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Consider the General Notes on the Information in the Pepperl+Fuchs Product Catalogs
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Copyright Pepperl+Fuchs
Date of issue 07/30/2012
229
For detailed data and product description refer to the data sheets at
Proximity Sensors,
Inductive Sensors,
rectangular types
1
.1.2
Technical Data
Electrical Connection
Wh
L
H
lc
W
General Data
Switching element function PNP
NO/NC
Operating voltage
10 ... 30
V DC
No-load supply current
25
mA
Reverse polarity protection
✔
Switching frequency
0 ... 100
Hz
Operating current
0 ... 200
mA
Short-circuit protection
pulsing
Operating voltage display
LED, green
Indication of the switching state LED, yellow
Ambient temperature
-25 ... 70
°C (-13 ... 158 °F)
Housing material
PA/metal with epoxy powder coating
Housing base
plastic
Protection degree
IP67
Connection type
screw terminals
Model Number
NRB20-U1-A2
NRN40-U1-A2
Rated operating distance
20
mm
●
40
mm
●
Installation
flush
●
non-flush
●
Approvals and Certificates
Protection class
II
●
●
UL approval
cULus Listed, General Purpose
●
●
CSA approval
cCSAus Listed, General Purpose
●
●
CCC approval
Products with a maximum operating voltage of
36
V do not bear a CCC mar-
king because they do not require approval.
Dimensions
Length L [mm]
118
Width W [mm]
40
Height H [mm]
40
Connector area l
c
[
mm]
0 (
M20 x 1.5 )
MHW 01
Modular mounting bracket
MH 04-2681F
Mounting aid for VariKont, +U1+ and +U9*
This and more accessories can be found in chapter 10
See pages from 974 ... for cordsets
See pages 1074 ... for mounting aids
Accessories
Inductive sensor
VariKont series, reduction factor 1
Flexible VariKont housing
20
mm, flush and 40 mm, non-flush
mountable versions
DC, 4-wire switching output
Terminal compartment
Same sensing range for all metals
All-around visible status display
Sensor head can be aligned in 5 dif-
ferent positions
Properties
Your Benefit
1
L+
L-
4
2
3
NRB20-U1-A2
NRN40-U1-A2
