Pepperl Fuchs NBB20-U4K-N0

Inductive sensor

MPN
NBB20-U4K-N0
Price and lead time confirmed within 1 business day
Request a Quote
  1. 1We check stock, condition and lead time
  2. 2You get a written quote by email
  3. 3Approve it and we ship — in-stock parts within 1 business day

A real person replies, typically within 1 business day — see our privacy policy.

  • 12-month warranty (new) · 3-month (used/refurbished)
  • 30-day returns, no restocking fee on unused parts
  • 100% positive eBay feedback
  • Ships via

Have spare Pepperl Fuchs parts? We buy surplus →

What is the Pepperl Fuchs NBB20-U4K-N0?

Sensor head bidirectional and rotatable

20 mm flush

2 LEDs indicator for 360° visibility

Extended temperature range, Switching function: Normally closed (NC), Output type: NAMUR, Installation: flush, Output type: 2-wire, Construction type: VariKont ®, Series: VariKont ®, Type of voltage: DC, Equipment protection level Ga: IECEx PTB 11.0021X, Equipment protection level Gb: IECEx PTB 11.0021X, Equipment protection level Da: IECEx PTB 11.0021X, Equipment protection level Ga: PTB 00 ATEX 2032 X, Equipment protection level Gb: PTB 00 ATEX 2032 X

Specifications

General specifications

Order code (Pepperl+Fuchs part number)70133134
Switching functionNormally closed (NC)
Output typeNAMUR
Rated operating distance20 mm sn
Installationflush
Assured operating distance0 ... 16.2 mm sa
Actual operating distance18 ... 22 mm typ. 20 mm sr
Reduction factor rAl0.33
Reduction factor rCu0.31
Reduction factor r3040.74
Output type2-wire
LifecycleActive (current Pepperl+Fuchs product)

Nominal ratings

Nominal voltage8.2 V (Ri approx. 1 kΩ) Uo
Switching frequency0 ... 300 Hz f
Hysteresistyp. 5 % H
Reverse polarity protectionreverse polarity protected
Short-circuit protectionyes
Current consumption: Measuring plate not detected≥ 2.2 mA
Current consumption: Measuring plate detected≤ 1 mA
Switching state indicatorLED, yellow

Functional safety related parameters

MTTFd1697 a

Safety-relevant product characteristics

MTTFd1697 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 PTB 11.0021X
IECEx approval: Equipment protection level GbIECEx PTB 11.0021X
IECEx approval: Equipment protection level DaIECEx PTB 11.0021X
ATEX approval: Equipment protection level GaPTB 00 ATEX 2032 X
ATEX approval: Equipment protection level GbPTB 00 ATEX 2032 X
ATEX approval: Equipment protection level DaPTB 00 ATEX 2032 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 drawing116-0451
CCC approval: Hazardous Location2020322315002303
CML approvalon request

Ambient conditions

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

Mechanical specifications

Connection typescrew terminals
Information for connectionA 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 sectionup to 2.5 mm2
Minimum core cross-sectionwithout wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2
Maximum core cross-sectionwithout wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2
Housing materialPA/metal
Sensing facePA
Degree of protectionIP68 / IP69K
Mass225 g
Dimensions: Height40 mm
Dimensions: Width40 mm
Dimensions: Length118 mm
NoteTightening torque: 1.8 Nm (housing)

General information

Use in the hazardous areasee instruction manuals

NBB20-U4K-N0: frequently asked questions

When can NBB20-U4K-N0 be shipped?

NBB20-U4K-N0 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 NBB20-U4K-N0 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 NBB20-U4K-N0 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 NBB20-U4K-N0, subject to availability and destination.

More Pepperl Fuchs parts

Pepperl Fuchs NBB20-U4-UU – Inductive sensor
Pepperl Fuchs
NBB20-U4-UU

Inductive sensor

Pepperl Fuchs NBB20-U4-Z2 – Inductive sensor
Pepperl Fuchs
NBB20-U4-Z2

Inductive sensor

Pepperl Fuchs NBB3-V3-E0 – Inductive sensor
Pepperl Fuchs
NBB3-V3-E0

Inductive sensor

Pepperl Fuchs NBB3-V3-E1 – Inductive sensor
Pepperl Fuchs
NBB3-V3-E1

Inductive sensor

Pepperl Fuchs NBB20-U4K-N0Price and lead time confirmed within 1 business day
Request a Quote