Pepperl Fuchs NRB20-U1-A2 Data Sheet
Inductive sensor NRB20-U1-A2
Technical Data
General specifications
Switching element function PNP NO/NC
Model Number
NRB20-U1-A2
Inductive sensor
Features
• Sensor head bidirectional and rotatable
• 20 mm flush
• Reduction factor = 1
• Magnetic field resistant
• 4 LEDs indicator for 360° visibility
Accessories
MHW 01
Modular mounting bracket
MH 04-2681F
Mounting aid for VariKont, +U1+ and +U9*
Rated operating distance s
Installation flush
Output polarity switched high
Assured operating distance sa0 ... 16.2 mm
Actual operating distance s
Reduction factor rAl 1
Reduction factor r
Reduction factor r
Reduction factor r
Nominal ratings
Operating voltage UB10 ... 30 V DC
Switching frequency f 0 ... 100 Hz
Hysteresis H 3 ... 15 %
Reverse polarity protection reverse polarity protected
Short-circuit protection pulsing
Vol tag e d rop Ud≤ 2.5 V
Operating current I
Off-state current I
No-load supply current I
Time delay before availability t
Constant magnetic field B 200 mT
Alternating magnetic field B 200 mT
Operating voltage indicator LED, green
Switching state indicator LED, yellow
Functional safety related parameters
MTTFd 880 a
Mission Time (T
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 70 °C (-13 ... 158 °F)
Storage temperature -40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Connection type screw terminals
Information for connection A maximum of two conductors with the same core cross-section
Core cross-section up to 2.5 mm
Minimum core cross-section
Maximum core cross-section
Housing material PA/metal with epoxy powder coating
Sensing face PA 6 Grivory GVN-35H
Housing base plastic
Degree of protection IP67
Mass 225 g
Note Tightening torque: 1.8 Nm (housing)
Compliance with standards and directives
Stan dard conf ormit y
Sta ndar ds
Approvals and certificates
Protection class II
Rated insulation voltage U
Rated impulse withstand voltage U
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V
1
Cu
1
304
1
St37
) 20 a
M
20 mm
n
18 ... 22 mm typ. 20 mm
r
0 ... 200 mA
L
0 ... 0.5 mA typ. 0.01 mA
r
≤ 25 mA
0
80 ms
v
may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 %
without wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm
without wire end ferrule 2.5 mm
EN 60947-5-2:2007
IEC 60947-5-2:2007
60 V
i
800 V
imp
2
2
, with connector sleeves 1.5 mm
2
2
Release date: 2016-09-29 11:33 Date of issue: 2016-10-10 212691_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
1
Inductive sensor NRB20-U1-A2
Dimensions
LED ye
40
LED gn
Electrical Connection
LED gn
LED ye
M20 x 1.5
118
6046
5.3
30
40
1
4
2
3
L+
L-
Release date: 2016-09-29 11:33 Date of issue: 2016-10-10 212691_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2
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