48 Use in Hazardous Environments WAGO I/O SYSTEM 750 XTR750-606/040-000 Power Supply 24 VDC XTR for Ex i XTR ModulesManualVersion 2.0.07 Use in Hazardous EnvironmentsThe WAGO I/O SYSTEM 750 (electrical equipment) is designed for use in Zone2 hazardous areas and shall be used in accordance with the marking andinstallation regulations.The following sections include both the general identification of components(devices) and the installation regulations to be observed. The individualsubsections of the “Installation Regulations” section must be taken into account ifthe I/O module has the required approval or is subject to the range of applicationof the ATEX directive.