WAGO-I/O-SYSTEM 750 XTR Use in Hazardous Environments 53750-537/040-000 8DO 24 VDC 0.5A Diagn XTRManualVersion 1.1.18.2 Installation RegulationsFor the installation and operation of electrical equipment in hazardous areas, thevalid national and international rules and regulations which are applicable at theinstallation location must be carefully followed.8.2.1 Special Notes including Explosion ProtectionThe following warning notices are to be posted in the immediately proximity of theWAGO I/O SYSTEM 750 (hereinafter “product”):WARNING – DO NOT REMOVE OR REPLACE FUSED WHILE ENERGIZED!WARNING – DO NOT DISCONNECT WHILE ENERGIZED!WARNING – ONLY DISCONNECT IN A NON-HAZARDOUS AREA!Before using the components, check whether the intended application ispermitted in accordance with the respective printing. Pay attention to anychanges to the printing when replacing components.The product is an open system. As such, the product must only be installed inappropriate enclosures or electrical operation rooms to which the followingapplies:• Can only be opened using a tool or key• Inside pollution degree 1 or 2• In operation, internal air temperature within the range of 0 °C ≤ Ta ≤ +55 °Cor −20 °C ≤ Ta ≤ +60 °C for components with extension number …/025-xxxor −40 °C ≤ Ta ≤ +70 °C for components with extension number …/040-xxx• Minimum degree of protection: min. IP54 (acc. to EN/IEC 60529)• For use in Zone 2 (Gc), compliance with the applicable requirements of thestandards EN/IEC/ABNT NBR IEC 60079-0, -7, -11, -15• For use in Zone 22 (Dc), compliance with the applicable requirements ofthe standards EN/IEC/ABNT NBR IEC 60079-0, -7, -11, -15 and -31• For use in mining (Mb), minimum degree of protection IP64 (acc. EN/IEC60529) and adequate protection acc. EN/IEC/ABNT NBR IEC 60079-0 and-1• Depending on zoning and device category, correct installation andcompliance with requirements must be assessed and certified by a “NotifiedBody” (ExNB) if necessary!