Encapsulated switching relay

摘要

An encapsulated switching relay in a housing which is sealed in an airtight manner and consists of plastic material, the cap or dome of which housing is ventilated after installation in order to dissipate the micro-environment existing in the interior of the relay, characterized in that a tool which knocks out ventilation opening from the inside and is in the form of a cylindrical or conical pin is assigned to a region (which is intended to be knocked out for ventilation, whose cross-section is weakened and which has a thin wall) of the dome wall, located opposite on the inside.