In hazardous environments, such as in chemical plants, the oil industry or in gas works, motors have to comply with the strictest safety standards for the protection of life, machines and the en- vironment. With the explosion-protected motors from Siemens you are going further than the basic safety require- ments: our rugged EEx motors operate completely reliably even under the most extreme conditions - and this has been proven worldwide a hundred thousand times over. And what is more, there are no gaps in our EEx motor range, they meet all requirements with maximum safety and high efficiency during operation.