Pepperl+Fuchs M-LB-Ex-2144
Surge Protection Barrier
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- Surge protection barrier for 2 signal lines
- Nominal voltage 24 V DC
- Surge protection barrier for grounded signal lines
- Max. surge current (8/20 µ-s) 20 kA
- Connection via screw terminals
- DIN rail mountable
- Up to SIL 3 acc. to IEC 61508
- Overview +
- Comments +
Relative humidity | max. 95 % , without condensation |
Impulse reset time | < 500 ms |
Insertion loss | ≤ 3 dB at 0 ... 700 kHz in 100 Ω system |
Impulse rating | 1 kV/0.5 kA (category C1) 10 kV/5 kA (category C2) 1 kA (category D1) |
Maximum continuous operating voltage | 30 V DC |
Mass | approx. 32 g |
Voltage protection level | max. 45 V line-line for nominal discharge current In max. 60 V line-earth for nominal discharge current In |
Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
Surge protective devices for low voltage | IEC 61643-21:2000+A1:2008+A2:2012 |
EU-type examination certificate | KIWA 19 ATEX 0003 X |
Degree of protection | IP20 , after mounting of the insulation spacer |
Rated current | 500 mA , restrictions see derating characteristics |
Impulse discharge current (10/350 µs) | 1 kA per line (2x) |
Safety Integrity Level (SIL) | SIL 3 |
Material | Polyamide (PA) |
Total discharge current (8/20 µs) | 20 kA (1x) , overstressed fault mode 3 acc. to IEC 61643-21 |
Nominal voltage | 24 V DC |
Leakage current | < 6 µA at 24 V and 25 ?Β°C (77 ?Β°F) , line-line |
Functional safety | IEC/EN 61508:2010 |
Designation | - insulation spacer M-LB-2800 - terminal block USLKG5 |
Nominal discharge current (8/20 µs) | 5 kA per line (10x) |
Connection | screw terminals , max. core cross section 1 x 2.5 mm2 |
Ambient temperature | -40 ... 80 ?Β°C (-40 ... 176 ?Β°F) Observe the temperature range limited by derating, see section derating. |
Storage temperature | -40 ... 85 ?Β°C (-40 ... 185 ?Β°F) |
Topology | grounded |
Number of protected signal lines | 2 |
Connection | protected area: terminals 4, 5 unprotected area: terminals 2, 3 shielding/grounding: terminal 1 (optional) |
Dimensions | 6.2 x 72.4 x 93 mm |
Electromagnetic compatibility | EN 61326-3-1:2017 |
Series resistance | ≤ 3 Ω per line |
Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
Degree of protection | IEC 60529:2013 |
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