Medium Voltage (MV) Cables 11 kV to 33 kV
Tratos MV 6.35/11 kV(12 kV) to 19/33kV(36kV) cables are manufactured in accordance with BS 6622, BS 7870-4.10 or IEC 60502-2, incorporating requirements from other relevant standards including IEC 60228; IEC 61443; IEC 60885; and HD632.
Tratos MV cables are manufactured in either single core, triplex or three core designs, having either solid shaped or stranded aluminium or stranded copper conductors, triple layer extruded cross-linked polyethylene (XLPE) or ethylene propylene rubber (EPR) insulation, a copper wire metallic or copper tape screen, armoured or unarmoured with an oversheath of one of the following compounds medium density polyethylene (MDPE) compound (Type A cables) or thermoplastic LSZH compound or cables having a low emission of smoke and corrosive gases when affected by fire (Type B cables).
Medium Voltage energy distribution cables are used by the Distribution Network Operators (DNO’s) and Independent Distribution Network Operators (IDNO’s) to connect to local substations or small generation units. 33kV cables are finding increase use as the connection to Solar farms and other renewable Energy projects. MDPE sheathed cables are typically used for direct burial or burial in ducts, LSZH sheathed cables are typically used where the contribution of cables to a fire hazard require the use of cables with a low smoke, zero halogen (LSZH) sheath.
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