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Pepperl Fuchs NBN3-F31-U8-K
Inductive sensor
- MPN
- NBN3-F31-U8-K
- Category
- Inductive Sensors
Price and lead time confirmed within 1 business day
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- 3Approve it and we ship — in-stock parts within 1 business day
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What is the Pepperl Fuchs NBN3-F31-U8-K?
Direct mounting on standard actuators
Compact and stable housing
Fixed setting
Switching function: 2 x normally open (NO), Installation: flush mountable, Output polarity: AC/DC, Output type: 4-wire, Construction type: Dual sensor, Series: Dual sensor, Operating voltage: 20 ... 253 V AC/DC, Connection type: cable, Housing material: PBT, Degree of protection: IP67, Material: PVC
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 188325 |
| Switching function | 2 x normally open (NO) |
| Rated operating distance | 3 mm sn |
| Installation | flush mountable |
| Output polarity | AC/DC |
| Assured operating distance | 0 ... 2.43 mm sa |
| Reduction factor rAl | 0.45 |
| Reduction factor rCu | 0.38 |
| Reduction factor r304 | 1 |
| Reduction factor rSt37 | 1.04 |
| Output type | 4-wire |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Nominal ratings
| Operating voltage | 20 ... 253 V AC/DC UB |
| Switching frequency | 25 Hz f |
| Hysteresis | typ. 3 % H |
| Reverse polarity protection | yes |
| Short-circuit protection | yes |
| Voltage drop | ≤ 8 V Ud |
| Operating current | 4 ... 400 mA IL |
| Off-state current | ≤ 1.7 mA Ir |
| Operating voltage indicator | LED, green |
| Switching state indicator | LED, yellow |
Safety-relevant product characteristics
| MTTFd | 529 a |
| Mission Time (TM) | 20 a |
| Diagnostic Coverage (DC) | 0 % |
Compliance with standards and directives
| Standard conformity: Standards | EN IEC 60947-5-2 |
Approvals and certificates
| Protection class | II |
| Rated insulation voltage | 253 V Ui |
| Rated impulse withstand voltage | 4 kV Uimp |
| UL approval | cULus Listed Load Type: Resistive Enclosure Type Rating: Type 1 |
| CSA approval | cCSAus Listed, General Purpose |
Ambient conditions
| Ambient temperature | -25 ... 70 °C (-13 ... 158 °F) |
Mechanical specifications
| Connection type | cable |
| Housing material | PBT |
| Sensing face | PBT |
| Degree of protection | IP67 |
| Cable: Wire end ferrules | yes |
| Cable: Cable diameter | 5.2 mm ± 0.2 mm |
| Cable: Bending radius | > 10 x cable diameter |
| Cable: Material | PVC |
| Cable: Color | grey |
| Cable: Number of cores | 4 |
| Cable: Core cross section | 0.5 mm2 |
| Cable: Length | 5 m L |
| Tightening torque, fastening screws | ≤ 5 Nm |
| Dimensions: Height | 33.5 mm |
| Dimensions: Width | 65 mm |
| Dimensions: Length | 36 mm |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
CAD & dimension drawings
NBN3-F31-U8-K: frequently asked questions
When can NBN3-F31-U8-K be shipped?
NBN3-F31-U8-K is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up NBN3-F31-U8-K in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for NBN3-F31-U8-K and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for NBN3-F31-U8-K, subject to availability and destination.
More Pepperl Fuchs parts
Pepperl Fuchs NBN3-F31-U8-KPrice and lead time confirmed within 1 business day
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