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K-LB-2.6G Surge Protection Barrier

Key Benefits at a Glance

  • 2-channel
  • Mounting on DIN mounting rail
  • For intrinsically safe or non-intrinsically safe 6 V applications
  • Protects field or control circuit inputs
  • Max. surge current (8/20 µs) 20 kA
  • Uninterruptable operation (auto reset)
  • Up to SIL 3 acc. to IEC/EN 61508

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Please contact us for exact delivery estimation.
Product photo: Surge Protection Barrier K-LB-2.6G
Product photo: Surge Protection Barrier K-LB-2.6G
Approval
Product Compliance: USA - cCSAus
Product Compliance: Europe – CE
Functional Safety: Safety Integrity Level - 3
Approval
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetFunctionClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of K-LB-2.6G

Number of protected signal lines4
Topologygrounded
Safety Integrity Level (SIL)SIL 3
Connectionprotected area: terminals 5, 6; 7, 8
unprotected area: terminals 1, 2; 3, 4
Rated currentIr250 mA
Leakage current< 10 µA at 1 V and 25 °C (77 °F) , line-line
Nominal voltage1 V DC
Maximum continuous operating voltageUc6 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)Iimp2 kA per line (2x)
Nominal discharge current (8/20 µs)In5 kA per line (10x)
Rated surge current (8/20 µs)ISM10 kA per line (1x)
Total discharge current (8/20 µs)Itotal20 kA (1x)
Voltage protection levelUpmax. 90 V line-line for nominal discharge current In
max. 25 V 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
Installation conditions
Mounting locationindoor
Ambient temperature-30 ... 80 °C (-22 ... 176 °F)
For usage in hazardous area observe the EC-type examination certificate.
Relative humidity5 ... 95 %
Degree of protectionIP20
Connectionscrew terminals
Core cross section2 x 2.5 mm2
Massapprox. 100 g
Dimensions12.5 x 115 x 116 mm (0.5 x 4.5 x 4.6 inch) (W x H x D)
Height115 mm
Width12.5 mm
Depth116 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificatePTB 00 ATEX 2176 X
MarkingEx-Hexagon II 2(1)G Ex ia IIC T6/T5/T4
Temperature classT6 for ambient temperature ≤ 50 °C
T5 for ambient temperature ≤ 70 °C
T4 for ambient temperature ≤ 80 °C
VoltageUi6 V
CurrentIi250 mA
Internal capacitanceCinegligible
Internal inductanceLi 200 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
CSA approval
Control drawing116-0187 (cCSAus)
IECEx approval
IECEx certificateIECEx BAS 14.0010X
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
General Notes

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