Serviceline Industrial Sensors
Serviceline Explosion Protection

Surge Protection Barrier K-LB-2.30

  • 2-channel
  • DIN rail mount module
  • For intrinsically safe or non-intrinsically safe 30 V applications
  • Protects field or control circuit inputs
  • Max. surge current (8/20 µs) 20 kA
  • Uninterruptable operation (auto reset)

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of K-LB-2.30

Product Description
4-line protection
General specifications
Number of protected signal lines4
Electrical specifications
Rated current250 mA
Leakage current< 5 µA at 24 V and 25 °C (77 °F) , line-line
Nominal voltage24 V DC
Maximum continuous operating voltage30 V DC
Series resistance< 0.5 Ω per line
Impulse rating10 kV/5 kA (category C2)
2 kV/2 kA (category D1)
Impulse discharge current (10/350 µs)2 kA per line (2x)
Nominal discharge current (8/20 µs)5 kA per line (10x)
Rated surge current (8/20 µs)10 kA per line (1x)
Total discharge current (8/20 µs)20 kA (1x)
Voltage protection levelmax. 75 V line-line for nominal discharge current In
max. 1.2 kV line-earth for nominal discharge current In
Impulse reset time< 30 ms
Insertion loss≤ 0.05 dB, at 0 ... 4 kHz, in 600 Ω-System
≤ 3 dB, at 0 ... 174 kHz, in 100 Ω-System
Labelingspace for labeling at the front
Degree of protectionIEC 60529:2013
Surge protective devices for low voltageEN 61643-21:2001+A1:2009+A2:2013
IEC 61643-21:2001+A1:2008+A2:2012
Operating conditions
Installation conditions
Mounting locationindoor
Ambient conditions
Ambient temperature-30 ... 80 °C (-22 ... 176 °F)
For usage in hazardous area observe EC-type examination certificate.
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Core cross-section2 x 2.5 mm2
Massapprox. 100 g
Dimensions12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch)
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-Type Examination CertificatePTB 00 ATEX 2176 X
MarkingEx-Hexagon II 2(1)G Ex ia IIC T6/T5/T4
Internal capacitancenegligible
Internal inductance200 µH
CertificatePF 16 CERT 4065 X
MarkingEx-Hexagon II (3)D [Ex ic Dc] IIIC
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012
International approvals
CSA approval
Control drawing116-0187 (cCSAus)
IECEx approval
IECEx certificateIECEx BAS 14.0010X

Documents: K-LB-2.30

ManualsLanguageFile TypeFile Size
Brief instructions Surge Protection BarriersENGPDF876 KB
Functional Safety ManualENGPDF481 KB
Manual Surge Protection BarriersENGPDF1151 KB
Handbuch ÜberspannungsschutzbarrierenGERPDF2002 KB
Kurzanleitung ÜberspannungsschutzbarrierenGERPDF891 KB
Instructions, short instructions, safety information
ИнструкцииBULPDF133 KB
Návod k poużitíCZEPDF125 KB
Instruktions manualDANPDF124 KB
Instruction manualENGPDF56 KB
KasutusjuhendESTPDF120 KB
KäyttöohjeFINPDF119 KB
Manuel d'instructionsFRAPDF61 KB
BetriebsanleitungGERPDF61 KB
Οδηγίες χρήσηςGREPDF0 KB
HandleidingHOLPDF124 KB
Instruction manual / BetriebsanleitungHRVPDF123 KB
Használati útmutatóHUNPDF0 KB
Manuale di istruzioniITAPDF59 KB
Lietošanas pamācībaLAVPDF123 KB
Instrukciju vadovasLITPDF125 KB
Instrukcja obsługiPOLPDF126 KB
Manual de instruçõesPORPDF124 KB
Manual de utilizareRONPDF125 KB
Návod na poużitieSLKPDF0 KB
Navodila za uporaboSLVPDF122 KB
Manual de instruccionesSPAPDF60 KB
ManualSWEPDF122 KB

Approvals+Certificates: K-LB-2.30

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-0968PDF88 KB
Baseefa IECEx Certificate of ConformityIECEx BAS 14.0010XLINK---
Canada, USA CSACoC 1128189PDF62 KB
China NEPSIGYJ 15.1343XPDF1260 KB
EACTC RU C-DE.AA71.B.00140PDF2600 KB
Europe PTB ATEX Category (1) 2PTB 00 ATEX 2176XPDF946 KB
Europe Pepperl+Fuchs ATEX Category (3) DPF 16 CERT 4065 XPDF173 KB
India PESO (India) CCOEA/P/HQ/MH/107/4882 (P386491)PDF1697 KB
exida Functional Safety AssessmentP+F 11-10-085 R036 V1R0PDF477 KB
Control drawings
Control Drawing CSA / Control Drawing CSA   PDF179 KB
Functional Safety Hub from Pepperl+Fuchs

Visit the Functional Safety Hub

Several hundred products with a SIL/PL assessment, free tools, and brochures in one place: the "Functional Safety Hub" is your starting point when you have to implement safety functions.

Intelligent Surge Protection M-LB-5000

Maximize Plant Availability

The M-LB-5000 surge protection system offers a combination of diagnostics and modularity within a narrow housing design of only 6.2 mm width. Explore the easiest way to protect plant assets …

Safety Product Selector for SIL/PL Assessed Products

Safety Product Selector for SIL/PL Assessed Products

Are you looking for a specific product with a SIL/PL assessment? Our selector tool provides you with an overview of safety assessed devices including Safety Integrity Level (SIL) and Performance Level (PL)—give it a try!