TRIDELTA offers surge arresters up to 4,8 kV DC for rolling stock, tram or streetcars or for protection of DC equipment and overhead lines.
These surge arresters are recognized by highest reliability and available either with Porcelain or Silicon housings.
|Highest System Voltage Us||kV|
|max. Rated Voltage Ur||kV||4,8||4,8|
|max. Nominal Discharge Current In (at 8/20 µs waveshape)||kA||10||10|
|max. Thermal Energy Absorption Capability kJ per kV of Ur||10||10|
|max. Line Discharge Class||4||4|
|High Current Withstand Strength 4/10 µs||kA||100||100|
|max. low Current Withstand Strength 2 ms||A||1.000||1.000|
|max. Short Circuit / Pressure Relief Capability kA - 0,2s||kA||40||40|
|Mechanical Strength: Specific short-term load SSL||Nm|
- Bombardier Transportation, Germany
- Elpro Energo / Skoda, Czech Republik
- Surgetek Ltd. / Transnet, South Africa
- Meiden Pte. Ltd. Singapore