Pepperl+Fuchs M-LB-2.275TT.D
Surge Protection Barrier
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- Surge protection for 2 supply lines
- Type 2 acc. to EN 61643-11
- For TT and TN systems (230 V AC)
- Pre-wired unit
- Operating state and fault indication of every protected line
- Fault indication output
- DIN rail mountable
- Overview
- Comments
| Display elements | status display operating state (green) fault indication (red) |
| Follow current extinguishing capability | 100 A eff (N-PE) |
| Nominal discharge current (8/20 µs) | 20 kA |
| Degree of protection | IP20 |
| Short-circuit-proof | 50 kA eff |
| Degree of protection | IEC 60529 |
| Ambient temperature | -40 ... 80 ?°C (-40 ... 176 ?°F) |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Overcurrent protection | max. 125 A gG , mains-side |
| Number of protected supply lines | 2 |
| Core cross-section | - min. 1.5 mm2 solid/flexible - max. 35 mm2 stranded/25 mm2 flexible - max. 1.5 mm2 solid/flexible (for remote signalling contact) |
| Max. surge current (8/20 µs) | 40 kA |
| Reaction time | max. 25 ns (L-N) max. 100 ns (N-PE) |
| Network configuration | TT |
| Shock resistance | EN 60068-2 |
| Total discharge current (8/20 µs) | 12 kA (N-PE) |
| Dimensions | 36 x 90 x 73 mm (1.4 x 3.6 x 2.9 inch) (2 TE acc. to DIN 43880) |
| Vibration resistance | EN 60068-2 |
| Device type | type 2 acc. to EN 61643-11 class II acc. to IEC 61643-1 |
| Mass | approx. 240 g |
| Voltage protection level | max. 1.25 kV (L-N) max. 1 kV at 5 kA (L-N) ≤ 1.5 kV (N-PE) |
| Suitable components | protection module M-LB-1.275.M protection module M-LB-1.NPE.M |
| Connection | terminals 11, 12, 14 |
| Output | volt-free change-over contact |
| Maximum continuous operating voltage | 275 V AC, 50 ... 60 Hz (L-N) 255 V AC, 50 ... 60 Hz (N-PE) |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Switch power | 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 |
| Temporary over-voltage | 335 V/5 s (TOV withstand) (L-N) 1200 V/200 ms (TOV withstand) (N-PE) |
| Relative humidity | 5 ... 95 % |
| Nominal voltage | 230 V AC, 50 ... 60 Hz |
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