DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 60079-7 Beiblatt 1
; VDE 0170-6 Beiblatt 1:2017-10
Explosive atmospheres - Part 7: Equipment protection by increased safety "e"; Supplement 1: Interpretation Sheet 1 (IEC 60079-7:2015/ISH1:2016)
Explosionsgefährdete Bereiche - Teil 7: Geräteschutz durch erhöhte Sicherheit "e"; Beiblatt 1: Auslegungsblatt 1 (IEC 60079-7:2015/ISH1:2016)
Overview
This Interpretation Sheet addresses the question of whether the requirements of 5.2.3 prohibit the use of a terminal box that is open to the interior of a motor with an operating voltage of 1 kV or greater, provided that the interior of the machine has a degree of protection of IP54 or more. The responsible committee is DKE/K 241 "Schlagwetter- und explosionsgeschützte elektrische Betriebsmittel" ("Electrical apparatus for potentially explosive atmospheres") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.
Responsible national committee
DKE/K 241 - Schlagwetter- und explosionsgeschützte elektrische Betriebsmittel