Product DescriptionEach unit is constructed of a ceramic or glass
disc with a metal cap and pin cemented to opposite sides. To make
defective units obvious, glass units are designed so that an
overvoltage causes a puncture arc through the glass instead of a
flashover. The glass is heat-treated so it shatters, making the
damaged unit visible. However the mechanical strength of the unit
is unchanged, so the insulator string stays together.Product
ParametersTechnical Date TypeDiameter(mm)Height(mm)Creepage
Distance(mm)SML(kN)Mechanical Routine Test(kN)Socket
coupling(mm)Wet Power Frequency Withstand
Voltage(kV)17811018540201125U40BDry lightning impulse withstand
voltage(kV)Impulse Puncture Voltage(P.U)Power Frequency Puncture
Voltage(kV)Radio Influence Voltage(μv)Corona visual test(kV)Power
frequency electric arc voltage(kA)Net weight per
unit(kg)502.8905018/220.12s/20kA2.1 Company
ProfileFactory DirectWuhan Line Power transmission and
transformation co., LTD. Mainly produces and sells composite
insulators and accessories. Is a collection of manufacturing,
processing, distribution and other business as one of the
manufacturing company. The company is based on the r&d,
manufacturing and sales of the complete set of composite insulator
equipment.With excellent product quality, reasonable price and good
service for the enterprise, won the majority of customers
praise and trust. /* January 22, 2024 19:08:37
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a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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