Burkert Type 6144 - Manual (Page 15)

15
07 ATEX 2048
English
Technical data Double valve
8.1.3. Temperature class T4:
max. permissible surface temperature for T4 135 °C
Temp.
class
Max. permis-
sible ambient
temperature
[°C]
Installation
Max. per-
missible
output per
coil [W] Ignition
protec-
tion
type
Explo-
sion
group
T4
-40 ... +85
Block
installation
0,4
Ex ia IIC
-40 ... +75 0,5
-40 ... +65 0,6
-40 ... +55 0,7
-40 ... +50 0,8
-40 ... +40 0,9
-40 ... +35 1,0
-40 ... +100
Single
valve
0,4
-40 ... +95 0,5
-40 ... +90 0,6
-40 ... +85 0,7
-40 ... +75 0,8
-40 ... +70 0,9
-40 ... +65 1,0
8.2. 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.
Explosion group
IIC
Category ia
Temperature class T6 / T5 / T4
Max. permissible input voltage (Ui) 35 V
Max. permissible input current (li) 0.9 A
Max. permissible input power (Pi) see tables in chapter „Temper-
ature-class-specific data“
The indicated power values for Pi apply to the individual
coils and not to the entire device.
Power supply voltage:
For the maximum permissible voltages and the corre-
sponding maximum permissible short-circuit currents for
the respective explosion groups, please see standard EN
60079-11.