EX Q APPARATUS IEC 60079-5

http://data.posccaesar.org/rdl/RDS49767861129

hasCreationDate	2007.06.18
hasCreator	mvsen
hasDefinition	An Ex apparatus IEC 600079-0 with a type of protection in which the parts capable of igniting an explosive atmosphere are fixed in position and completely surrounded by filling material to prevent the ignition of an external explosive atmosphere.
hasDesignation	EX Q APPARATUS IEC 60079-5
hasDesignationAltern	IEC 60079-5 POWDER FILLED APPARATUS
hasIdPCA	RDS49767861129
hasNote	IEC 60079-5, 3.1 (1997)
hasNoteExplanatory	The type of protection may not prevent the surrounding explosive atmosphere from penetrating into the apparatus and Ex components and being ignited by the circuits. However, due to the small free volumes in the filling material and due to the quenching of a flame which may propagate through the paths in the filling material, an external explostion is prevented.
hasStatus	Recorded

Referenced by (5)