Product Description* Brief instructionZinc-Oxide arrester is
used for protection of outdoor distribution overhead line,
transformer, cable connector and electric equipment from being
damaged by lightning Impulse voltage and operated over-voltage.How
does ZnO varistor work? ZnO has good non-linear Volt-Ampere
characteristics which flowing current is tiny when working under
normal voltage. However, when there's over-voltage, its non-linear
Volt-Ampere characteristics takes protection effect on leakage and
breaking current, as the resistance will decrease rapidly and leak
the energy of over-voltage.Products are completely in accordance
with IEC60099-4 standard.Our Advantages* Our StrengthMore than 35
years of production experience;Sample order is
available;Coustomerization is available.Continuous improvement and
perfection of products;High productivity, large spare parts
inventory. Design Highlights√ MOV discsHigh quality MOV discs
are made in Zhejiang or Chengde China.√ Upper TerminalsMade of
Grade 304 stainless steel√ Sealing performance of arresterDuration
of 42 hours into hot water around 100ºC√ 100% routine tested for
below test itemsReference voltage at D.C. 1mALeakage current in
D.C.0.75 U1mAProduct Parameters Electrical
characteristicsSpecificationUnitRated voltage of Surge
arrreser0.48kVNominal discharge current510kARated
frequency50HzMaximum continuous operating voltage0.28kVSteep
current impulse residual voltage kV(Crest)Lightning Impulse
residual voltage kV(Crest)Switching Impulse residual
voltage kV(Crest)Long duration current impulsewithstand
voltage150250AHigh current impulses65100kA (Crest)Rated
Short-circuit current20 / 12 / 6 / 0.6 ± 0.2kAClass of Surge
arresterClass 1 or Class 2 ApplicationDistribution
type With or without gapGapless Designation of
arresterDesign B Spare
parts NEMA A or B mounting
bracketwith/without Disconnectorwith/without Earth
leadwith/without Bird guard capwith/without Line
clampwith/without Upper terminal (incoming line) bolt
sizeM12 Lower termina (outgoing line) bolt
sizeM10 Material Upper
terminalStainless steel 304 HousingPolymer type Color of
housingDark grey / light grey VaristorHigh quality zinc oxide
varistor Size of Varistor35mm / 38mm /40mm /
42mm Package Qty/package1pc/carton Service
conditions Environment maximum temperature40ºCPollution
levelHeavy Altitude≤1000Meter StandardIEC60099-4:2014 Packaging
& Shipping Certifications /* January 22, 2024
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