The enclosures EJB serie are normally installed in the industrial plants, with potential hazardous atmospheres of gases and combustible dusts, and therefore classified as Zone 1 - 2 - 21 -22.
These enclosures are primarily used with the function of:
• Enclosures for terminals and bus-bars
• Enclosures for fuses, trasformers, ballast and other electrical equipment with indipendent functionality.
• Control stations and monitoring units.
• Distribution boards for power and lighting systems.
• Motor starters in variuos configurations.
Enclosure for terminals usefor ambient temperature from -60°C up to +40°C
II 2 GD Ex d IIB+H2 T6 - tD A21 T85°C IP 66
Technical data
These enclosures are made in die cast aluminium, lower and upper pression, with light alloy copper free (lower at 0.1% of copper).
The cover is endowed with a series of screws in stainless steel AISI 304 A2 70, to boxed hexagon, distributed on the perimeter of the cover, for the closing in safety and, on request, with perimetral gasket suitable for mantain the IP 66 degree of protection.
The models with inspection window are equipped with a tempered glass and internal flange for fixing, only for F8 and F9 size windows.
Outside and inside the enclosure, are provided a M6 screws for earthing connections and relative star washers in AISI 304 stainless steel.
The enclosure is provided of aluminium internal plate.
Normal finishing consist of external coating painting with epoxy powder, our standard grey RAL 9006.
Accessories and special execution on request
• Special external coating painting off-shore, as per client specification
• Internal anticondensation coating painting, our std. Orange RAL 2004
• Special internal anticondensation coating painting, as per client colour specification.
• Drain valve
• Breather valve
• Special hardware in stainless steel AISI 316 A4
• Out of standard thread
Thread and hubs
• ISO 261/ISO 965 Metric thread
• ANSI-ASME B20.1 NPT thread
• UNI EN 10226-2 Conic gas thread
