JLEZW4-12 Combined Electronic Transformer

Short Description:

The AC electronic combined transformers are applied to distribution network with rated frequency of 50Hz and rated voltage of 10kV. It can output high-precision phase sequence voltage and current measurement signals and zero sequence voltage and current protection signals used by measurement and control devices. This product realizes primary and secondary integration with switch bodies including ZW32, FTU as well as other equipment, and with features of small size, light weight, excellent performance, reliable operation, easy installation and so on.

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Product Detail

Product Tags

Standards

GB/T20840.1、 IEC 61869-1 Instrument Transformer Part 1: General Technical Requirements
GB/T20840.7、 IEC 61869-7 Instrument Transformer Part 7: Electronic Voltage Transformer
GB/T20840.8、 IEC 61869-8 Instrument Transformer Part 8: Electronic Current Transformer

Operation Circumstance

Installation site: Outdoor
Ambient temperature: Min. temperature: -40℃
Max. temperature :+70℃
Average temperature per day ≤ +35℃
Ambient air: There is no obvious dust, smoke, corrosive gas, steam or salt and so on. Altitude: ≤ 1000m
(Please indicate the altitude when the instrument transformers are used in high altitude area.)

Please note when ordering

1. Rated voltage /current ratio.
2. Working princip le.
3. Accuracy classes and rated output.
4. For any other requirement, you can contact us!

Technical Data

	Voltage Part	Current Part
Rated Ratio	10kV/ √3/3.25V/ √3/3.25V/ √3/3.25V/ √3/6.5V/3	600A/1V/600A/1V/600A/1V/20A/0.2V
Accuracy Class	0.5/0.5/0.5/3P	5P10(0.5S)/5P10(0.5S)/5P10(0.5S)/5P30(1S)
Rated Secondary Output	2MΩ/2MΩ/2MΩ/2MΩ	20kΩ/20kΩ/20kΩ/20kΩ
Rated Insulation Level	12/42/75	12/42/75
Working Princip le	Capacitor divider	Low power coil