Safety Data - Burkert PTB 01 ATEX 2175 Manuel D'utilisation

PTB 01 ATEX 2175
Technical data
6.5.5.

Safety data

Group:
Ignition protection type:
Temperature class:
Max. permitted input voltage (U
Max. permitted input current (I
Inductance (L ):
i
Capacity (C ):
i
The maximum permitted voltages and the associated short-
circuit currents can be found in Table A1 in the standard EN
60079-11 for the corresponding gas group.
Ignition protection type Ex ia II C: Coil Type AC21 (example):
U 15 18 20
i
I 0.9 0.44 0.309
i
The coils of type AC21 are available in two versions:
• Version for use with 300 Ω supply module (300 Ω barrier),
• High-resistance version for use with other authorized supply
modules (e.g. 8 x remote I/O from Stahl).
II C
Ex ia
T4, T5 or T6
): 35 V
i
): 0.9 A
i
~ 0
~ 0
22 25 28 30
0.224 0.158 0.12 0.101
Version
Version which
uses 300 Ω
supply module
High-resistance
version
Version for Type
8650
The maximum voltage and current values are specified by
the permitted electrical equipment.
35
0.073
6.5.6. Permitted ambient temperature
The maximum permitted ambient temperature depends on
the power fed in, the temperature class and the installation.
For the appropriate values see chapters "6.5.2" "6.5.3" and
"6.5.4".
Resis- Minimum Minimum
tance clamping current
R20 [Ω] voltage [mA]
[V]
320 9.3 29
475 10.9 23
125 6.1 49
english
Type
EX I / 21
EX I / 22
EX I / 23
11