Electrical Data - Burkert PTB 07 ATEX 2048 Manuel D'utilisation

7.1.3. Temperature class T4:
max. permissible surface temperature for T4
Max. permis-
Temp. sible ambient
Installation
class temperature
[°C]
-40 ... +90
-40 ... +80
Block
-40 ... +75
installation
-40 ... +70
-40 ... +60
-40 ... +105
-40 ... +100
T4
-40 ... +95
-40 ... +90
Single
valve
-40 ... +85
-40 ... +80
-40 ... +75
-40 ... +70
12
135 °C
Ignition
Max. per-
protec-
missible
tion
output [W]
type
0,4
0,5
0,6
0,7
0,8
0,4
0,5
Ex ia
0,6
0,7
0,8
0,9
1,0
1,1
English

7.2. Electrical data

The flipper valve type 6144 with ignition protection type intrinsic safety
Ex ia IIC must only be connected to certified, intrinsically safe electric
circuits with the following maximum values.
Explo-
sion
Explosion group
group
Category
Temperature class
Max. permissible input voltage (Ui)
Max. permissible input current (li)
Max. permissible input power (Pi)
Power supply voltage:
For the maximum permissible voltages and the corre-
sponding maximum permissible short-circuit currents for
IIC
the respective explosion groups, please see standard EN
60079-11.
Some value pairs for the explosion group IIC are listed as an
example for every ignition protection type.
Valve with ignition protection type intrinsic safety Ex ia IIC.
Voltage
value [V] 15 18
= Ui
Current
value [A] 0,9 0,44 0,309 0,224 0,158 0,120 0,101 0,073
= Ii
07 ATEX 2048
Technical data Single valve
IIC
ia
T6 / T5 / T4
35 V
0.9 A
s ee tables in chapter "Temper-
ature-class-specific data"
20 22 25 28 30 35