Serviceline Industrial Sensors
Serviceline Explosion Protection

Surge Protection Barrier M-LB-3.150TNC.D

  • Surge protection for 3 supply lines
  • Type 2 acc. to EN 61643-11
  • For TN-C systems (120 V AC/240 V AC)
  • Pre-wired unit
  • Operating state and fault indication of every protected line
  • Fault indication output
  • DIN rail mountable

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  M-LB-3.150TNC.D

Search characteristics
Network configurationTN-C
General specifications
Device typetype 2 acc. to EN 61643-11
class II acc. to IEC 61643-1
Number of protected supply lines3
Suitable componentsprotection module M-LB-1.150.M
Electrical specifications
Nominal voltage120 V AC, 50 ... 60 Hz
240 V AC, 50 ... 60 Hz
Maximum continuous operating voltage150 V AC, 50 ... 60 Hz
Temporary over-voltage175 V / 5 s (TOV withstand)
Nominal discharge current (8/20 µs)15 kA
Max. surge current (8/20 µs)40 kA
Voltage protection levelmax. 0.7 kV
max. 0.55 kV at 5 kA
Reaction timemax. 25 ns
Short-circuit-proof50 kA eff
Overcurrent protectionmax. 125 A gG , mains-side
Fault indication output
Connectionterminals 11, 12, 14
Outputvolt-free change-over contact
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
Display elementsstatus display
operating state (green)
fault indication (red)
Directive conformity
Low voltage
Directive 2014/35/EUEN 61643-11:2012
Degree of protectionIEC 60529
Shock resistanceEN 60068-2
Vibration resistanceEN 60068-2
Ambient conditions
Ambient temperature-40 ... 80 °C (-40 ... 176 °F)
Relative humidity5 ... 95 %
Mechanical specifications
Degree of protectionIP20
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)
Housingthermoplastic, color grey , UL 94 V-0
Massapprox. 360 g
Dimensions54 x 90 x 72 mm (2.1 x 3.6 x 2.8 inch) (W x H x D) , 3 TE acc. to DIN 43880
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see


ECLASS 11.027130805
ECLASS 10.0.127130805
ECLASS 9.027130805
ECLASS 8.027130805
ECLASS 5.127130801
ETIM 8.0EC000941
ETIM 7.0EC000941
ETIM 6.0EC000941
ETIM 5.0EC000941
UNSPSC 12.139121610

Documents: M-LB-3.150TNC.D

Instruction leafletsLanguageFile TypeFile Size
Mounting instructions / MontageanleitungALLPDF750 KB

Approvals+Certificates: M-LB-3.150TNC.D

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-0925APDF67 KB
Canada UL Surge Protective Device cULE346845 cUL (VZCA8)LINK---
Europe KEMA Surge Protective DeviceKEMA 2179748.06PDF219 KB
USA UL Surge Protective Device ULE346845 UL (VZCA2)LINK---

Associated Products: M-LB-3.150TNC.D


Protection module for 1 supply line, Type 2 acc. to EN 61643-11, Exchange device for surge protection barrier M-LB-*.150*.D, Easy replacement of protection modules wihtout tools, High discharge capacity, Module can be exchanged under voltage (hot swap)pa

Function: M-LB-3.150TNC.D

This device is a modular surge protection barrier (type 2 acc. to EN 61643-11) with error message output (floating changeover contact).

The complete device consists of a base module and plug-in protection modules and is ready for installation.

Every protection module is locked in the base module and can be changed without tools via release buttons.