Pepperl+Fuchs M-LB-4.275TNS.D
Surge Protection Barrier

Pepperl+Fuchs M-LB-4.275TNS.D
  • Surge protection for 4 supply lines
  • Type 2 acc. to EN 61643-11
  • For TN-S systems (230 V AC/400 V AC)
  • Pre-wired unit
  • Operating state and fault indication of every protected line
  • Fault indication output
  • DIN rail mountable
Item Number: M-LB-4.275TNS.D
456.04
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+
Total price: 456.04
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  • Overview
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Outputvolt-free change-over contact

Display elementsstatus display
operating state (green)
fault indication (red)
Degree of protectionIEC 60529
Degree of protectionIP20
Ambient temperature-40 ... 80 В°C (-40 ... 176 В°F)
Nominal voltage230 V AC, 50 ... 60 Hz
400 V AC, 50 ... 60 Hz
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Shock resistanceEN 60068-2
Overcurrent protectionmax. 125 A gG , mains-side
Switch powerAC: 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
Short-circuit-proof50 kA eff
Device typetype 2 acc. to EN 61643-11
class II acc. to IEC 61643-1
Network configurationTN-S
Number of protected supply lines4
Reaction timemax. 25 ns
Nominal discharge current (8/20 µs)20 kA
Maximum continuous operating voltage275 V AC, 50 ... 60 Hz
Vibration resistanceEN 60068-2
Connectionterminals 11, 12, 14
Max. surge current (8/20 µs)40 kA
Suitable componentsprotection module M-LB-1.275.M
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)
Massapprox. 480 g
Temporary over-voltage335 V / 5 s (TOV withstand)
Voltage protection levelmax. 1.25 kV
max. 1 kV at 5 kA
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Dimensions72 x 90 x 73 mm (2.8 x 3.6 x 2.9 inch) (4 TE acc. to DIN 43880)
Relative humidity5 ... 95 %

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