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PROXAR–IVN AC AC surge arrester with silicone housing

Application

PROXAR-IVN AC are AC surge arresters with silicone housing operating in the voltage range of 1–144 kV. They are designed to protect AC power networks against repetitive lightning strikes, switching surges, and transient overvoltages. They are particularly suitable for protecting generators, large capacitor banks, generator switchgear, MV switchgear, AC traction systems, and traction vehicles. They are also suitable for all special applications.

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Working conditions Advantages Electrical data Mechanical data Technical drawings Additional equipment

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PROXAR-IVN AC arresters are designed for outdoor and indoor use in temperate and tropical climates at altitudes up to 1,000 m above sea level. Their compact dimensions also allow installation in switchgear with a minimum pole spacing of 150 mm. These arresters can be additionally equipped with a special three-arm base allowing for seamless installation in place of worn-out legacy lightning arresters (e.g., GZM, GXS, or POLIM H ND).

Highly effective surge protection
Very high energy absorption capability for superior energy handling
Stability of electrical parameters even after absorbing multiple surges
Suitable for operation in polluted environments
High resistance to damage from external factors
Very high short-circuit withstand capability
High durability and operational reliability in diverse environmental conditions
Resistance to shocks and vibrations
Suitable for installation on high-speed traction vehicles
Easy installation and maintenance-free operation

Arrester classification according to PN-EN 60099-4:2015

SH (Station High)

Line discharge class according to IEC 60099-4:2009

Class 4

System voltage (Us)

3.0–145 kV

Rated voltage (Ur)

1.0–144 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

12 kJ/kV Ur

Single impulse energy capability (impulse duration 2 ms – 4 ms)

6.0 kJ/kV Ur

Long duration current impulse (2000 µs)

1,100 A

Short circuit rating

65 kA/0.2 s

Working conditions

Value

Ambient temperature

-40°C to +60°C

Max. altitude above sea level

1,000 m

If you require other parameters, please contact us

If you require other parameters, please contact us

SLL specified long-term load

1,800–6,000 Nm

SSL specified short-term load

1,200–2,400 Nm

Torque

200 Nm

Tensile

5 kN

Please contact us for drawings of specific executions

Please contact us for drawings of specific executions

Equipment of any size and purpose can be supplied on request.

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