ABB VA Master FAM540 Series - Safety Specifications ATEX; Iecex; Special Conditions for Type of Protection Ex Td (Dust Explosion Protection)

14 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
Safety specifications ATEX / IECEx
Special conditions for type of protection ‘Ex td’ (dust explosion protection)
Model FAM54xB/C/D/E/Fx
The following differing temperature data applies to usage in areas with combustible dust.
Order code Ambient temperature T
amb
Maximum permissible measuring medium temperature T
medium
A4, A9, B1 −50 °C to +60 °C 250 °C
−50 °C to +40 °C 340 °C
−50 °C to +20 °C 430 °C
Table 1: Analog indicator with transmitter, with / without LCD indicator
Model FAM54xE/Fx
Type of protection: flameproof enclosure, intrinsic safety, non-sparking equipment, dust explosion protection.
Order
code*
Marking Terminals Electrical values T
amb
−20 °C to (−50 °C to )
Temp. class T
medium
Maximum
Insulation
A4, A9 ATEX:
II 1/2 G Ex h ia IIC T4 ... T1 Ga/Gb
II 1/3 G Ex ec h ic T6 ... T1Ga/Gc
II 2 D Ex h tb IIIC T85°C ... Tmedium Db
IECEx:
Ex h ia IIC T4 ... T1 Ga/Gb
Ex ec h ic IIC T6 ... T1Ga/Gc
Ex h tb IIIC T85°C ... Tmedium Db
31 / 32
**
U
i
= 30 V
I
i
= 110 mA
P
i
= 770 mW
C
i
= 5.3 nF
L
i
= 266 µH
40 °C T1 440 °C No
40 °C T1 375 °C yes
40 °C T1 260 °C yes
50 °C T1 300 °C yes
50 °C T2 290 °C yes
50 °C T2 220°C yes
41 / 42
**
U
i
= 30 V
I
i
= 30 mA
P
i
= 115 mW
C
i
= 4.8 nF
L
i
= 133 µH
60 °C T2 320 °C No
60 °C T2 230 °C yes
60 °C T3 170 °C yes
70 °C T3 195 °C No
70 °C T3 150 °C yes
70 °C T4 125 °C yes
A9 ATEX:
II 1/2 G Ex db h IIC T6 ... T1 Ga/Gb
II 1/2 G Ex h ia IIC T4 ... T1 Ga/Gb
II 1/3 G Ex ec h ic IIC T6 ... T1 Ga/Gc
II 2 D Ex h tb IIIC T85°C ... Tmedium Db
IECEx:
Ex db h IIC T6 ... T1 Ga/Gb
Ex h ia IIC T4 ... T1 Ga/Gb
Ex ec h ic IIC T6 ... T1 Ga/Gc
Ex h tb IIIC T85°C ... Tmedium Db
31 / 32
***
U
max
= 46 V 40 °C T1 440 °C No
40 °C T1 375 °C yes
40 °C T1 260 °C yes
50 °C T1 300 °C yes
50 °C T2 290 °C yes
50 °C T2 220°C yes
41 / 42
***
U
max
= 30 V
I
max
= 30 mA
P
max
= 115 mW
60 °C T2 320 °C No
60 °C T2 230 °C yes
60 °C T3 170 °C yes
60 °C T4 130 °C yes
60 °C T5 95 °C yes
60 °C T6 80 °C yes