AS 1137.3-1972
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Insulators Porcelain and glass indoor and outdoor station post insulators (for voltages greater than 1000 V a.c.)
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10-09-2023
English
01-01-1972
This specification applies to post insulators and post insulator units, in which the insulating material is of porcelain, toughened glass or annealed glass, for use indoors or outdoors, at nominal voltages greater than1000 V and a frequency not greater than 100 Hz.
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