Pepperl Fuchs

Pepperl Fuchs NBB2-12GS40-Z4L-3G-3D

Inductive sensor

MPN: NBB2-12GS40-Z4L-3G-3D
Category: Inductive Sensors

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2You get a written quote by email
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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Pepperl Fuchs NBB2-12GS40-Z4L-3G-3D?

2 mm flush

2-wire DC sensor with minimum off-state current

Switching status indicator, yellow LED

ATEX-/IECEx-approvals for zone 2/22 (Ex ec/tc)

Stainless steel housing

Switching function: Normally open (NO), Output type: Two-wire with minimum off-state current, Installation: flush, Output polarity: DC, Output type: 2-wire, Thread mold: M12, Construction type: Cylindrical, thread, Series: Cylindrical type, Type of voltage: DC, Equipment protection level Gc (ec): IECEx TUR 21.0017X, Equipment protection level Dc (tc): IECEx TUR 21.0018X, Equipment protection level Dc (tc): TÜV 20 ATEX 8524 X, Connection type: cable, Housing material: Stainless steel 1.4305 / AISI 303

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	70134926-0001
Switching function	Normally open (NO)
Output type	Two-wire with minimum off-state current
Rated operating distance	2 mm sn
Installation	flush
Output polarity	DC
Assured operating distance	0 ... 1.62 mm sa
Actual operating distance	1.8 ... 2.2 mm typ. sr
Reduction factor rAl	0.3
Reduction factor rCu	0.17
Reduction factor r304	0.7
Output type	2-wire
Lifecycle	Active (current Pepperl+Fuchs product)

Nominal ratings

Operating voltage	4 ... 30 V UB
Switching frequency	0 ... 700 Hz f
Hysteresis	1 ... 10 % typ. 5 % H
Reverse polarity protection	yes
Short-circuit protection	pulsing
Voltage drop	≤ 4 V Ud
Operating current	2 ... 30 mA IL
Lowest operating current	2 mA Im
Off-state current	≤ 200 µA Ir
Switching state indicator	all direction LED, yellow

Safety-relevant product characteristics

MTTFd	1558 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

IECEx approval: Equipment protection level Gc (ec)	IECEx TUR 21.0017X
IECEx approval: Equipment protection level Dc (tc)	IECEx TUR 21.0018X
ATEX approval: Equipment protection level Gc (ec)	TÜV 20 ATEX 8523 X
ATEX approval: Equipment protection level Dc (tc)	TÜV 20 ATEX 8524 X
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: 30 mA
CCC approval: Hazardous Location	2024322315005977 2024322315005859
KCC approval: Hazardous Location	23-AV4BO-0236X

Ambient conditions

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

Mechanical specifications

Connection type	cable
Housing material	Stainless steel 1.4305 / AISI 303
Sensing face	PBT
Degree of protection	IP67
Cable: Wire end ferrules	yes
Cable: Cable diameter	3 mm ± 0.2 mm
Cable: Bending radius	> 10 x cable diameter
Cable: Material	PVC
Cable: Color	grey
Cable: Number of cores	2
Cable: Core cross section	0.14 mm2
Cable: Length	2 m L
Mass	55 g
Dimensions: Length	40 mm
Dimensions: Diameter	12 mm

General information

Scope of delivery	2 self locking nuts in scope of delivery
Use in the hazardous area	see instruction manuals

Downloads & documentation

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

Data sheets & manuals

Certificates (9)

NBB2-12GS40-Z4L-3G-3D: frequently asked questions

When can NBB2-12GS40-Z4L-3G-3D be shipped?

NBB2-12GS40-Z4L-3G-3D 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 NBB2-12GS40-Z4L-3G-3D 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 NBB2-12GS40-Z4L-3G-3D 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 NBB2-12GS40-Z4L-3G-3D, subject to availability and destination.