VLD class 1 (SCG)
SCG-250-500-S-R02
Order number: A07492
VLD class 1, Type F with non-contact operational status signalling
- intended for DC traction power systems
- protects against hazardous touch voltages and limits the effects of stray currents
- installation between exposed conductive parts (masts, railings, etc.) and the traction return circuit (rails)
- in the event of a traction line fault and its contact with the protected structure, ensures rapid tripping of the section circuit breaker
- integrated control and signalling module enables operational status diagnostics without interruption of operation and dismantling
- rapid verification of operational status using a non- contact reader from a distance of up to 2 m
Technical parameters
| Parameter name | Parameter value | |
|---|---|---|
| Class VLD according to EN 50526-2 | 1 | |
| Type VLD according to EN 50122-1 | F | |
| Short-time withstand current (non-repeatable) @ 100 ms | Iw | 15,00 kA DC |
| Leakage current at Uw | IL | < 1,00 μA DC |
| Rated current (@ 60 min) | Ir | 250,00 A DC |
| Nominal triggering voltage | UTn | 0,00 V DC |
| Instantaneous triggering voltage | UTi | 0,00 V DC |
| Non-triggering voltage | Uw | 500,00 V DC |
| Maximal residual voltage at Iw | URES | 50,00 V DC |
| Maximal residual voltage at Ir - before short circuit | URES | 30,00 V DC |
| Maximal residual voltage at Ir - after short circuit | URES | 0,25 V DC |
| High charge impulse (10/350) | Iimp-hc | 15.00 kA |
| Lightning current impulse (8/20) | Iimp-n | 20.00 kA |
| High current impulse (8/20) | Iimp-high | 40.00 kA |
| Response time | TR | 10,00 μs |
| Mounting | surface / angle bracket / stainless steel banding | |
| Degree of protection | IP 68 | |
| Remote indication | RFID | |
| Remote fault indication frequency range | UHF 865-868 MHz | |
| Weight | 2.20 kg | |
| Operating temperature range, outdoor installation (min/max) | −40 / 70 °C | |
| Range of ambient temperatures, outdoor installation (min/max) | −40 / 50 °C | |
| According to standard | EN 50526-2:2014, IEC 62848-2 Ed.1:2019, EN 50121-4:2016+A1:2019, eq. IEC 61000-4 and IEC 61000-6 series, ETSI EN 302 208, EN 50122-1:2022+A1:2025 | |
| ETIM Class | EC002496 | |
| Customs tariff number | 85354000 | |
| EAN | 8595090574927 |
Files for download
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Product dimensions
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Basic circuit diagram
