Surge arrester PSP */10 kA
PSP */10 kA
line discharge class 1
outdoor and indoor use
PSP */10kA- overvoltage limiters designed for protecting of high-voltage transmission systems, transformers, switching equipment and HV cable distribution systems against atmospheric and switching overvoltage effects. The functional part of the limiters consists of a column of varistors sized for max. continuous operating voltage UC. The outer insulating shell is made from silicon material (grey colour). The material of the shell shows high resistance to the effects of surface leakage currents and to electric arc, possesses hydrophobic properties and shows excellent resistance to weather effects, pollution and UV radiation. The cover caps, connecting screws, nuts and terminals are made of stainless steel. With their design and technical parameters, the overvoltage limiters of the PSP series conform to the standards EN 60099-4: 2014 and IEC 60099-4: 2014.
| Type | PSP 2,45/10 | PSP 7/10 | PSP 10/10 | PSP 12/10 | PSP 14/10 | PSP 17/10 | |
| Max. continuous operating voltage | Uc | 2,45 kV | 7 kV | 10 kV | 12 kV | 14 kV | 17 kV |
| Nominal voltage | Ur | 3 kV | 9 kV | 12 kV | 15 kV | 18 kV | 21 kV |
| Nominal discharge current | In | 10 kA | |||||
| High impulse current (4/10) | 2x100 kA | ||||||
| Long current impulse (2 ms) | 400 A | ||||||
| Discharge class acc. to EN 60099‑4 | 1 | ||||||
| Residual voltage at In | Ures | ≤ 9 kV | ≤ 27 kV | ≤ 36 kV | ≤ 45 kV | ≤ 54 kV | ≤ 63 kV |
| Height | h | 93 mm | 135 mm | 154 mm | 175 mm | 190 mm | 220 mm |
| Operating temperature range | ‑ 40 °C ÷ + 55 °C | ||||||
| Protection type | IP65 | ||||||
| Weight | m | 0,8 kg | 1,3 kg | 1,45 kg | 1,7 kg | 1,9 kg | 2,2 kg |
| Article number | 91009 | 91002 | 91017 | 91005 | 91019 | 91007 | |
| Type | PSP 22/10 | PSP 24/10 | PSP 30/10 | PSP 32/10 | PSP 36/10 | PSP 39/10 | |
| Max. continuous operating voltage | Uc | 22 kV | 24 kV | 29 kV | 32 kV | 36 kV | 39 kV |
| Nominal voltage | Ur | 27 kV | 30 kV | 36 kV | 39 kV | 45 kV | 48 kV |
| Nominal discharge current | In | 10 kA | |||||
| High impulse current (4/10) | 2 x 100 kA | ||||||
| Long current impulse (2 ms) | 400 A | ||||||
| Discharge class acc. to EN 60099‑4 | 1 | ||||||
| Residual voltage at In | Ures | ≤ 81 kV | ≤ 90 kV | ≤ 108 kV | ≤ 117 kV | ≤ 135 kV | ≤ 144 kV |
| Height | h | 253 mm | 280 mm | 313 mm | 335 mm | 380 mm | 400 mm |
| Operating temperature range | ‑ 40 °C ÷ + 55 °C | ||||||
| Protection type | IP65 | ||||||
| Weight | m | 2,6 kg | 2,8 kg | 3,2 kg | 3,45 kg | 3,9 kg | 4,2 kg |
| Article number | 91021 | 91011 | 91023 | 91025 | 91013 | 91015 | |
Note: The height and weight are indicative only and may vary. We can send accurate dat.
Application possibilities
Protection of high-voltage AC networks against lightning and switching surges and fast transients. Suitable for protection of transformers, cables, motors, switchgear, and other high-voltage equipment.
Advantages
• Long protective distance
• High absorption capacity
• Stable U-I characteristics even after repeated discharges
• Resistance to ageing
• Design resistant to explosion and bursting
• Resistance to pollution and UV radiation
• Resistance of the shell to rough handling
• Maintenance-free design
• Resistance to shocks and vibrations
• High mechanical resistance
Transport and storage
The overvoltage limiters may not be exposed to strong shocks and impacts during transport. They should be stored in the long term in an indoor store.
Maintenance
No testing of the function or maintenance such as cleaning is necessary during the anticipated life of the limiter.