ZGD-I-3 (TY) Low Resistance Grounding Modules

Product code : 1490068450

The ZGD-I-3 (TY) Low Resistance Grounding Modules are a kind of grounding body based on nonmetallic materials, being composed of conductive and stable nonmetallic minerals and electrolytic materials, which can be used as the lightning protection grounding of buildings (structures), static protective grounding, AC working earthing, DC working earthing, protective earthing and grounding bodies for other purposes. The series of products won the national patents, with the patent numbers of 94230002.5 and 97107543.3.

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General
The ZGD-I-3 (TY) Low Resistance Grounding Module is a kind of grounding body based on nonmetallic materials, being composed of conductive and stable nonmetallic minerals and electrolytic materials, which can be used as the lightning protection grounding of buildings (structures), static protective grounding, AC working earthing, DC working earthing, protective earthing and grounding bodies for other purposes.
The series of products won the national patents, with the patent numbers of 94230002.5 and 97107543.3.

Standards Complied
GB/T21698-2008 Technical Specifications of Composite Grounding Device
Q/75875187-9·6—2011 Grounding Body

Technical Data

Model	ZGD-I-3 (TY)
Room temperature resistivity	≤1.0Ω•m
Power-frequency grounding resistance^a	4Ω
Power-frequency grounding resistance (equivalent expression) Rj	≈0.11ρ
Weight	55kg
^a For the soil resistivity ρ, the typical value in Chengdu, i.e., 40Ω·m, is taken.