Sira certified under directive 94/9/EC (ATEX) for Group II, Category 2, G and D. The enclosure has been certified to give a large
measure of flexibility based on Power Dissipation and are suitable for Zone 1, 2 (Gases) Zone 21 and 22 (Dusts).
Product complies with standards EN 50014, EN 50019 and EN 50281-1-1
CERTIFICATE NUMBER: Sira 99ATEX3154
PROTECTION CONCEPT: EEx e II T* T___OC**
(* and ** see tables opposite)
AMBIENT TEMPERATURE: -45OC to +40OC (T6)
-45OC to +55OC (T5)
-45OC to +60OC (T5)
-45OC to +55OC (T4)
POWER DISSIPATION LIMIT: Depends on ambient temperature
range required see tables
INGRESS PROTECTION: IP66
MATERIALS STANDARD: Mild Steel, Hot Dipped, Galvanised
SPECIAL: Stainless Steel 316, Chemically
Polished
COVER SCREWS: Stainless Steel A4 80 captive
FINISH STANDARD: Hot Dipped Galvanised
SPECIAL: Zinc spray, Epoxy resin or Paint
(any colour)
WEIGHT: See schedule against box reference
CABLE ENTRIES: Due to variations possible in entry patterns by way to gland size and quantity it is usually
necessary to check each application to determine the enclosure size required. However a table
based on 20mm clearance holes is given below as a guide together with gland plate apertures.
Top and Bottom gland plates are fitted as standard, Side gland plates are optional extra. Covers
are fitted with exclusively designed concealed stainless steel double action lift off hinges.
Padlocking facility is fitted as standard. Internal and External earth stud assemblies are 10mm.
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