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.
IEC 60079-7 Ed. 4.0 b:2006
Original price was: $351.00.$175.00Current price is: $175.00.
Explosive atmospheres – Part 7: Equipment protection by increased safety “e”
International Electrotechnical Commission , 07/10/2006
Pages: 159
