自由容器
新闻资讯
Power supply restrictions are mainly reflected in the following three aspects:1. Isolate the power electric and electronic components.
Explosion requirement,Ignition source: A large number of electrical instruments are used in the production process, and various kinds of friction sparks, mechanical wear sparks, electrostatic sparks,
1. Intrinsically safe "i" (intrinsically safe electrical equipment and its associated equipment) intrinsically safe circuit:
1, IEC/CENELEC/EUrOPE and NORTH AMERICA/FM standards are often used, while CANADA/CSA standards are almost not used in China.
Class I: underground electrical equipment in coal mines;Class II: Electrical equipment for explosive gas environments other than coal mines and underground mines.
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