User's Manual
NAMUR Sensors with ATEX-Marking Categorie 2G
No. 865 856 E Edition 0910
Mounting Bore-Hole
Example using BES 516-300-S327-S4-N:
d1: Ø of bore for switch head
H8
+0,022
Ø 10
= Ø10
d2: nominal thread diameter M12x1 6H
L:
recommended screw–in depth in steel L
0.8x12 = 9.6
To ensure sealing under extremely high pressure,
switches are equipped with O-Ring and Teflon support
ring
Technical Data
Characteristic Data
Effective operating dist. S
r
Nominal Sensing Distance s
Repetition R max
Electrical Data
Operating voltage U
i max
Current draw undamped
min
Effective Internal Capcitance C
Effective Internal Inductance L
Protected against miswiring
Short circuit protected
Mechanical Data
Housing Material
IP protection acc. to IEC 60529
Connection version
Remarks
For use only with suitable approved switching amplifier or
processor, if the following maximum values not be
exceeded: Ui = 15 V; li = 50 mA; Pi = 120 mW.
Further technical data see datasheet
0.8xd
2
1,5 mm
1,5 mm
n
5,0%
9 V DC
4 mA
30 nF
i max
0,5 mH
i max
yes
yes
Stainless Steel:1.4104
IP 68 acc. BWN Pr 20
M12-connector
2