A rare-gas-filled spark gap for the lightning protection equipotential bonding, the insulation of electrically separated parts and the bridging of insulating flanges of gas pipelines. For internal or similar applications.
- With remote signalling contact (FM)
- High-perfomance short circuit switch
- High-perfomance short circuit switch
- High-quality industrial ceramics
- Rare-gas filled, hermetically sealed
- Free from radioactive substances
- High lightning current discharge capacity of 100 kA (10/350 µs) (class H)
- High reliability, robust
- Stable performance, long service life
- Fail-safe characteristic
- Test standard DIN EN 62561-3:2018-02
| IEC category | Class H |
| Nominal DC sparkover voltage at 100 V/sUagN | 100 ±20% V= |
| Nominal AC sparkover voltage (50 Hz)Uaw | 70 ±20% V |
| Typical impulse sparkover voltageUas | 650 V |
| Max. impulse sparkover voltageUas | 950 V |
| Lightning impulse current (10/350 µs)Iimp | 75 kA |
| Lightning impulse current (10/350 µs) totalItotal | 100 kA |
| Nominal impulse discharge current (10 x 8/20 µs)In | 100 kA |
| 5x Nominal alternating discharge current at 50 Hz, 1 s, 3 min pauseIwn | 100 / 1 A/s |
| Nominal alternating discharge current (50 Hz) | 200 / 0,5 A/s |
Additional Information
| Spark-gap extinguishing conditionsVex | <70V / <20A |
| Insulation resistance at 10 V, 100 V | > 1 GΩ |
| Short-circuit current ratingISCCR | 7,2 kA r.m.s./300 ms kA |
| Self-capacitance at 1 kHz | 6 pF |
| Test category/climatic category | DIN IEC 60068-1 / 40/90/21 |
| Relative humidity | 10%...95% rh |
| Degree of protection | IP 20 |
| Operating temperature rangeTU | -40 - +80 °C |
| Terminals | M8 bolt/nut (NIROSTA stainless steel) |
| Dimensions (Ø × L) | 25 x 88 mm |
| 3x lightning impulse current (10/350 µs), long-duration current (CENELEC/BTTF 62-2)Iimp | 75 kA/ 38 As/ 1,45 MJ / Ω + 150A / 0,5s / 75 As |
| 20x lightning impulse current (10/45 µs) half-wave (DIN 48810) | 60kA / 10 As / 0,1 MJ/Ω |
| Alternating current critical load (50 Hz) (1x 0.3s)Iwgr | 4.000 / 0,25 Aeff/s |