19 янв. 2023 г. · Insulator shall be suitable for 3 Phase, 50 Hz effectively earthed 11kV. Overhead Lines and 33 kV Impedance Grounded distribution system in a. |
This Specification covers the manufacture, testing, works supply and delivery of. 11 kV 45 kN & 11 kV 70 kN Porcelain Disc Insulators. These Porcelain ... |
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