPC contractors

METTZ Group stands as a consortium of Chinese electrical firms, renowned for its expertise in manufacturing electrical equipment. We are specialized in crafting a comprehensive suite of transmission and distribution equipment, covering a wide voltage range from 0.4 to 40.5 kV. Our commitment lies in delivering reliable and stable products to our clientele, encompassing vacuum circuit breakers (VCB), gas-insulated switchgear modular units (RMU), solid insulated switchgear (SIS) panels, air insulated switchgear (AIS) panels, and dry compressed air insulated switchgear panels (DIS) and components for each type of products.

Since our inception, METTZ Group has been at the forefront of adopting international cutting-edge technologies and equipment. We pride ourselves on our extensive collaboration and dialogue with leading experts in the electrical technology sector, both within China and internationally. Our offerings are tailored to meet the specific needs of our clients, including Original Equipment Manufacturer (OEM) services, customization of products to unique parameters and dimensions, all in alignment with our customers’ specifications.

METTZ Group is dedicated to innovation, quality, and customer satisfaction, ensuring that we remain a preferred partner for electrical equipment solutions worldwide.

 

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