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Transformer horizontal high voltage inlet cover

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Voltage level 1~35KV.
l Cross-linked EPDM rubber.
l Snap-in design, easy to install, disassemble and reuse.
l Prevent short circuit and leakage caused by small animals.
l It is convenient for users to routinely check and repair, without destroying the lap point of the new insulation method.
l Prevent dust, dirt and condensation flashover.
l The product meets RoHS standard.




propertyIndicative valueTest method

PolyolefinsEPDM rubber
tensile strength≥10.0Mpa≥10.0MpaASTM D 2671
Elongation at break≥300%≥1000%ASTM D 2671
Heat aging tensile strength≥6.9Mpa≥9Mpa90ºC/70hrs
Elongation at break for heat aging≥150%≥500%90ºC/70hrs
Thermal shockNo crackingNo crackingJB7829
Oxygen index≥28
GB/T 2406
Dielectric strength≥20KV/mm≥30KV/mmIEC 243
Dielectric constant2-32-3IEC 250
Volume resistance≥1*10¹Ωcm≥4.5*10142.cm lEC 93



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