This standard stipulates the design and structure of electrical equipment that will not produce sparks, arcs or dangerous temperatures under normal operating conditions, and whose rated power supply voltage does not exceed 11kV (AC effective value or DC value), and adopts the increased safety "e" explosion-proof type , special requirements for inspection and marking. These special requirements are supplements to the general requirements of GB 3836.1. The provisions in GB 3836.1 are also applicable to increased safety electrical equipment, except for the parts that are not specifically stated to be inapplicable.
GB 3836.3-2000 history
2021GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety“e”
2010GB 3836.3-2010 Explosive atmospheres.Part 3:Equipment protection by increased safety "e"
2000GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres-Part 3:Increased safety "e"