BVL-25-120-R01

BVL-25-120-R01

Describe first line
voltage limiting device, VLD of class 2.2, type VLD-O, limiting of occurrence non-permissible touch voltages, equalizing of the earth potential and limiting of overvoltage of a railway system AC and DC, surge protective device SPD of type 2
Product description
  • limits non-permissible high touch voltages on non-live metal parts of a railway equipment in AC and DC railway system
  • establishes temporary connection between the return circuit and the earth of the railway electric traction system, during the permissible value of voltage is exceeded
  • equalizes the earth potential between the return circuit and the earth surrounding an electric and an electronics equipment and prevents their damage
  • limits touch voltage and protects persons that might enter into contact with the parts affected
  • eliminates high impulse overvoltages induced into the railway electric traction system or the railway equipment by a lightning strike
Ordering number
A06100
Dimension drawing
Basic circuit diagram
Technical specifications
Type VLD according to EN 50122-1
VLD-O
Class VLD according to EN 50526-2
2.2
Rated current (@ 60 min)
Ir
25
A
Short time withstand current (@ 100 ms)
Iw
1
kA
Maximal short time withstand current (@ 300 ms)
Iw
580
A
Nominal triggering voltage
UTn
120,00
V
Non-triggering voltage
Uw
100,00
V
Response time @ lightning current
25
ns
Response time of thyristors
< 1,5 ms
Instantaneous triggering voltage
UTi
120,00
V
Leakage current at Uw
< 120 μA
Maximal residual voltage at Iw
URES
3,50
V
Maximal residual voltage at Ir
URES
1,20
V
Lightning current impulse (8/20)
Iimp-n
25,00
kA
High current impulse (8/20)
Iimp-high
50,00
kA
High charge impulse (10/350)
Iimp-hc
5,00
kA
Degree of protection
IP 67
Range of ambient temperatures - min
-40
°C
Range of ambient temperatures - max
70
°C
Mounting
surface on the desk / DIN rail
Weight
0,78
kg
According to standard
EN 50122-1, EN 50526-2
Customs tariff number
85301000
EAN
8595090561002

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voltage limiting device, VLD of class 2.2, type VLD-O+F, connecting of return circuit with earth of a railway system
Ordering number:
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voltage limiting device, VLD of class 2.2, type VLD-O+F, connecting of return circuit with earth of a railway system
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