Pepperl Fuchs

Pepperl Fuchs NBN3-F31-E8-K

Inductive sensor

MPN: NBN3-F31-E8-K
Category: Inductive Sensors

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What is the Pepperl Fuchs NBN3-F31-E8-K?

Direct mounting on standard actuators

Fixed setting

Valve position detection, Switching function: 2 x normally open (NO), Output type: PNP, Installation: flush mountable, Output polarity: DC, Output type: 3-wire, Construction type: Dual sensor, Series: Dual sensor, Operating voltage: 10 ... 30 V DC, Type of voltage: DC, Connection (system side): PVC cable 5 m, Housing material: PBT, Degree of protection: IP67

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	047568
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	3-wire
Lifecycle	Active (current Pepperl+Fuchs product)

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 at 25 °C Ir
No-load supply current	≤ 25 mA I0
Time delay before availability	≤ tv
Operating voltage indicator	LED, green
Switching state indicator	LED, yellow

Safety-relevant product characteristics

MTTFd	780 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

UL approval	cULus Listed Load Type: General Purpose 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)	PVC cable 5 m
Core cross section (system side)	0.75 mm2
Housing material	PBT
Sensing face	PBT
Degree of protection	IP67
Cable: Cable diameter	6.8 mm ± 0.2 mm
Cable: Bending radius	> 10 x cable diameter
Tightening torque, fastening screws	≤ 5 Nm
Dimensions: Height	33.5 mm
Dimensions: Width	65 mm
Dimensions: Length	36 mm

Downloads & documentation

Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.

Data sheets & manuals

Datasheet NBN3-F31-E8-KPDF

CAD & dimension drawings

Certificates (4)

NBN3-F31-E8-K: frequently asked questions

When can NBN3-F31-E8-K be shipped?

NBN3-F31-E8-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-E8-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-E8-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-E8-K, subject to availability and destination.