Working conditions
PROXAR-IIIN AC arresters are suitable for indoor and outdoor use in temperate and tropical climates at altitudes up to 1000 m above sea level. They can be mounted horizontally, vertically, suspended, or inverted.
PROXAR-IIIN AC high voltage surge arrester in silicone housing
Application
PROXAR-IIIN AC are high voltage surge arresters in silicone housing, designed for operation in the 1.0 kV to 228 kV range. They protect AC power networks against repeated lightning strikes and switching surges, and can also be used in special applications.
Working conditions Advantages Electrical data Mechanical data Technical drawings Downloads Additional equipment Related products
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Advantages
- Highly effective surge protection
- Excellent energy resistance thanks to high absorption capacity
- Stable electrical performance even after multiple surges
- Suitable for polluted environments
- High resistance to environmental damage
- High short-circuit withstand capability
- Durable and reliable under varied environmental conditions
- Resistant to shocks and vibrations
- Easy to install and maintenance-free
- Lightweight
- Easy to transport and store
- Suitable for horizontal operation
Electrical data
Arrester classification according to PN-EN 60099-4:2015
SM (Station Medium)
Line discharge class according to IEC 60099-4:2009
Class 3
System voltage (Us)
3.6–245 kV
Rated voltage (Ur)
1.0–228 kV
Nominal discharge current In 8/20 µs
10 kA
High current impulse Ihc 4/10 µs
100 kA
Rated repetitive charge transfer rating Qrs
2.4 C
Rated thermal energy Wth
11 kJ/kV Ur
Single impulse energy capability (impulse duration 2 ms – 4 ms)
5.9 kJ/kV Ur
Long duration current impulse (2000 µs)
1000 A
Short circuit rating
65 kA/0.2 s
Working conditions
Value
Ambient temperature
-45°C to +60°C
Max. altitude
1000 m
Frequency
48–62 Hz
Mechanical data
SLL specified long-term load
1800–4000 Nm
SSL specified short-term load
1200–2500 Nm
Torque
200 Nm
Tensile
5 kN
Technical drawings
Downloads
Data sheet Download PDF
Download PDFCertificate of compliance Download PDF
Download PDFInstallation and operating instruction
Download PDFSee available accessories
Equipment of any size and purpose can be supplied on request.
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