B50M Vseries

Article number: 16 059
  • 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.
  • M indication specifies a type of construction with removable module.
Test class according to EN 61643-11:2012 (IEC 61643-11:2011) T1, T2
System TN-S, TT
Maximum continuous operating voltage AC UC 255 V
Impulse discharge current for class I test (10/350) N/PE Iimp 50 kA
Charge N/PE Q 25 As
Specific energy for class I test (N/PE) W/R 625 kJ/Ω
Nominal discharge current for class II test (8/20) N/PE In 50 kA
Voltage protection level at Iimp Up < 1.3 kV
Temporary overvoltage test value (TOV) for tT = 0,2 s (N/PE) UT 1 200 V
Response time (N/PE) tA < 100 ns
Follow current interrupt rating Ifi 0.1 kArms
Lightning protection zone LPZ0, LPZ1, LPZ2
Housing material Polyamid PA6, UL94 V-0
Degree of protection IP20
Operating temperature ϑ - 40 ÷ 70 °C
Minimum cross-section of connected Cu conductors accord. to HD 60364-5-534:2016 (doesn't apply to „V“ connection) for T1 S 6 mm² (L, N)
16 mm² (PE, PEN)
Minimum cross-section of connected Cu conductors accord. to HD 60364-5-534:2016 (doesn't apply to „V“ connection) for T2 S 2.5 mm² (L, N)
6 mm² (PE, PEN)
Clamp fastening range (solid conductor) 2.5 ÷ 35 mm2
Clamp fastening range (stranded conductor) 2.5 ÷ 25 mm2
Tightening moment 4
Installation On DIN rail 35 mm
Modular width 1
Operating position Any
Signalling at the device None
Remote signalling No
Lifetime > 100 000 h
Modular design Yes
Article number of spare module 16 060
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