Sound signaling for Enclosures and Panels: pressurized (Ex p), explosion proof (Ex d), increased safety (Ex e) or with protection against dust ignition (Ex t); in hazardous locations subject to the presence of flammable vapors, gases or dust.
Specifications
Documents
CERTIFICATION: INMETRO.
APPLICATION AREA: Zone 1, 2, 21 e 22, Grups IIA, IIB, IIC, IIIA, IIIB and IIIC.
TYPES OF PROTECTION: Ex db (flameproof); Ex eb (increased safety); Ex mb (encapsulated); Ex tb (against dust ignition).