Datasheet

PEPPERL+FUCHS GmbH www.pepperl-fuchs.com
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany [phone] • USA [phone] • Singapore [phone] • Internet http://www.pepperl-fuchs.com
1
Inductive proximity switches
NCN8-18GM40-N0
2004-03-01 – 106326_ENG.xml
Comfort series
8 mm not embeddable
Usable up to SIL 2 acc. to
IEC 61508
40
37
M18x1
10
4
24
LED
General specifications
Switching element function NAMUR NC
Rated operating distance s
n
8 mm
Installation not embeddable
Assured operating distance s
a
0 ... 6,48 mm
Reduction factor r
Al
0,42
Reduction factor r
Cu
0,4
Reduction factor r
V2A
0,72
Nominal ratings
Nominal voltage U
o
8 V
Switching frequency f 0 ... 500 Hz
Hysteresis H 1 ... 15 typ. 5 %
Reverse polarity protection Protected against reverse polarity
Short circuit protection yes
Current consumption
Measuring plate not detected ≥ 3 mA
Measuring plate detected ≤ 1 mA
Indication of the switching state all direction LED, yellow
Standard conformity
EMC in accordance with EN 60947-5-2; NE 21
Standards DIN EN 60947-5-6 (NAMUR)
Ambient conditions
Ambient temperature -25 ... 100 °C (248 ... 373 K)
Storage temperature -40 ... 100 °C (233 ... 373 K)
Mechanical specifications
Connection type 2 m, PVC cable
Core cross-section 0.75 mm²
Housing material high grade steel
Sensing face PBT
Protection degree IP67
General information
Use in the hazardous area see instruction manuals
Category 1G; 2G; 3G; 1D
Connection type:
1/BN
N/N0
I
L+
L-
2/BU
0102