Pin insulator for telephone lines

Изоляторы штыревые фарфоровыеИзоляторы ТФ 20, ТФ 16, ТФ 12

LV Power Line RM-1 & RM-2 Pin Type Telegraph Porcelain Ceramic Insulator

Stay insulatorsModel NO. RM-3Main dimensionH mm 80h mm 30D mm 60

Mechanical properties: insulators are often subjected to the action of gravity and tension of the wire, wind force, ice weight, insulator dead weight, wire vibration, mechanical force of equipment operation, short-circuit electric force,...