B20M/M Vseries

Article number: 27 049
  • Removable modules for lightning impulse current and surge arresters type T1+T2.
  • The products consist of gas discharge tube with high discharge ability.
  • Installed at the boundaries of LPZ 0 – LPZ 2, in TN-S, TT power supply systems and in a special design also in IT power supply system.
  • Balance the potential between the N and PE conductors in 1+1, 3+1 connection modes.
  • Ensures zero leakage current through the PE conductor.
Test class according to EN 61643-11:2012 (IEC 61643-11:2011) T1, T2
Maximum continuous operating voltage AC UC 255 V
Impulse discharge current for class I test (10/350) N/PE Iimp 20 kA
Nominal discharge current for class II test (8/20) N/PE In 20 kA
Voltage protection level at Iimp Up < 1.3 kV
Spare module for 27 048
Quick contact
Ing. Aneta Sčebelová
 +420 494 942 314