Protection module for M-LB-Ex-4242.M 2-channel surge protection isolator
Protection module for 2 signal lines, rated voltage 24 V, protection module for unearthed signal lines, maximum surge current (8/20 µs) 20 kA.
- Original Factory Genuine, Tenfold Compensation for Counterfeits
- Full Machine Warranty, Lifetime Maintenance
- In Stock, Shipped on the Same Day
Pepperl+Fuchs M-LB-Ex-4242.M protection module for 2-channel surge protection isolator, protection module for 2 signal lines, rated voltage 24 V, protection module for ungrounded signal lines, maximum surge current (8/20 µs) 20 kA, continuous operation (automatic reset).
For lightning and switching overvoltage protection of signal lines, power lines and fieldbus lines between hazardous areas and safe areas, DIN rail or field enclosure mounting, directly connected in series in instrument loops, DCS/PLC I/O and bus trunk/spur lines.
| Parameter Name | Technical Specifications |
|---|---|
| General specifications | |
| Number of protected signal lines | 2 |
| Topology | Ungrounded |
| Functional safety parameters | |
| Safety Integrity Level (SIL) | SIL 3 |
| Electrical Data | |
| Connection | Via base module |
| Leakage current | < 30 µA at Uc, line-to-line, < 10 nA at Uc, line-to-earth |
| Rated Voltage | 24 V |
| Maximum continuous operating voltage | 25.4 V AC and 36 V DC |
| Rated load current | 0.5 A at 80 °C (176 °F) |
| Series resistance | 1 Ω per line |
| Impulse discharge current (10/350 µs) | 1.5 kA per line |
| Nominal discharge current (8/20 µs) | 5 kA per line |
| Maximum surge current (8/20 µs) | 20 kA |
| Total discharge current (8/20 µs) | 10 kA |
| Voltage protection level | Max. 65 V line-to-line (at rated discharge current In), max. 1100 V line-to-ground (at rated discharge current In) |
| Impulse reset time | < 30 ms |
| Cut-off frequency | 3.5 MHz, line-to-line |
| Indication/setting | |
| Display elements | Status display / operating status (green) / fault indication (red) |
| Conformity | |
| Degree of protection | IEC 60529:2013 |
| Functional safety | IEC/EN 61508:2010 |
| Low-voltage surge protective device | EN 61643-21:2001+A1:2009+A2:2013, IEC 61643-21:2001+A1:2008+A2:2012 |
| Ambient Conditions | |
| Ambient Temperature | −40 … 80 °C (−40 … 176 °F), observe the EU type examination certificate when used in hazardous areas |
| Storage Temperature | −40 … 80 °C (−40 … 176 °F) |
| Relative Humidity | Max. 95 %, non-condensing |
| Corrosion resistance | According to ISA-71.04, severity level G3 |
| Mechanical parameters | |
| Degree of protection | IP20 |
| Housing | Polyamide PA 6.6 |
| Weight | Approx. 14 g |
| Dimensions | 6 x 45 x 54 mm (0.24 x 1.77 x 2.15 inch) (W × H × D) |
| Installation Method | Pluggable, mounted on 35 mm DIN mounting rail after insertion into base module |
| Hazardous area application data | |
| EU Type Examination Certificate | TÜV 22 ATEX 8880 X |
| Marking | II (1)2G Ex ia [ia Ga] IIC T6 … T4 Gb, / [exsign] II 2G Ex ib IIC T6 … T4 Gb, [exsign] II (1)D [Ex ia Da] IIIC |
| Temperature class | T6 (ambient temperature ≤ 50 °C) / T5 (ambient temperature ≤ 70 °C) / T4 (ambient temperature ≤ 80 °C) |
| Voltage | 30 V |
| Current | 500 mA, restrictions see certificate |
| Power | 750 mW, restrictions see certificate |
| Internal capacitance | Negligible |
| Internal inductance | Negligible |
| Directive 2014/34/EU | EN 60079-0:2018, EN IEC 60079-7:2015+A1:2018, EN 60079-11:2012 |
| International approvals | |
| IECEx certificate | IECEx TUR 22.0050X |
| IECEx marking | Ex ia [ia Ga] IIC T6 … T4 Gb, Ex ib IIC T6 … T4 Gb, [Ex ia Da] IIIC |
| General information | |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals and manuals within the applicable scope. For related information, see www.pepperl-fuchs.com. |
- Protection module for 2 signal lines
- Rated voltage 24 V
- Protection module for unearthed signal lines
- Maximum surge current (8/20 µs) 20 kA
- Uninterrupted operation (automatic reset)
- Status indicator
- Plug-in, mounted on base module
- Complies with IEC/EN 61508, up to SIL 3
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Send us the working condition parameters (signal type, medium, range, pressure, temperature, connection method), and our engineers will provide a selection scheme and quotation within 1 working day.
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