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Air-Insulated Disconnector (11–36 kV): Selection & Application Guide
Technical selection guide for 11–36 kV air-insulated disconnectors and load break switches — types, IEC 62271-103, visible break, earthing and application rules.
Polymer Insulator (11–35 kV): Types, Pollution Classes & Selection
Guide to 11–35 kV polymer (composite) insulators — silicone rubber weathersheds, IEC 61952, creepage distance, pollution classes and pin/post selection.
MV Distribution Glossary: Fuse Cutouts, Disconnectors & Insulators
A 16-term MV distribution glossary covering expulsion fuse cutouts, air-insulated disconnectors, polymer insulators, reclosers and switchgear, with IEC references.
High-Voltage Air-Insulated Disconnector (12 kV, 630 A): Selection & Application Guide
Technical selection guide for the 12 kV GN-12/630-20 air-insulated disconnector — ratings, type-test results, GB/T 1985 / IEC 62271-102 compliance and application rules.
Outdoor Enclosed Expulsion Fuse Cutout (12 kV, 6–100 A): Selection & Application Guide
A complete guide to the 12 kV outdoor full-insulation enclosed expulsion fuse cutout — PRW-12/(6-100)-12.5 ratings, type-test data, GB/T 15166.3 / DL/T 640 standards and selection for distribution transformer protection.
Expulsion Fuse Cutout (11–35 kV): The Complete Selection & Application Guide
A complete technical guide to 11–35 kV expulsion fuse cutouts — construction, IEC 60282-2 ratings, dropout operation and selection for overhead MV networks.