Voltage limiting device, VLD of class 2.2, type VLD-O+F, 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 1+2.
- 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.
Specifications:
|
Parameter name |
Parameter value |
|
|
Class VLD according to EN 50526-2 |
2.2 |
|
|
Type VLD according to EN 50122-1 |
VLD-O+F |
|
|
Rated AC (rms) current (@ 60 min) |
Ir |
50 A |
|
Rated DC current (@ 60min) |
Ir |
50 A |
|
Leakage current at Uw |
IL |
< 70 μA |
|
Non-triggering voltage |
Uw |
48.00 V |
|
Maximal short time DC withstand current (@ 30 ms) |
Iw |
16.0 kA |
|
Maximal short time DC withstand current (@ 100 ms) |
Iw |
9.0 kA |
|
Short time AC (rms) withstand current (@ 36 ms) |
Iw |
15.0 kA |
|
High charge impulse (10/350) |
Iimp-hc |
35.00 kA |
|
Lightning current impulse (8/20) |
Iimp-n |
50.00 kA |
|
High current impulse (8/20) |
Iimp-high |
75.00 kA |
|
Nominal triggering voltage |
UTn |
60.00 V |
|
Maximal residual voltage at Iimp-n |
URES |
700.00 V |
|
Maximal residual voltage at Ir |
URES |
1.20 V |
|
Maximal residual voltage at Iw |
URES |
5.00 V |
|
Instantaneous triggering voltage |
UTi |
60.00 V |
|
Response time @ lightning current |
25 ns |
|
|
Response time of thyristors |
TR |
< 1,5 ms |
|
Degree of protection |
IP 67 |
|
|
Range of ambient temperatures (min/max) |
-40 / 70 °C |
|
|
According to standard |
EN 50122-1, EN 50526-2 |
|
|
Weight |
2.10 kg |
|
|
ETIM Class |
EC003621 |
|
|
Customs tariff number |
85301000 |
|
|
EAN |
8595090567110 |
Dimensions:
Voltage limiting device, VLD of class 2.2, type VLD-O+F.
- Brand: SALTEK - Czech Republic Categories Surge Protection Devices
- Product Code: BVL-50-60-R02
- MPN: BVL-50-60-R02
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