Pepperl+Fuchs M-LB-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 ?µs) 20 kA
- Connection via screw terminals
- DIN rail mountable
- Up to SIL 3 acc. to IEC/EN 61508
Item Number:
M-LB-2144
Delivery standard: 3-6 weeks, depending on the country.
Condition: new
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- Comments +
| Number of protected signal lines | 2 | |
| Topology | grounded | |
| Safety Integrity Level (SIL) | SIL 3 | |
| Connection | protected area: terminals 4, 5 unprotected area: terminals 2, 3 shielding/grounding: terminal 1 (optional) | |
| Rated current | 500 mA , restrictions see derating tables UL : 400 mA , restrictions see derating tables | |
| Leakage current | < 6 ?µA at 24 V and 25 ?°C (77 ?°F) , line-line | |
| Nominal voltage | 24 V DC | |
| Maximum continuous operating voltage | 30 V DC | |
| Series resistance | ?‰¦ 3 Ω per line | |
| Impulse rating | 1 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 level | max. 45 V line-line for nominal discharge current In max. 60 V line-earth for nominal discharge current In | |
| Impulse reset time | < 500 ms | |
| Insertion loss | ?‰¦ 3 dB at 0 ... 700 kHz in 100 Ω system | |
| Electromagnetic compatibility | EN 61326-3-1:2017 | |
| Degree of protection | IEC 60529:2013 | |
| Functional safety | IEC/EN 61508:2010 | |
| Surge protective devices for low voltage | IEC 61643-21:2000+A1:2008+A2:2012 | |
| 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 humidity | max. 95 % , without condensation | |
| Corrosion resistance | acc. to ISA-S71.04, severity level G3 | |
| Degree of protection | IP20 , after mounting of the insulation spacer | |
| Connection | screw terminals , max. core cross section 1 x 2.5 mm2 | |
| Material | Polyamide (PA) | |
| Mass | approx. 32 g | |
| Dimensions | 6.2 x 93 x 72.4 mm (0.24 x 3.7 x 2.8 inch) (W x H x D) | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| Certificate | KIWA 19 ATEX 0002 X | |
| Marking | II 3G Ex ec IIC T6...T4 Gc | |
| Temperature class | T6, T5 or T4 , restrictions see derating tables | |
| Directive conformity | ||
| Directive 2014/34/EU | EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 | |
| UL approval | E501704 E501881 | |
| Breakdown voltage | 30 ... 45 V line-line at 100 V/s acc. to UL 497B 30 ... 45 V line-earth at 100 V/s acc. to UL 497B < 1000 V at 100 V/?µs acc. to UL 497B | |
| IECEx approval | ||
| IECEx certificate | IECEx KIWA 19.0002X | |
| IECEx marking | Ex ec IIC T6...T4 Gc | |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. | |
| ECLASS 13.0 | 27171202 | |
| ECLASS 12.0 | 27171202 | |
| ECLASS 11.0 | 27130805 | |
| ECLASS 10.0.1 | 27130805 | |
| ECLASS 9.0 | 27130805 | |
| ECLASS 8.0 | 27130805 | |
| ECLASS 5.1 | 27130801 | |
| ETIM 9.0 | EC000941 | |
| ETIM 8.0 | EC000941 | |
| ETIM 7.0 | EC000941 | |
| ETIM 6.0 | EC000941 | |
| ETIM 5.0 | EC000941 | |
| UNSPSC 12.1 | 39121610 | |
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