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Surge Protection Barrier M-LB-2645

M-LB-2645
  • Surge protection for 3 signal lines
  • Nominal voltage 24 V DC
  • Surge protection barrier for non-grounded signal lines
  • Max. surge current (8/20 µs) 20 kA
  • Connection via screw terminals
  • DIN rail mountable
  • Up to SIL 3 acc. to IEC/EN 61508

Please 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.

Scarica il Datasheet completo in formato PDF:

English

Estratto del Datasheet: Dati tecnici del  M-LB-2645

General specifications
Number of protected signal lines3
Topologynon-grounded
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Electrical specifications
Connectionprotected area: terminals 4, 5, 6
unprotected area: terminals 1, 2, 3
Rated current400 mA , restrictions see derating tables
Leakage current< 10 µA at 24 V and 25 °C (77 °F) , line-line
Nominal voltage24 V DC
Maximum continuous operating voltage30 V DC
Series resistance≤ 3 Ω 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 µs)1 kA per line (2x)
Nominal discharge current (8/20 µs)5 kA per line (10x)
Total discharge current (8/20 µs)20 kA (1x) , overstressed fault mode 3 acc. to IEC 61643-21
Voltage protection levelmax. 45 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≤ 3 dB at 0 ... 180 kHz in 100 Ω system
Conformity
Electromagnetic compatibilityEN 61326-3-1:2017
Degree of protectionIEC 60529:2013
Functional safetyIEC/EN 61508:2010
Surge protective devices for low voltageIEC 61643-21:2000+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
Corrosion resistanceacc. to ISA-71.04, severity level G3
Mechanical specifications
Degree of protectionIP20 , after mounting of the insulation spacer
Connectionscrew terminals , max. core cross section 1 x 2.5 mm2
MaterialPolyamide (PA)
Massapprox. 30 g
Dimensions6.2 x 93 x 71,8 mm (0.24 x 3.7 x 2.8 inch) (W x H x D)
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

Classifications

SystemClasscode
ECLASS 13.027171202
ECLASS 12.027171202
ECLASS 11.027130805
ECLASS 10.0.127130805
ECLASS 9.027130805
ECLASS 8.027130805
ECLASS 5.127130801
ETIM 9.0EC000941
ETIM 8.0EC000941
ETIM 7.0EC000941
ETIM 6.0EC000941
ETIM 5.0EC000941
UNSPSC 12.139121610
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