Pepperl Fuchs NBN3-F31K-E8
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Quick facts
| Availability | Confirmed on request |
| Category | Inductive Sensors |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can NBN3-F31K-E8 be shipped?
NBN3-F31K-E8 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-F31K-E8 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-F31K-E8 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-F31K-E8, subject to availability and destination.
Inductive sensor. Valve position detection, Switching function: 2 x normally open (NO), Output type: PNP, Installation: flush mountable, Output polarity: DC, Output type: 4-wire, Construction type: Dual sensor, Series: Dual sensor, Operating voltage: 10 ... 30 V DC, Type of voltage: DC, Connection (system side): Cage tension spring terminals, Housing material: PBT, Degree of protection: IP67. Switching function: 2 x normally open (NO). Output type: PNP. Rated operating distance: 3 mm. Installation: flush mountable. Output polarity: DC. Assured operating distance: 0 ... 2.43 mm. Actual operating distance: 2.7 ... 3.3 mm typ.. Reduction factor rAl: 0.5. Reduction factor rCu: 0.4. Reduction factor r304: 1. Reduction factor rSt37: 1.2. Output type: 4-wire. Operating voltage: 10 ... 30 V DC. Switching frequency: 0 ... 500 Hz. Hysteresis: typ. 5 %. Reverse polarity protection: all connections. Short-circuit protection: pulsing. Voltage drop: ≤ 3 V. Operating current: 0 ... 100 mA. Off-state current: 0 ... 0.5 mA typ. 0.1 µA. No-load supply current: ≤ 25 mA. Operating voltage indicator: LED, green. Switching state indicator: LED, yellow. MTTFd: 780 a. Mission Time (TM): 20 a. Diagnostic Coverage (DC): 0 %. Standard conformity: . StandardsEN IEC 60947-5-2: . Standards: EN IEC 60947-5-2. UL approval: cULus Listed Load Type: Resistive Circuitry: Class 2 Power Source Enclosure Type Rating: Type 1 Supply/Switching Voltage: 30 V DC Output Switching Current: 100 mA. CCC approval: CCC approval / marking not required for products rated ≤36 V. Ambient temperature: -25 ... 70 °C (-13 ... 158 °F). Connection (system side): Cage tension spring terminals. Core cross section (system side): 1.5/2.5 mm2 flexible/rigid. Housing material: PBT. Sensing face: PBT. Degree of protection: IP67. Tightening torque, fastening screws: ≤ 5 Nm. Tightening torque, housing screws: 1 Nm. Tightening torque, cable gland: M20 x 1.5 ; max. 7 Nm. Dimensions: . Height35.5 mmWidth65 mmLength77.5 mm: . Height: 35.5 mm. Width: 65 mm. Length: 77.5 mm
Specifications
General specifications
| Switching function | 2 x normally open (NO) |
| Output type | PNP |
| Rated operating distance | 3 mm sn |
| Installation | flush mountable |
| Output polarity | DC |
| Assured operating distance | 0 ... 2.43 mm sa |
| Actual operating distance | 2.7 ... 3.3 mm typ. sr |
| Reduction factor rAl | 0.5 |
| Reduction factor rCu | 0.4 |
| Reduction factor r304 | 1 |
| Reduction factor rSt37 | 1.2 |
| Output type | 4-wire |
Nominal ratings
| Operating voltage | 10 ... 30 V DC UB |
| Switching frequency | 0 ... 500 Hz f |
| Hysteresis | typ. 5 % H |
| Reverse polarity protection | all connections |
| Short-circuit protection | pulsing |
| Voltage drop | ≤ 3 V Ud |
| Operating current | 0 ... 100 mA IL |
| Off-state current | 0 ... 0.5 mA typ. 0.1 µA Ir |
| No-load supply current | ≤ 25 mA I0 |
| Operating voltage indicator | LED, green |
| Switching state indicator | LED, yellow |
Functional safety related parameters
| MTTFd | 780 a |
| Mission Time (TM) | 20 a |
| Diagnostic Coverage (DC) | 0 % |
Compliance with standards and directives
| Standard conformity | |
| StandardsEN IEC 60947-5-2 | Standards |
| Standards | EN IEC 60947-5-2 |
Approvals and certificates
| UL approval | cULus Listed Load Type: Resistive Circuitry: Class 2 Power Source Enclosure Type Rating: Type 1 Supply/Switching Voltage: 30 V DC Output Switching Current: 100 mA |
| CCC approval | CCC approval / marking not required for products rated ≤36 V |
Ambient conditions
| Ambient temperature | -25 ... 70 °C (-13 ... 158 °F) |
Mechanical specifications
| Connection (system side) | Cage tension spring terminals |
| Core cross section (system side) | 1.5/2.5 mm2 flexible/rigid |
| Housing material | PBT |
| Sensing face | PBT |
| Degree of protection | IP67 |
| Tightening torque, fastening screws | ≤ 5 Nm |
| Tightening torque, housing screws | 1 Nm |
| Tightening torque, cable gland | M20 x 1.5 ; max. 7 Nm |
| Dimensions | |
| Height35.5 mmWidth65 mmLength77.5 mm | Height |
| Height | 35.5 mm |
| Width | 65 mm |
| Length | 77.5 mm |
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