Sundstrom SR 520 Instrucciones De Uso página 25

Equipment category (2 = High level of protection for
2 D
Zone 21, D = Dust).
Ex Explosion protected.
ib Type of protection (Intrinsic safety).
IIA Gas group (Propane).
IIB Gas group (Ethylene).
Dust material group (zone with conductive dust).
IIIC
Temperature class, gas (maximum surface tempera-
T3
ture +200°C).
T195°C Temperature class, dust (maximum surface tempera-
ture +195°C).
Gb Equipment Protection Level, gas (high protection).
Equipment Protection Level, dust (high protection).
Db
IECEx-codes:
Ex ib IIA T3 Gb (SR 540 EX).
Ex ib IIB T3 Gb (SR 520 and SR 530).
Ex ib IIIC T195°C Db (SR 520, SR 530 and SR 540 EX).
Key to IECEx markings:
Explosion protected.
Ex
ib Type of protection (Intrinsic safety).
IIA Gas group (Propane).
IIB Gas group (Ethylene).
Dust material group (zone with conductive dust).
IIIC
Temperature class, gas (maximum surface tempera-
T3
ture +200°C).
T195°C Temperature class, dust (maximum surface tempera-
ture +195°C).
Gb Equipment Protection Level, gas (high protection).
Equipment Protection Level, dust (high protection).
Db
Type approvals in accordance with ATEX Directive and IECEx
Scheme have been issued by Notified Body No. 0470. NEMKO
AS, Gaustadalléen 30, N-0314 Oslo, Norway.
Australian StandardsMark
The hoods SR 520 and SR 530 and the face shield SR 540 EX
are tested according to AS/NZS 1716:2012.
The StandardsMark is issued under licence by SAI Global
Certification Services Pty Limited Lic No.766 (ACN 108 716
669) ("SAI Global").
Visors AS/NZS
• The PC visor for the SR 540 EX has been tested to AS/NZS
1337:1992, high impact V.
• The PETG visor for the SR 540 EX has been tested to AS/
NZS 1337:1992, medium impact I.
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