PEPPERL+FUCHS Inductive proximity sensors are the preferred choice for the majority of applications requiring accurate, non-contact detection of metallic objects in machinery or automation equipment. As a pioneer and market leader, Pepperl+Fuchs offers innovative, high quality inductive sensors to meet the needs of the worldwide automation and process control markets. Our experience, flexibility and customer focus continues to allow us to offer custom designed solutions for the most unique and demanding applications.
| General specifications |
| Switching function |
Normally open/closed (NO/NC) |
| Output type |
Two-wire |
| Rated operating distance |
40 mm |
| Installation |
non-flush |
| Output polarity |
AC/DC |
| Assured operating distance |
0 … 32.4 mm |
| Actual operating distance |
36 … 44 mm typ. 40 mm |
| Reduction factor rAl |
0.37 |
| Reduction factor rCu |
0.3 |
| Reduction factor r304 |
0.73 |
| Reduction factor rFe |
1 |
| Reduction factor rBrass |
0.4 |
| Output type |
2-wire |
| Nominal ratings |
| Switching frequency |
AC, 0 … 30 Hz
DC, 0 … 100 Hz |
| Hysteresis |
1 … 10 typ. 5 % |
| Reverse polarity protection |
reverse polarity tolerant |
| Short-circuit protection |
pulsing |
| Voltage drop |
≤ 5 V (typ. 2V) DC operation
≤ 8 V (typ. 3 V) AC operation |
Momentary current
(20 ms, 0.1 Hz) |
0 … 3000 mA |
| Operating current |
5 … 500 mA |
| Rated operating current |
500 mA 50/60 Hz |
| Lowest operating current |
5 mA |
| Off-state current |
≤ 1.5 mA |
| Usage category |
AC12 , AC140 , DC12 , DC13 |
| Time delay before availability |
≤ 300 ms |
| Operating voltage indicator |
LED, green |
| Switching state indicator |
LED, yellow |
| Error indicator |
flashes when overcurrent |
| Functional safety related parameters |
| MTTFd |
540 a |
| Mission Time (TM) |
20 a |
| Diagnostic Coverage (DC) |
0 % |
| Electrical specifications |
| Rated operating voltage |
24 … 250 V DC / 24 … 230 V AC |
| Operating voltage |
20 … 275 V DC / 20 … 253 V AC |
| 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 |
| Protection class |
II |
| Rated insulation voltage |
250 V |
| Rated impulse withstand voltage |
2.5 kV |
| UL approval |
cULus Listed, General Purpose
“For use in NFPA 79 Applications only”
For overcurrent protection, install a fuse with a rated current of max. 3 A and at least 300 V AC/DC |
| CCC approval |
Ue 75VDC – 250VDC Ue 75VAC – 230VAC |
| Ambient conditions |
| Ambient temperature |
-25 … 85 °C (-13 … 185 °F) |
| Storage temperature |
-25 … 85 °C (-13 … 185 °F) |
| Pollution degree |
3 |
| Mechanical specifications |
| Connection type |
terminal compartment |
| Information for connection |
A maximum of two conductors with the same core cross section may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 % |
| Core cross section |
up to 2.5 mm2 |
| Minimum core cross-section |
without wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm2 |
| Maximum core cross-section |
without wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2 |
| Housing material |
PA 6.6 / metal |
| Sensing face |
PA 6.6 |
| Housing base |
plastic |
| Degree of protection |
IP67 |
| Mass |
255 g |
| Note |
Tightening torque: 1.8 Nm (housing) |
Associated Products: NBN40-U1-UU
| Accessories |
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| Modular mounting bracket
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