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防爆电气CCC认证中，关键元器件有划分为A类受控和B类受控。那么，A类和B类是如何划分的？A类受控和B类受控又分别是哪些元器件呢？ A类受控元器件：A类变更应经过认证机构的批准。变更时，整机是否符合安全要求，必须由实验室按照整机和 元器件标准中相关项目所规定的试验进行确定，并由认证机构评定合格后批准变更。 ……

※ Data preparation ◆Business license ◆Application form ◆Product drawings (including product specifications, label, circuit diagrams, PCB drawings, gene……

※Background Explosion protection is an essential part of the overall risk management to be conducted for industrial sectors such as coal mining, oil, gas and……

(1）IEC 60079-0 Explosive atmospheres Part 0: Equipment —— General requirements （2）IEC 60079-1 Explosive atmospheres Part 1: Equipment protection by flameproo……

ATEX Certification is the product regulation that supports health and safety of persons working in or near to potentially explosive atmospheres such as those found in the petrochemical industries, underground mining or in food production. ATEX Certificati

※ Data preparation ◆ Business license ◆Application form ◆Product drawings (including product specifications, label, circuit diagrams, PCB drawings, gen……