Pepperl Fuchs FN-LB-I

Surge Protection Barrier

MPN: FN-LB-I
Category: Devices for Signal Line Protection

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Pepperl Fuchs FN-LB-I?

1-channel

Field mount module

½ NPT thread

Stainless steel housing

Max. surge current (8/20 µs) 20 kA

500 V isolation from earth

Suitable for hazardous area

Up to SIL 3 acc. to IEC/EN 61508

1-channel, Field mount module, ½ NPT thread, Stainless steel housing, Max. surge current (8/20 µs) 20 kA, 500 V isolation from earth, Suitable for hazardous area, Up to SIL 3 acc. to IEC/EN 61508

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	098918
Number of protected signal lines	1
Lifecycle	Active (current Pepperl+Fuchs product)

Functional safety related parameters

Safety Integrity Level (SIL)

SIL 3

Supply

Rated voltage	≤ 48 V Ur
Rated current	≤ 250 mA Ir
Leakage current	≤ 5 µA
On-state voltage	≤ 85 V
Ground insulation	≥ 500 V breakdown voltage

Electrical specifications

Total discharge current (8/20 µs)

20 kA Itotal

Conformity

Degree of protection

IEC 60529:2001

Ambient conditions

Ambient temperature

-30 ... 60 °C (-22 ... 140 °F) For usage in hazardous area observe the EC-type examination certificate.

Mechanical specifications

Housing material	Stainless steel 1.4401 (AISI 316)surface all over polished
Degree of protection	IP67
Cable: Length	0.3 m L
Mass	approx. 200 g
Dimensions	AF22 x 77 mm (0.9 x 3 inch)
Width across flats	22
Mounting	NPT1/2 thread

Data for application in connection with hazardous areas

EU-type examination certificate	PTB 00 ATEX 2175
Marking	II 2G EEx ia IIC T6
Voltage	50 V Ui
Maximum leakage current	10 kA line to ground (common), 5 kA line to line (differential) in accordance to IEC 60-2
Nominal response time: Symmetrical	1 ns
Nominal response time: Asymmetric	100 ns
Bandwidth	≥ 40 kHz
Directive conformity: Directive 2014/34/EU	EN 60079-0:2012+A11:2013 , EN 60079-11:2012

International approvals

CSA approval: Control drawing

116-0187 (cCSAus)

General information

Supplementary information

EC-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.

Downloads & documentation

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

Data sheets & manuals

CAD & dimension drawings

3-D model (STEP) F*-LBF-I1.32STP · 104 kB

Certificates (5)

FN-LB-I: frequently asked questions

When can FN-LB-I be shipped?

FN-LB-I 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 FN-LB-I 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 FN-LB-I 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 FN-LB-I, subject to availability and destination.