This part of IEC 60079 specifies the requirements for the design, construction, testing and marking of electrical apparatus with type of protection increased safety "e" intended for use in explosive gas atmospheres. This standard applies to electrical apparatus where the rated voltage does not exceed 11 kV r.m.s. a.c. or d.c. Additional measures are applied to ensure that the apparatus does not produce arcs, sparks, or excessive temperatures in normal operation or under specified abnormal conditions.
WITHDRAWN
IEC 60079-7:2006 ED4
99.60
Withdrawal effective
Jun 26, 2015
PUBLISHED
IEC 60079-7:2015 ED5