FIELD: physics.
SUBSTANCE: invention relates to plug-in module for insertion into metal retaining frame of modular plug connector, besides, this plug-in module has overvoltage protection, having at least one contact spring for electric contact with metal retaining frame, overvoltage protection circuit has connection to the mass, which is connected by electroconductive connection with contact spring. Invention also relates to a plug and a modular plug-in connector having such a plug-in module.
EFFECT: technical result is protection of plug-in module from electric overvoltage.
15 cl, 7 dwg
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