Module M-LB-Ex-5211 Pepperl+Fuchs 256924
Module M-LB-Ex-5211 Pepperl+Fuchs 256924

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Pepperl+Fuchs M-LB-Ex-5211 256924

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

M-LB-Ex-5211

Part number

256924

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)
  • Status indication output
  • Mounting on base module, pluggable
  • Up to SIL 3 acc. to IEC 61508

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Specifications M-LB-Ex-5211 256924

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 has LEDs for the status indication. If required, this status is transferred to the corresponding function module via a status indication output. 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-5211 256924

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
Supply
Connectionvia Universal Power Rail M-UPR-03-S
Nominal voltagesee power feed module M-LB-5300
Current&le, 8 mA
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
Output
Status indicationfault and maintenance signal via Universal Power Rail M-UPR-03-S
Galvanic isolation
Signal lines/fault indication outputreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Signal lines/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elementsLED PWR (power supply), green LED LED FLT (fault signal), red LED LED CHK (maintenance signal), yellow LED
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
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 ... 60 °C (-40 ... 140 °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 3(1)G Ex ec [ia Ga] IIC T4 Gc II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
Voltage6 V
Current500 mA , restrictions see derating characteristics
Internal capacitancenegligible
Internal inductance18 µ,H
Supply
Maximum safe voltage60 V AC/DC (Attention! The rated voltage can be lower.)
Fault indication output
Maximum safe voltage60 V AC/DC (Attention! The rated voltage can be lower.)
Galvanic isolation
Signal lines/fault indication outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Signal lines/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-7:2015 , EN 60079-11:2012
International approvals
IECEx approval
IECEx certificateIECEx BVS 17.0061X
IECEx markingEx ec [ia Ga] IIC T4 Gc [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 - power feed module M-LB-5300 - fault status module M-LB-5400 - maintenance status module M-LB-5500 - universal power rail M-UPR-03-S - place holder module M-LB-Ex-5900 - separation wall M-UPR-I