Components for middle voltage MV/HV fuses

LongTek is the major manufacturer of ceramic tube for medium and high voltage fuse in China; we have world-class technology in producing long & thin tubes.

LongTek is the major supplier of ceramic tubes and star core for middle and high voltage fuses in China. 

Strengh numerical value is by customers’ request, the methods of pressure testing include tensile test, crush resistance and internal water pressure resistance.

Material C110/C120 according to IEC 60672.

Also supply “High Strength Porcelain” material.

Tube surfaces can be glazed in Brown or White (RAL 8011,8016 or 8017).





Material:Ceramic C110 / 120/ 610
Brand & Mark:LongTek / L
Products types:tubes and star core/pillar
Package:in cartons then on pallet
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