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Kumwell KZ.ISG100 are separating high power gas discharge tubes intended for equipotential bonding of an installation parts of buildings, which are not interconnected.
In case of origin of potential difference between those parts, the high power gas discharge tube ignites and interconnects both parts for a transient time (typical value of internal resistance at startup of KZ.ISG100 is 0.001 to 0.002 Ω)
Recommended installation is inside the buildings, outdoors in the damp rooms as well as in the subterraneous areas.
For lightning protection equipotential bonding in accordance with IEC 61024-1 and IEC 62561-3