Germany: +49 621 776-4411
Consider the General Notes on the Information in the Pepperl+Fuchs Product Catalogs
Pepperl+Fuchs Group
fa-info@de.pepperl-fuchs.com
USA: +1 330 486 0001
fa-info@us.pepperl-fuchs.com
Singapore: +65 6779 9091
fa-info@sg.pepperl-fuchs.com
Copyright Pepperl+Fuchs
Date of issue 07/30/2012
245
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
NAMUR, NC
Type of voltage
DC
Nominal voltage
8.2
V (R
i
approx. 1 k
)
Ambient temperature
-25 ... 100
°C (-13 ... 212 °F)
Connection type
screw terminals
Model Number
NJ20+U1+N
NJ20+U4+N
NBB20-U4K-N0
NBN40-U2K-N0
NBN40-U4K-N0
Rated operating distance
20
mm
● ● ●
40
mm
● ●
Installation
flush
●
non-flush
● ●
● ●
Current consumption
Measuring plate not detected
2.2
mA
● ● ●
3
mA
● ●
Measuring plate detected
1
mA
● ● ● ● ●
Switching frequency
0 ... 100
Hz
0 ... 150
Hz
● ●
● ●
0 ... 300
Hz
●
Indication of the switching state LED, yellow
● ● ●
Housing material
plastic housing / plastic base
●
●
plastic housing / metal base
● ●
●
Protection degree
IP68
● ●
IP68 / IP69K
● ● ●
Use in the Hazardous Area
Use in the hazardous area
see instruction manuals
● ● ● ● ●
Category
1
G; 2G; 1D
● ●
1
G; 2G; 3G
● ● ●
2
G
Approvals and Certificates
Control drawing
116-0165
F
● ●
UL approval
cULus Listed, General Pur-
pose
● ● ● ● ●
CSA approval
cCSAus Listed, General Pur-
pose
● ● ● ● ●
CCC approval
Products with a maximum operating voltage of
36
V do not bear a CCC
marking because they do not require approval.
Dimensions
Length L [mm]
Width W [mm]
Height H [mm]
Connector area l
c
[
mm]
0
(
M20
x 1.5)
0
(1/2"
NPT)
MHW 01
Modular mounting bracket
MH 04-2681F
Mounting aid for VariKont, +U1+ and +U9*
MH 04-2057B
Mounting aid for VariKont and +U1+
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 (NAMUR)
Flexible VariKont housing
Up to 40 mm, flush and non-flush
mountable versions
DC, NAMUR interface
Terminal compartment
ATEX approval up to zone 0 / zone
20
Further Products
In this series, we offer the following additional pro-
ducts:
NJ40+U1+N
NJ40+U2+N
NJ40+U4+N
Technical data like NJ20+U1+N but:
asymmetric head 55 mm x 55 mm
Rated operating distance: 40 mm
Housing base:
PBT with M20 thread (NJ40+U1+N)
PBT with 1/2“ NPT thread (NJ40+U2+N)
metal with 1/2“ NPT thread (NJ40+U4+N)
Properties
Your Benefit
1
L+
L-
2
NBB20-U4K-N0
NBN40-U4K-N0
NJ20+U1+N
NJ20+U4+N
NJ40+U1+N
NJ40+U4+N
NBN40-U2K-N0
NJ40+U2+N
0102