Module M-LB-Ex-5111 Pepperl+Fuchs 256915
Module M-LB-Ex-5111 Pepperl+Fuchs 256915

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Pepperl+Fuchs M-LB-Ex-5111 256915

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

M-LB-Ex-5111

Part number

256915

Type

Module

Description

  • Surge protection for 1 signal line
  • Nominal voltage 1 V DC
  • Protection module for non-grounded signal lines
  • Max. surge current (8/20 µ,s) 10 kA
  • Uninterruptable operation (auto reset)
  • Mounting on base module, pluggable
  • Up to SIL 3 acc. to IEC 61508

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Specifications M-LB-Ex-5111 256915

The protection module limits induced transients of different causes, e. g. lightning or switching operations. The limitation is achieved by diverting the current to earth and limiting the signal circuit voltage during the duration of the overvoltage pulse. The device is used in applications where more than 2 signal lines have to be protected, e. g. in applications with 3-wire resistance thermometers or 4-/6-wire measuring bridges. The device is HART transparent. The device is inserted onto the base module and forms the surge protection barrier together with the base module. The device can be replaced without tools by a locking lever.

Features M-LB-Ex-5111 256915

Product Description
Protection module for 1 signal line
General specifications
Number of protected signal lines1
Topologynon-grounded
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Electrical specifications
Connectionprotected area: terminal 4 unprotected area: terminals 1, 2, 3
Rated current500 mA , restrictions see derating characteristics
Leakage current< 5 µ,A x (number of used modules - 1) at 1 V and 25 °C (77 °F) . line-line
Nominal voltage1 V DC
Maximum continuous operating voltage6 V DC
Series resistance&le, 0.6 &Omega, per line
Impulse rating1 kV/0.5 kA (category C1) 10 kV/5 kA (category C2) 1 kA (category D1)
Impulse discharge current (10/350 µ,s)1 kA per line (2x)
Nominal discharge current (8/20 µ,s)5 kA per line (10x)
Rated surge current (8/20 µ,s)10 kA per line (1x)
Total discharge current (8/20 µ,s)10 kA (1x)
Voltage protection levelmax. 22 V line-line for nominal discharge current In max. 1400 V line-earth for nominal discharge current In
Impulse reset time< 500 ms
Insertion loss&le, 0.05 dB, at 0 ... 4 kHz, in 600 &Omega,-System &le, 3 dB, at 0 ... 350 kHz, in 100 &Omega,-System
Conformity
Degree of protectionIEC 60529:2013
Functional safetyIEC/EN 61508:2010
Surge protective devices for low voltageEN 61643-21:2001+A1:2009+A2:2013 IEC 61643-21:2001+A1:2008+A2:2012
Ambient conditions
Ambient temperature-40 ... 80 °C (-40 ... 176 °F) Observe the temperature range limited by derating, see section derating.
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Relative humiditymax. 95 % , without condensation
Mechanical specifications
Degree of protectionIP20
Massapprox. 20 g
Dimensions6.2 x 77 x 79 mm
Mountingpluggable in base module for mounting on 35 mm DIN mounting rail
Data for application in connection with hazardous areas
EU-type examination certificateBVS 17 ATEX E 069 X
Marking II 2(1)G Ex ia [ia Ga] IIC T6...T4 Gb II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
Temperature classT6 for ambient temperature &le, 60 °C T5 for ambient temperature &le, 70 °C T4 for ambient temperature &le, 80 °C
Voltage6 V
Current500 mA , restrictions see derating characteristics
Internal capacitancenegligible
Internal inductance18 µ,H
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012
International approvals
IECEx approval
IECEx certificateIECEx BVS 17.0061X
IECEx markingEx ia [ia Ga] IIC T6...T4 Gb [Ex ia Da] IIIC [Ex ia Ma] I
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Accessories
Designationsystem components: - base module with screw terminals M-LB-Ex-5000 - base module with spring terminals M-LB-Ex-5000.SP - place holder module M-LB-Ex-5900 - separation wall M-UPR-I