Pepperl Fuchs

Pepperl Fuchs NBN4-F25K-E8

Inductive sensor

MPN: NBN4-F25K-E8
Category: Inductive Sensors

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Pepperl Fuchs NBN4-F25K-E8?

Direct mounting on standard actuators

Small construction with sturdy plastic housing of protection class IP 67

Plug-in terminals

LED for power on

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): screw terminal , M20 x 1.5 cable gland, Housing material: PBT, Degree of protection: IP67

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	264855
Switching function	2 x normally open (NO)
Output type	PNP
Rated operating distance	4 mm sn
Installation	flush mountable
Output polarity	DC
Assured operating distance	0 ... 3.24 mm sa
Actual operating distance	3.6 ... 4.4 mm typ. sr
Reduction factor rAl	0.5
Reduction factor rCu	0.4
Reduction factor r304	1
Reduction factor rSt37	1.1
Output type	3-wire
Lifecycle	Active (current Pepperl+Fuchs product)

Nominal ratings

Operating voltage	10 ... 30 V DC UB
Switching frequency	0 ... 1000 Hz f
Hysteresis	typ. 5 % H
Reverse polarity protection	reverse polarity protected
Short-circuit protection	pulsing
Voltage drop	≤ 2.5 V Ud
Operating current	0 ... 200 mA IL
Off-state current	0 ... 0.5 mA typ. 0.1 µA at 25 °C Ir
No-load supply current	≤ 22.5 mA I0
Time delay before availability	≤ 100 ms tv
Operating voltage indicator	LED, green
Switching state indicator	LED, yellow

Safety-relevant product characteristics

MTTFd	860 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 Circuitry: Class 2 Power Source Enclosure Type Rating: Type 1 Supply/Switching Voltage: 30 V DC Output Switching Current: 200 mA
CCC approval	CCC approval / marking not required for products rated ≤36 V

Ambient conditions

Ambient temperature	-25 ... 70 °C (-13 ... 158 °F)
Storage temperature	-40 ... 85 °C (-40 ... 185 °F)

Mechanical specifications

Connection (system side)	screw terminal , M20 x 1.5 cable gland
Housing material	PBT
Sensing face	PC
Degree of protection	IP67
Mass	98 g
Tightening torque, fastening screws	M5 x 40 : ≤ 2.7 Nm
Tightening torque, housing screws	M4 x 25 : 2 Nm
Dimensions: Height	37.5 mm
Dimensions: Width	52 mm
Dimensions: Length	69 mm
Note	Mounted on mechanical drive

Downloads & documentation

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

Data sheets & manuals

Datasheet NBN4-F25K-E8PDF

CAD & dimension drawings

3-D model (STEP) NBN4-F25K-2E2STP · 1.5 MB

Certificates (4)

NBN4-F25K-E8: frequently asked questions

When can NBN4-F25K-E8 be shipped?

NBN4-F25K-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 NBN4-F25K-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 NBN4-F25K-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 NBN4-F25K-E8, subject to availability and destination.