Products that are EEx e II and EEx i approvedTerminal blocks and strips exposed to potential explosive environment need special approvals and are tested at a higher level than normal terminal blocks.
WAGO offers self-extinguishing terminal blocks in both EEx e (increased safety) and EEx i (intrinsically safe) for conductors up to 95 mm².
All terminal blocks used in intrinsically safe current circuits ”Ex i“
All terminal blocks used in hazardous environments “Ex e II“
Hazardous environments are areas in which the atmosphere may become explosive.