Explosion-Protection Relevant Information; Ttf350-E1; Ttf350 -E2 - ABB TTF350 Operating Instructions Manual

Explosion-protection relevant information

12 Explosion-protection relevant information
12.1 TTF350-E1 .. H: (intrinsic safety)
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Approved for use in zone 0.
Designation:
• II 1G EEx ia IIC T6
• II 2 (1) G EEx [ia] ib IIC T6
• II 2 G (1D) Ex [iaD] ib IIC T6
Important
The Ex or ignition-proof designation is provided on the name
plate.
EC prototype test certificate: Refer to PTB 05 ATEX2017 X.
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Safety-relevant data
Intrinsically safe EEx ia IIC explosion protection
Max. voltage
Short-circuit current
Max. power
Internal inductance
Internal capacitance
Maximum permissible
external inductance
Maximum permissible
external capacitance
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12.2 TTF350 -E2 .. H: (non-incendive)
Approved for use in zone 2/22.
Designation:
• II 3 G EEx n A II T6
• II 3 D IP 65 T 135 °C
Important
The Ex or ignition-proof designation is provided on the name
plate.
ABB statement of conformity in accordance with ATEX directive.
Temperature table
Temperature Permissible ambient temperature range
class
T6
T5
T4
64
(Zone 0)
(zone 1 [0])
(zone 1 [20])
Supply circuit Measurement current
circuit / passive
transducer (RTD)
U = 30 V U
i
I = 130 mA I
i
P = 0,8 W P
i
L = 0,5 mH L
i
C = 5 nF C
i
L
C
-50 °C ... 56°C
-50 °C ... 71°C
-50 °C ... 85°C
Temperature table
Temperature
class
T6
T5
T4
Measurement current
circuit / active
transducer (RTD)
= 6,5 V U
o
= 25 mA I
o o
= 38 mW P
o
= 0 mH L
i
= 49 nF C
i
= 5 mH L
o
= 1,55 µF C
o
TTF350
Permissible ambient temperature range
Device category 1
use
-50 ... 44 °C
-50 ... 56 °C
-50 ... 84 °C
Display interface
= 1,2 V U
o
= 50 mA I
o
= 60 mW P
o o
= 0 mH L
i i
= 49 nF C
i
= 5 mH L
o o
= 1,05 µF C
o
Device category 2 use
-50 ... 56 °C
-50 ... 71 °C
-50 ... 85 °C
= 6,2 V
o
= 65,2 mA
= 101 mW
= 0 mH
= 0 nF
i
= 5 mH
= 1,4 µF
o
OI/TTF350-EN