Product Details:
Manufacturer : Pepperl+Fuchs
Product No. : NBN40-U1K-N0
Product Type : Inductive Sensor
Features:
- Sensor head bidirectional and rotatable
- 40 mm non-flush
Technical data
1. General specifications
Switching function: Normally closed (NC)
Output type: NAMUR
Rated operating distance: 40 mm
Installation: non-flush
Assured operating distance: 0 ... 32.4 mm
Actual operating distance: 36 ... 44 mm
Reduction factor rAl: 0.45
Reduction factor rCu: 0.45
Reduction factor r304: 0.8
Output type: 2-wire
2. Nominal ratings
Nominal voltage: 8.2 V (Ri approx. 1 kΩ)
Switching frequency: 0 ... 100 Hz
Hysteresis: 1 ... 15 typ. 5 %
Reverse polarity protection: reverse polarity protected
Short-circuit protection: yes
Current consumption
Measuring plate not detected: ≥ 3 mA
Measuring plate detected: ≤ 1 mA
Switching state indicator: LED, yellow
3. Functional safety related parameters
MTTFd: 1415 a
Mission Time (TM): 20 a
Diagnostic Coverage (DC): 0 %
4. Compliance with standards and directives
Standard conformity
NAMUR: EN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibility: NE 21:2007
Standards: EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
5. Ambient conditions
Ambient temperature: -25 ... 100 °C (-13 ... 212 °F)
Storage temperature: -40 ... 100 °C (-40 ... 212 °F)
6. Mechanical specifications
Connection type: screw terminals
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 , stripped insulation length: 7 mm
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
Connection (system side): screw terminals , M20 x 1.5 cable gland , usable thread length 9.1 mm , screw-in depth max. 9.1 mm
Housing material: PA
Sensing face: PA
Degree of protection: IP66 / IP68 / IP69K
Mass: 225 g
Dimensions
Height: 40 mm
Width: 40 mm
Length: 118 mm
Note: Tightening torque: 1.8 Nm (housing)
7. General information
Use in the hazardous area: see instruction manuals

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Company Introduction:
Achievers Automation Limited has more than 10 years experience in the market of Industrial Automation, specialized in reselling factory sealed Probe, Sensor, DCS,isolator barrier, HMI, PLC,Adapter,Profibus connector and cable from Brands as BENTLY NEVADA, Endress+Hauser, YOKOGAWA,MTL,Allen-Bradley, Pepperl+Fuchs,Rosemount, ASCO, Schneider, Lenze, Pro-face, Mitsubishi, Omron, Lenze, Delta, Honeywell, Siemens and etc. If you have any request, please do not hesitate to contact us.
FAQ of Achievers
Q:Are the Products Genuine OEM Units?
A: These items have been certified by Achievers Automation Limited to be genuine OEM Units obtained through OEM or independent third-party channels.
Q:How will you arrange shipment?
A: We can arrange shipment based on your request. We have cooperated forwader who can arrange shipment via FedEx, DHL,TNT with good price.
Q:What is the warranty of goods?
A: One-year Warranty.