Seite 9
Design und Spezifikationen können ohne Ankündigung geändert werden
Installationsanleitung 5850-020
www.baumer.com/process
Ex ia IIC T5, ATEX II 1G - Installation
A Level Switch LFFS-1xx is Ex ia IIC T5, ATEX II 1G approved for
application in hasardous areas in accordance with the current EU-
directives. The product must be installed in accordance with prevailing
guidelines for zone 0 with a barrier.
A certified Ex ia or isolation barrier with the maximum values
U
max
= 30 VDC ; I
max
= 0.1 A ; P
max
= 0.75 W must be used.
Ex-data
Supply range
24...30 VDC
Temperature class
T1...T5:
See table 1
Internal inductivity
L
i
< 10 µH
Internal capacity
C
i
< 33 nF
Barrier data
U < 30 VDC ; I < 0.1 A ; P
< 0.75 W
Conditions for Ex-Certification (Table 1)
Note {2}: Provided that the sensor tip at the instrument is the only part in contact with the media.
Note {3}: Max. allowed media temperature.
22...120VDC or
90...253 VAC
NO
COM
NC
PNP out
-
+
A
B
1
2
3
C
Safe area
Zone 0/1
Level Switch LFFS
Isolating Module
PROFSI3-B25100-ALG-LS
NB: Only valid for PNP output
Connection Type
Tamb °C
Media Temp. max. °C
Note
Std. & 3A/DN38
-40...85
85
-40...60
95
{2}
-40...40
115
{2}
Sliding 100 mm
-40...85
85
-40...60
150
{2}
-40...40
175
{2}
Sliding 250 mm
-40...85
85
-40...60
195
{2}
-40...40
200
{2} {3}
