8 VA Master FAM540 METAL CONE VARIABLE AREA FLOWMETER | OI/FAM540-EN REV. E
… 2 Use in potentially explosive atmospheres in accordance with ATEX and IECEx
… Device overview
Ex marking
Note
• Depending on the design, a specific marking in accordance with ATEX or IECEx applies.
• ABB reserves the right to modify the Ex-marking. Refer to the name plate for the exact marking.
Model FAM54xAx (analog indicator without alarm signaling unit)
Marking Type of protection Order code* Limit value table
ATEX II 1/2 G Ex h T6 ... T1 Gb Constructional safety A4, A9, B1 Table 5 on page 19
II 2 D Ex h T85°C ... Tmedium Db Constructional safety
II 2 D Ex h tb IIIC T85°C ... Tmedium Db Dust-explosion protection
* Order code ‘Explosion protection and approvals’ (versions 9, 10); refer to Ordering information in the data sheet on page 62.
Model FAM54xB/C/Dx (analog indicator with alarm signaling unit)
Marking Type of protection Order code* Limit value table
ATEX II 1/2 G Ex h ia IIC T6 ... T1 Ga/Gb Intrinsically Safe A4 Table 2 on page 16
II 1/3 G Ex ec h IIC T6 ... T1 Ga/Gc Non-sparking materials Table 4 on page 18
II 2D Ex h tb IIIC T85°C ... Tmedium Db Dust-explosion protection Table 2 on page 16,
Table 4 on page 18
IECEx Ex h ia IIC T6 ... T1 Ga/Gb Intrinsically Safe Table 2 on page 16
Ex ec h IIC T6 ... T1 Ga/Gc Non-sparking materials Table 4 on page 18
Ex h tb IIIC T85°C ... Tmedium Db Dust-explosion protection Table 2 on page 16,
Table 4 on page 18
ATEX II 1/2 G Ex db h IIC T6 ... T1 Ga/Gb Flameproof / Explosion-Proof A9 Table 3 on page 17
II 1/2 G Ex h ia IIC T6 ... T1 Ga/Gb Intrinsically Safe Table 2 on page 16
II 1/3 G Ex ec h IIC T6 ... T1 Ga/Gc Non-sparking materials Table 4 on page 18
II 2 D Ex h tb IIIC T85°C ... Tmedium Db Dust-explosion protection Table 2 on page 16,
Table 3 on page 17,
Table 4 on page 18
IECEx Ex db h IIC T6 ... T1 Ga/Gb Flameproof / Explosion-Proof Table 3 on page 17
Ex h ia IIC T6 ... T1 Ga/Gb Intrinsically Safe Table 2 on page 16
Ex ec h IIC T6 ... T1 Ga/Gc Non-sparking materials Table 4 on page 18
Ex h tb IIIC T85°C ... Tmedium Db Dust-explosion protection Table 2 on page 16,
Table 3 on page 17,
Table 4 on page 18
ATEX II 1/3 G Ex ec h IIC T6 ... T1 Ga/Gc Non-sparking materials B1 Table 4 on page 18
II 2 D Ex h tb IIIC T85°C ... Tmedium Db Dust-explosion protection Table 4 on page 18
IECEx Ex ec h IIC T6 ... T1 Ga/Gc Non-sparking materials Table 4 on page 18
Ex h tb IIIC T85°C ... Tmedium Db Dust-explosion protection Table 4 on page 18
* Order code ‘Explosion protection and approvals’ (versions 9, 10); refer to Ordering information in the data sheet on page 62.
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