Serviceline Industrial Sensors
Serviceline Explosion Protection

Protection Module for Surge Protection Barrier M-LB-1.275.M

  • Protection module for 1 supply line
  • Type 2 acc. to EN 61643-11
  • Exchange device for surge protection barrier M-LB-*.275*.D
  • Easy replacement of protection modules wihtout tools
  • High discharge capacity
  • Module can be exchanged under voltage (hot swap)

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of M-LB-1.275.M

General specifications
Device typetype 2 acc. to EN 61643-11
class II acc. to IEC 61643-1
Number of protected supply lines1
Electrical specifications
Nominal voltage230 V AC
Maximum continuous operating voltagemax. 275 V AC
max. 350 V DC
Nominal discharge current (8/20 µs)20 kA
Max. surge current (8/20 µs)40 kA
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)
Mechanical specifications
Degree of protectionIP20
Housingthermoplastic, color grey , UL 94 V-0
Massapprox. 50 g
Dimensions18 x 45 x 51 mm (0.7 x 1.8 x 2 inch) (1 TE acc. to DIN 43880)
Mountingin the surge protection barrier M-LB-*.****.*
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see

Approvals+Certificates: M-LB-1.275.M

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