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Class of VLD according EN 50526-2
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1
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Type of VLD according EN 50122-1:2011
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VLD-F
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Repeatable VLD
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Yes |
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Installation according to EN 50122-1:2022 for the protection of railway equipment
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Yes |
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AC ignition voltage (50/60 Hz)
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Uaw |
≥ 175 Vrms
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DC ignition voltage
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200 ÷ 300 V |
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Maximum non-triggering AC voltage
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UW |
130 V
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Nominal triggering DC voltage
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UTn |
380 V
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Short time withstand current/ 100 ms (AC mode)
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IW |
≤ 8 kArms
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Short time withstand current/ 30 ms (DC mode)
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IW |
≤ 20 kA
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Rated current DC (60 min)
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Ir |
0.06 A
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Lightning current impulse (8/20)
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Iimp-n |
100 kA
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High current impulse (8/20)
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Iimp-high |
200 kA
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High charge impulse (10/350)
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Iimp-hc |
150 kA
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Charge
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Q |
75 As
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Specific energy
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W/R |
5 625 kJ/Ω
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Residual voltage at Iimp-n
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Ures |
≤ 2 000 V
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Rated impulse sparkover voltage
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Ur imp |
< 1 000 V
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Leakage current at UW
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IL |
< 10 µA
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Response time
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tA |
< 10 000 ns
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Response time at lightning current impulse
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tR |
< 25 ns
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Minimum current for safe VLD short circuit / 50 ms
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20 kA
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Behaviour after subtantial overloading
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Internal short circuit inside HGS body
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Insulation resistance at 100 V DC
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Ri |
> 1 GΩ
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Capacitance at 1 MHz
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C |
< 35 pF
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Housing material
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Stainless steel
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Degree of protection
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IP66
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Product placement environment
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External
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Operating temperature
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ϑ |
- 40 ÷ 90 °C |
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Climatic category according to IEC 60068-1:2013
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40/90/21
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Operating position
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Vertical
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Installation
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On the flange, Using two M12 screws
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Diameter of the equipotential bonding conductor depending on specific configuration, typically:
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10 or 14 mm
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Tightening torque for mounting to the structure
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56 Nm
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Tightening torque for equipotential bonding conductor connection
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32 Nm
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Lifetime
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> 100 000 h
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