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防爆電氣CCC認(rèn)證中，關(guān)鍵元器件有劃分為A類(lèi)受控和B類(lèi)受控。那么，A類(lèi)和B類(lèi)是如何劃分的？A類(lèi)受控和B類(lèi)受控又分別是哪些元器件呢？ A類(lèi)受控元器件：A類(lèi)變更應(yīng)經(jīng)過(guò)認(rèn)證機(jī)構(gòu)的批準(zhǔn)。變更時(shí)，整機(jī)是否符合安全要求，必須由實(shí)驗(yàn)室按照整機(jī)和 元器件標(biāo)準(zhǔn)中相關(guān)項(xiàng)目所規(guī)定的試驗(yàn)進(jìn)行確定，并由認(rèn)證機(jī)構(gòu)評(píng)定合格后批準(zhǔn)變更。 ……

※ 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……