Introduction The specification covers outdoor distribution cut-outs for pole mounting i.e complete drop-out single vented expulsion fuse-link assemblies intended for overload short-circuit protection or for disconnection of distribution equipment or parts of a reticulation system operating at a nominal voltage of 11kV or 33kV and at the service conditions s Show More...
Introduction The specification covers outdoor distribution cut-outs for pole mounting i.e complete drop-out single vented expulsion fuse-link assemblies intended for overload short-circuit protection or for disconnection of distribution equipment or parts of a reticulation system operating at a nominal voltage of 11kV or 33kV and at the service conditions specified in this specification particulars of electrical system. Particulars of the Electrical System The D fuse capable of operation in the following system: a) Earthed, 3-se. b) Operated at 50 Hz variable between plus or minus 2.5%. c) A highest system voltage of 12kV or 36kV with nominal voltage 11kV or 33kV. d) Lightning impulse withstand voltage of 95 kV and 170 kV peak for 12 kV and 36 kV respectively. e) Direct earthed or resistance earthed so that the earth fault factor will be less than 1.5 at any location and the earth fault current limited to 1400 A. Design The mechanical and electrical requirements of the fuse-in accordance with IEC 282-2. The Fuses shall be used on the 11kV and 33kV network and shall be of the following ratings Item Item Description Quantity 1 20A, 11kV D Fuse 30A, 11kV D Fuse 40A, 11kV D Fuse 20A, 33kV D Fuse 30A, 33kV D Fuse 40A, 33kV D Fuse lease quote us your best prices, CIF to Harare, Zimbabwe. Please indicate the total weight of the package, delivery time (preferred time is within two weeks on placing of order) and preferred payment terms. Please ensure your quote is to these specifications and please provide all certifications for the products as well as data sheets.
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