Gerhard Petri Vilnius UAB

Nexans
e-paslaugos

0.4 kV outdoor and indoor type surge arresters (LVA type)

LVA-280B

Zinc-oxide surge arrester (according to IEC 61643-1 standard)
Polymer housing
Class 2
Imax = 40kA
Rated (rated) discharge current: 10 kA
High current pulse 4/10µs: 100 kA (tested according to IEC 60099-4)
Energy absorption capacity: 4.1 kJ/kV-Uc
Long-term operating voltage Uc: 280 V
Suitable for indoor and outdoor applications:
Rated frequency: 48-62 Hz
Ambient temperature: -40…+70 °C
Maximum altitude: 2000 m

LVA-440B

Zinc-oxide surge arrester (according to IEC 61643-1)
Polymer housing
Class 2
Imax = 40kA
Rated (rated) discharge current: 10 kA
High current pulse 4/10µs: 100 kA (tested according to IEC 60099-4)
Energy absorption capacity: 4.1 kJ/kV-Uc
Long-term operating voltage Uc: 440 V
Suitable for indoor and outdoor applications:
Rated frequency: 48-62 Hz
Ambient temperature: -40…+70 °C
Maximum altitude: 2000 m




    LVA-280B

    Rated voltage Lightning current pulse 8/20 µs
    Lightning voltage 1 kA 2kA 5kA 10kA 20kA
    Without earthing conductor 0.73 kV 0.77 kV 0.85 kV 1.0 kV 1.1 kV
    With 15 cm earthing conductor 0.76 kV 0.82 kV 0.96 kV 1.2 kV 1.58 kV

     

    LVA-440B

    Rated voltage Lightning current pulse 8/20 µs
    Lightning voltage 1 kA 2kA 5kA 10kA 20kA
    Without earthing conductor 1.2 kV 1.32 kV 1.44 kV 1.6 kV 1.79 kV
    With 15 cm earthing conductor 1.29 kV 1.38 kV 1.55 kV 1.8 kV 2.21 kV

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