Pepperl Fuchs LB1101A

Digital Input

MPN
LB1101A
Price and lead time confirmed within 1 business day
Request a Quote

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

What happens next
  1. We check stock, condition and lead time
  2. You get a written quote by email
  3. Approve it and we ship — in-stock parts within 1 business day
  • 12-month warranty (new) · 3-month (used/refurbished)
  • 30-day returns, no restocking fee on unused parts
  • Ships via
  • 100% positive eBay feedback

Have spare Pepperl Fuchs parts? We buy surplus →

What is the Pepperl Fuchs LB1101A?

2 channels

Inputs Ex ia

Mounting in Zone 2, Class I/Div.2 or in the safe area

Dry contact or NAMUR inputs

Galvanic isolation between channels and the bus

Positive or negative logic selectable

Simulation mode for service operations (forcing)

Line fault detection (LFD)

Permanently self-monitoring

Module can be exchanged under voltage

2 channels, Inputs Ex ia, Mounting in Zone 2, Class I/Div.2 or in the safe area, Dry contact or NAMUR inputs, Explosion protection: Ex ia, Connection: NAMUR sensor, Connection [2]: volt-free contact, Connection [3]: active binary signal 24 V DC

Specifications

Slots

Order code (Pepperl+Fuchs part number)254620
Occupied slots1
LifecycleActive (current Pepperl+Fuchs product)

Supply

Connectionbackplane bus
Rated voltage12 V DC , only in connection with the power supplies LB9*** Ur
Power dissipation0.65 W
Power consumption0.65 W

Electrical specifications

Galvanic isolationGalvanic isolation between channels

Internal bus

Connectionbackplane bus
Interfacemanufacturer-specific bus to standard com unit

Digital input

Number of channels2
Sensor interface: ConnectionNAMUR sensor
Sensor interface: Connection [2]volt-free contact
Sensor interface: Connection [3]active binary signal 24 V DC
Connectionchannel I: 1+, 2/3-; channel II: 4+, 5/6-
Rated valuesacc. to EN 60947-5-6 (NAMUR)
Switching point/switching hysteresis1.2 ... 2.1 mA / ± 0.2 mA
Voltage8.2 V
Internal resistor1 kΩ Ri
Line fault detectioncan be switched on/off for each channel via configuration tool
Connectionmechanical switch with additional resistors (see connection diagram) proximity sensors without additional wiring
Short-circuit< 360 Ω
Open-circuit< 0.35 mA
Minimum pulse duration20 ms

Indicators/settings

LED indicationPower LED (P) green: supply Status LED (1, 3) red: line fault (per channel) Status LED (2, 4) yellow: signal (per channel)
Codingoptional mechanical coding via front socket

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EUEN 61326-1:2013

Conformity

Electromagnetic compatibilityNE 21
Degree of protectionIEC 60529
Environmental testEN 60068-2-14
Shock resistanceEN 60068-2-27
Vibration resistanceEN 60068-2-6
Damaging gasEN 60068-2-42
Relative humidityEN 60068-2-78

Ambient conditions

Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Relative humidity95 % non-condensing
Altitudemax. 2000 m
Shock resistanceshock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18
Vibration resistancefrequency range 10 ... 150 Hz; transition frequency: 57.56 Hz, amplitude/acceleration ± 0.075 mm/1 g; 10 cycles frequency range 5 ... 100 Hz; transition frequency: 13.2 Hz amplitude/acceleration ± 1 mm/0.7 g; 90 minutes at each resonance
Damaging gasdesigned for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3

Mechanical specifications

Degree of protectionIP20 when mounted on backplane
Connectionremovable front connector with screw flange (accessory) wiring connection via spring terminals (0.14 ... 1.5 mm2) or screw terminals (0.08 ... 1.5 mm2)
Massapprox. 110 g
Dimensions: Height100 mm
Dimensions: Width16 mm
Dimensions: Depth102 mm

Data for application in connection with hazardous areas

EU-type examination certificatePTB 03 ATEX 2042 X
MarkingII (1)G [Ex ia Ga] IIC [exsign] II (1)D [Ex ia Da] IIIC [exsign] I (M1) [Ex ia Ma] I
Input: Voltage12.6 V Uo
Input: Current12.8 mA Io
Input: Power40.1 mW (linear characteristic) Po
CertificatePF 08 CERT 1234 X
MarkingII 3 G Ex nA IIC T4 Gc
Galvanic isolation: Input/power supply, internal bussafe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Directive conformity: Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020 EN 60079-11:2012 EN 60079-15:2010

International approvals

ATEX approvalPTB 03 ATEX 2042 X
UL approvalE106378
IECEx approval: IECEx certificateIECEx BVS 09.0037X
IECEx approval: IECEx markingEx nA [ia Ga] IIC T4 Gc [Ex ia Da] IIIC [Ex ia Ma] I

General information

System informationThe module has to be mounted in appropriate backplanes (LB9***) in Zone 2 or outside hazardous areas. Here, observe the corresponding declaration of conformity. For use in hazardous areas (e. g. Zone 2, Zone 22 or Div. 2) the module must be installed in an appropriate enclosure.
Supplementary informationEC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com.

LB1101A: frequently asked questions

When can LB1101A be shipped?

LB1101A 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 LB1101A 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 LB1101A 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 LB1101A, subject to availability and destination.

More Pepperl Fuchs parts

Pepperl Fuchs LB1001A – Digital Input
Pepperl Fuchs
LB1001A

Digital Input

Pepperl Fuchs LB1003A – Frequency / Counter Input
Pepperl Fuchs
LB1003A

Frequency / Counter Input

Pepperl Fuchs LB1008A – Digital Input
Pepperl Fuchs
LB1008A

Digital Input

Pepperl Fuchs LB1009A – Digital Input
Pepperl Fuchs
LB1009A

Digital Input

Pepperl Fuchs LB1103A – Frequency / Counter Input
Pepperl Fuchs
LB1103A

Frequency / Counter Input

Pepperl Fuchs LB1108A – Digital Input
Pepperl Fuchs
LB1108A

Digital Input

Pepperl Fuchs LB1109A – Digital Input
Pepperl Fuchs
LB1109A

Digital Input

Pepperl Fuchs LB2016E – Digital Output with Position Feedback
Pepperl Fuchs
LB2016E

Digital Output with Position Feedback

Pepperl Fuchs LB1101APrice and lead time confirmed within 1 business day
Request a Quote