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Beijing Tianli Relay Protection Automation Technology Co., Ltd.
(Beijing Tianli Automation Equipment Institute)

Add:16 Xueqing Rd., Haidian, Beijing, China
Zip:100083
Tel:010-82755511 82755899
Fax:010-82755599-8009
URL:http://www.tlauto.com
Email:tlauto@163.com

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Product name:TLLJ (Z) Zero Sequence Current Transformer

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   This product is applicable to 380V - 66kV isolated neutral system or neutral ground system through arc suppression coil (small current neutral ground system), and it is used in conjunction with microcomputer-based ground detection device or microcomputer-based protective device which is provided with ground detection function under circumstance of single-phase ground in a manner of zero sequence current sampling component, to select ground circuit and correctly eliminate the fault.

 Specification

   Zero sequence current transformer in this series has 8 specifications at present, of which the hole diameter is 80, 100, 120, 140, 160, 180, 200 and 240 respectively. Users may select zero sequence current transformer of corresponding specification according to the outside diameter of cable. 

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