Division of devicesMachines, equipment, stationary or mobile devices, control and equipment parts as well as warning and preventions systems, intended either individually or in combination for the generation, transmission, storage, measurement, control and conversion of energy and/or to process materials, and which..., protection systems or components for use in explosive atmospheres in accordance with their maximum surface temperatureThe maximum temperature or surface of a device, a protection system or a component can achieve during operation under the most unfavorable conditions..
