M-LB-2.150.T3.D 2-channel surge protection isolator
Surge protection for 2 power supply lines, Type 3 (acc. to EN 61643-11), rated voltage 120 V AC, pre-wired unit.
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Pepperl+Fuchs M-LB-2.150.T3.D 2-channel surge protection isolator, surge protection for 2 power supply lines, Type 3 (acc. to EN 61643-11), rated voltage 120 V AC, pre-wired unit, operating status and fault indication per protected line.
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 | |
| Device type | Type 3 according to EN 61643-11, Class III according to IEC 61643-11 |
| Number of protected power supply lines | 2 |
| Suitable components | Protection module M-LB-2.150.T3.M |
| Electrical Data | |
| Rated Voltage | 120 V AC, 50 … 60 Hz |
| Maximum continuous operating voltage | 150 V AC, 50 … 60 Hz, 150 V DC |
| Rated load current | 25 A |
| Nominal discharge current (8/20 µs) | 2 kA |
| Maximum surge current (8/20 µs) | 4 kA |
| Voltage protection level | Max. 640 V (L-N), max. 800 V (L/N-PE) |
| Response time | max. 25 ns (L-N), max. 100 ns (L/N-PE) |
| Short-circuit withstand | 6 kA eff at max. supply-side overcurrent protection |
| Overcurrent protection | max. 25 A gL/gG (B 25 A), supply side |
| Fault indication output | |
| Connection | Terminals 11, 12, 14 |
| Output | Passive changeover contact |
| Switching capacity | AC: 250 V, 0.5 A, DC: 250 V/0.1 A; 125 V/0.2 A; 75 V/0.5 A; 24 V/0.5 A |
| Indication/setting | |
| Display elements | Status display / operating status (green) / fault indication (red) |
| Directive conformity | |
| Directive 2014/35/EU | EN 61643-11:2012 |
| Conformity | |
| Degree of protection | IEC 60529:2013 |
| Shock resistance | EN 60068-2:2010 |
| Vibration Resistance | EN 60068-2:2010 |
| Operating conditions | |
| Mounting position | indoor |
| Ambient Conditions | |
| Ambient Temperature | −40 … 80 °C (−40 … 176 °F) |
| Relative Humidity | 5 … 95 % |
| Mechanical parameters | |
| Degree of protection | IP20 |
| Core cross-section | - min. 0.5 mm2 solid/flexible, - max. 4 mm2 stranded/2.5 mm2 flexible |
| Housing | thermoplastic, colour grey, UL 94 V-0 |
| Weight | approx. 120 g |
| Dimensions | 18 x 90 x 72 mm (0.7 x 3.6 x 2.8 inch) (W × H × D), 1 TE (in accordance with DIN 43880) |
| Installation Method | Mounts on 35 mm DIN mounting rail in accordance with EN 60715:2001 |
| Hazardous area application data | |
| Certificate | TÜV 22 ATEX 8932 X |
| Marking | II 3G Ex ec IIC T4 Gc |
| Directive 2014/34/EU | EN IEC 60079-0:2018, EN IEC 60079-7:2015+A1:2018 |
| International approvals | |
| UL approval | E346845 |
| IECEx certificate | IECEx TUR 22.0082X |
| IECEx marking | Ex ec IIC T4 Gc |
| 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. |
- Surge protection for 2 supply lines
- Type 3 (acc. to EN 61643-11)
- Rated voltage 120 V AC
- Pre-wired unit
- Operating status and fault indication per protected line
- Fault indication output
- DIN rail mountable
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