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M-LB-Ex-2142 Surge Protection Barrier
Panoramica dei principali vantaggi
- Surge protection barrier for 2 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
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Nota
Tutti i documenti relativi ai prodotti, come ad esempio certificati, dichiarazioni di conformità ecc., pubblicati prima della conversione con il nome Pepperl+Fuchs GmbH o Pepperl+Fuchs AG, si applicano anche a Pepperl+Fuchs SE.
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Dati tecnici di M-LB-Ex-2142
| Number of protected signal lines | 2 | |
| Topology | non-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 | Ir | 500 mA , restrictions see derating tables UL : 400 mA , restrictions see control drawing |
| Leakage current | < 3 µA at 24 V and 25 °C (77 °F) , line-line | |
| Nominal voltage | 24 V DC | |
| Maximum continuous operating voltage | Uc | 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) | Iimp | 1 kA per line (2x) |
| Nominal discharge current (8/20 µs) | In | 5 kA per line (10x) |
| Total discharge current (8/20 µs) | Itotal | 20 kA (1x) , overstressed fault mode 3 acc. to IEC 61643-21 |
| Voltage protection level | Up | max. 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 ... 900 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) | ||||||||||
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| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | ||||||||||
| EU-type examination certificate | KIWA 19 ATEX 0003 X | |||||||||||||||||||
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| Directive conformity | ||||||||||||||||||||
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II 2(1)G Ex ia [ia Ga] IIC T6...T4 Gb | UL approval | E501704 E501881 | ||||||||||
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| IECEx approval | |||||||||||
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| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
