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Pepperl Fuchs M-LB-4244.M
Protection Module for Surge Protection Barrier
- MPN
- M-LB-4244.M
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What is the Pepperl Fuchs M-LB-4244.M?
Protection module for 2 signal lines
Nominal voltage 24 V
Protection module for grounded signal lines
Max. surge current (8/20 µs) 20 kA
Uninterruptable operation (auto reset)
Status indication
Mounting on base module, pluggable
Up to SIL 3 acc. to IEC/EN 61508
Protection module for 2 signal lines, Nominal voltage 24 V, Protection module for grounded signal lines, Max. surge current (8/20 µs) 20 kA, Uninterruptable operation (auto reset), Status indication, Mounting on base module, pluggable, Up to SIL 3 acc. to IEC/EN 61508, Number of protected signal lines: 2, Topology: grounded, Safety Integrity Level (SIL): SIL 3, Nominal discharge current (8/20 µs): 5 kA per line
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 70155092 |
| Device type | Type 1/P1 acc. to EN 61643-11 |
| Number of protected signal lines | 2 |
| Topology | grounded |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Functional safety related parameters
| Safety Integrity Level (SIL) | SIL 3 |
Electrical specifications
| Connection | via base module |
| Leakage current | < 70 nA bei Uc , line-earth |
| Nominal voltage | 24 V UN |
| Maximum continuous operating voltage | 23.3 V AC and 33 V DC Uc |
| Nominal load current | 0.75 A at 70 °C (158 °F) IL |
| Series resistance | 1 Ω per line |
| Impulse discharge current (10/350 µs) | 1.5 kA per line Iimp |
| Nominal discharge current (8/20 µs) | 5 kA per line In |
| Max. surge current (8/20 µs) | 20 kA Imax |
| Total discharge current (8/20 µs) | 10 kA Itotal |
| Voltage protection level | max. 90 V line-line for nominal discharge current In max. 75 V line-earth for nominal discharge current In Up |
| Impulse reset time | < 30 ms |
| Cut-off frequency | 3.4 MHz , line-line fG |
Indicators/settings
| Display elements | status display operating state (green) fault indication (red) |
Conformity
| Degree of protection | IEC 60529:2013 |
| Functional safety | IEC/EN 61508:2010 |
| Surge protective devices for low voltage | 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) |
| Storage temperature | -40 ... 80 °C (-40 ... 176 °F) |
| Relative humidity | max. 95 % , without condensation |
| Corrosion resistance | acc. to ISA-71.04, severity level G3 |
Mechanical specifications
| Degree of protection | IP20 |
| Connection | via base module |
| Material: Housing | Polyamide PA 6.6 |
| Mass | approx. 14 g |
| Dimensions | 6 x 45 x 54 mm (0.24 x 1.77 x 2.15 inch) (W x H x D) |
| Mounting | pluggable in base module for mounting on 35 mm DIN mounting rail |
Data for application in connection with hazardous areas
| Certificate | TÜV 22 ATEX 8881 X |
| Marking | II 3G Ex ec IIC T4 Gc |
| Temperature class | T4 for ambient temperature ≤ 80 °C |
| Directive conformity: Directive 2014/34/EU | EN 60079-0:2018 , EN IEC 60079-7:2015+A1:2018 |
International approvals
| UL approval | E501704 |
| IECEx approval: IECEx certificate | IECEx TUR 22.0051X |
| IECEx approval: IECEx marking | Ex ec IIC T4 Gc |
General information
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
CAD & dimension drawings
M-LB-4244.M: frequently asked questions
When can M-LB-4244.M be shipped?
M-LB-4244.M is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up M-LB-4244.M in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for M-LB-4244.M and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for M-LB-4244.M, subject to availability and destination.
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