The enclosures GUB and GUBW 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:
• Cable termination unions, with terminals for derivation or change section cables.
• Protection of electric circuits, with automatic thermo-magnetic circuit breaker (MCB or MCCB) and earth leakage device.
• Protection of electric circuits, with On-Load wsitches.
• components as fuse holders, ballast, transformers etc. etc.
The enclosures in “W” versions are provided with a thread cover and inspec-tion window with temperate glass.
Type of protection II 2 GD Ex d IIC T6 ÷ T3
Technical data
These enclosures are made in die cast aluminium,(shell) with light alloy copper free ( lower at 0.1% of copper).
The cover are equipped with security stop in AISI 304 A2 and gasket (O-Ring) suitable for ambient temperature from –60°C up to + 130°C.
The models with inspection window (GUBW series) are equipped with a tempered glass and internal flange for fixing.
Outside and inside the enclosure, are provided a M6 screws for earthing connections and relative star washers in AISI 304 stainless steel.
Accessories and special execution on request
• External coating painting with epoxy powder, our std. Grey RAL 9006.
• Special external coating painting off-shore, as per client specification.
• Internal anticondensation coating painting, our std. Orange RAL 2004.
• Drain valve.
• Breather valve.
• Special hardware in stainless steel AISI 316 A4.
• Out of standard thread.
• Aluminium internal plate.
