经无火花型防爆认证的电机在正常运行情况下不会产生火花，也不产生超过电气设备相应温度组别温度的热表面或灼热点。

电机运行需遵从ATEX指令中与3类对应的EHSRs：

• 设备在设计阶段必须防止正常运行中可能出现的灼热点。

• 即使受到频繁电磁干扰，设备表面温度必须低于电气设备相应温度组别温度。

爆炸性气体即使进入电机内部也不会发生爆炸是因为：

• 电机内部温度不会超过设备相应温度组别温度。

• 电机零部件材料的选择确保不会产生火花，因而不会点燃爆炸性气体。

宣传单页：

• Close-coupled pump (CCP) motors - For compact pumping solutions

• ‍Product note: Flameproof motors from ABB - performance, reliability and safety

• ‍Low voltage motors for the mining and cement industry, Built to cope with the harshest conditions of all

• ‍Product note - IE2 and IE3 low voltage flameproof motors, frame sizes 80-132, Redesigned for enhanced safety and flexibility

• ‍Low voltage cast iron motors for open deck installation

• ‍Technical note - Evolving protection concepts for motors, Non-sparking becomes part of increased safety

• ‍Product note - Aluminum frame dust ignition protection and increased safety motors, Protection types Ex t & Ex ec

• ‍Product note - Flameproof IE3 motors M3JP/M3KP 80-132 for 50 Hz supply, EN 12-2016

• ‍Technical note - Comparison of 4-pole and 2-pole designs for large motors and generators (typically rated over 7 MW) - FactFile

‍样本：

• M3JP 危险环境用高效隔爆型三相异步电动机

• ‍Low voltage Motors for explosive dust atmospheres EN 09-2021

• ‍Low voltage Motors for explosive gas atmospheres EN 09-2021‍