Data Sheet

1
Inductive sensor NBB20-U1-A2-T
Release date: 2017-03-22 14:56 Date of issue: 2017-03-22 296370_eng.xml
Germany: [phone]Pepperl+Fuchs Group
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
USA: [phone] Singapore: [phone]
www.pepperl-fuchs.com [e-mail] [e-mail]
[e-mail]
Model Number
NBB20-U1-A2-T
Features
• Sensor head bidirectional and rotat-
able
• 20 mm flush
•4-wire DC
• 4 LEDs indicator for 360° visibility
• Temperature range
-25 ... 100 °C (-13 ... 212 °F)
Accessories
V1-M20-80
Receptacles, M12/M20; plastic version
MHW 01
Modular mounting bracket
MH 04-2681F
Mounting aid for VariKont, +U1+ and +U9*
Technical Data
General specifications
Rated operating distance s
n
20 mm
Installation flush
Output polarity DC
Assured operating distance s
a
0 ... 16.2 mm
Reduction factor r
Al
0.33
Reduction factor r
Cu
0.31
Reduction factor r
304
0.74
Reduction factor r
Brass
0.41
Output type 4-wire
Nominal ratings
Operating voltage U
B
10 ... 30 V DC
Switching frequency f 0 ... 440 Hz
Hysteresis H typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection pulsing
Volta ge drop U
d
≤ 2 V
Operating current I
L
0 ... 200 mA
Off-state current I
r
0 ... 0.5 mA
No-load supply current I
0
≤ 20 mA
Time delay before availability t
v
80 ms
Operating voltage indicator LED, green
Switching state indicator LED, yellow
Functional safety related parameters
MTTF
d
1230 a
Mission Time (T
M
) 20 a
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection type screw terminals
Core cross-section ≤ 2.5 mm
2
Housing material PA/metal with epoxy powder coating
Sensing face PA
Housing base plastic
Degree of protection IP68 / IP69K
Mass 225 g
Note Tightening torque: 1.8 Nm (housing)
Tightening torque: 1.0 Nm (Screw terminal)
Compliance with standards and directives
Standard conformity
Standards
EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
EAC conformity TR CU 020/2011
UL approval cULus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V
Dimensions
6046
118
30
40
40
LED ye
LED ye
LED gn
LED gn
5.3
M20 x 1.5