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.
