Pepperl Fuchs NCN3-F31-N4-K

Inductive sensor

MPN
NCN3-F31-N4-K
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What is the Pepperl Fuchs NCN3-F31-N4-K?

Direct mounting on standard actuators

Fixed setting

Usable up to SIL 2 acc. to IEC 61508

ATEX & IECEX certifications

Extended temperature range, Valve position detection, Suitable for 2:1 technology, Switching function: 2 x normally closed (NC), Output type: NAMUR, Installation: flush mountable, Output type: 2-wire, Construction type: Dual sensor, Series: Dual sensor, Suitable for 2:1 technology, Safety Integrity Level (SIL): SIL 2, Type of voltage: DC, Equipment protection level Ga: IECEx TUN 17.0021X, Equipment protection level Gb: IECEx TUN 17.0021X, Equipment protection level Da: IECEx TUN 17.0021X

Specifications

General specifications

Order code (Pepperl+Fuchs part number)70133351
Switching function2 x normally closed (NC)
Output typeNAMUR
Rated operating distance3 mm sn
Installationflush mountable
Assured operating distance0 ... 2.4 mm sa
Actual operating distance2.7 ... 3.3 mm typ. sr
Actuating elementStainless steel 1.4305 / AISI 303 8.5 mm x 8.5 mm x 0.5 mm
Reduction factor rAl0.5
Reduction factor rCu0.4
Reduction factor r3041
Reduction factor rSt371.3
Reduction factor rBrass0.6
Output type2-wire
LifecycleActive (current Pepperl+Fuchs product)

Nominal ratings

Nominal voltage8.2 V (Ri approx. 1 kΩ) Uo
Switching frequency0 ... 3 kHz f
Hysteresistyp. 5 % H
Reverse polarity protectionreverse polarity protected
Short-circuit protectionyes
Suitable for 2:1 technologyyes , Reverse polarity protection diode not required
Current consumption: Measuring plate not detected≥ 3 mA
Current consumption: Measuring plate detected≤ 1 mA
Time delay before availability≤ 1.1 ms tv
Switching state indicatorLED, yellow

Functional safety related parameters

Safety Integrity Level (SIL)SIL 2
MTTFd1470 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %

Compliance with standards and directives

Standard conformity: NAMUREN 60947-5-6:2000 IEC 60947-5-6:1999
Standard conformity: Electromagnetic compatibilityNE 21:2007
Standard conformity: StandardsEN IEC 60947-5-2

Approvals and certificates

IECEx approval: Equipment protection level GaIECEx TUN 17.0021X
IECEx approval: Equipment protection level GbIECEx TUN 17.0021X
IECEx approval: Equipment protection level DaIECEx TUN 17.0021X
IECEx approval: Equipment protection level MbIECEx TUN 17.0021X
ATEX approval: Equipment protection level GaTÜV 99 ATEX 1479 X
ATEX approval: Equipment protection level GbTÜV 99 ATEX 1479 X
ATEX approval: Equipment protection level DaTÜV 99 ATEX 1479 X
UL approvalcULus Listed Load Type: General Purpose Circuitry: Class 2 Power Source Enclosure Type Rating: Type 1 Supply/Switching Voltage: 8.2 V DC
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0456
CCC approval: Hazardous Location2020322315002262
NEPSI approval: NEPSI certificateGYJ19.1410X

Ambient conditions

Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)

Mechanical specifications

Connection (system side)PVC cable , 5 m
Core cross section (system side)0.75 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP66 / IP67
Cable: Cable diameter6.8 mm ± 0.2 mm
Cable: Bending radius> 10 x cable diameter
Tightening torque, fastening screws≤ 5 Nm
Dimensions: Height33.5 mm
Dimensions: Width65 mm
Dimensions: Length36 mm

General information

Use in the hazardous areasee instruction manuals

NCN3-F31-N4-K: frequently asked questions

When can NCN3-F31-N4-K be shipped?

NCN3-F31-N4-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 NCN3-F31-N4-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 NCN3-F31-N4-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 NCN3-F31-N4-K, subject to availability and destination.

More Pepperl Fuchs parts

Pepperl Fuchs NCN3-F31-N4-KPrice and lead time confirmed within 1 business day
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