Pepperl Fuchs M-LB-2144

Surge Protection Barrier. 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, Modularity: one-piece, Number of protected signal lines: 2, Topology: grounded, Safety Integrity Level (SIL): SIL 3, Nominal voltage: 24 V DC, Nominal discharge current (8/20 µs): 5 kA per line (10x). 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-71.04, 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 GcTemperature classT6, T5 or T4 , restrictions see derating tables: . Marking: II 3G Ex ec IIC T6...T4 Gc. Temperature class: T6, T5 or T4 , restrictions see derating tables. Directive conformity: . Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018: . Directive 2014/34/EU: EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018. UL approval: E501704 E501881. Breakdown voltageUBR30 ... 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: UBR. 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 certificateIECEx KIWA 19.0002XIECEx markingEx ec IIC T6...T4 Gc: . 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.

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