GOST 21428-1975
Enamelled copper round wires with temperature index 155. Specifications

Standard No.

GOST 21428-1975

Release Date

1975

Published By

RU-GOST R

Latest

GOST 21428-1975

Scope

This standard applies to round copper wires of PET-155 grade, insulated with heat-resistant polyetherimide-based varnish,

GOST 21428-1975 Referenced Document

• GOST 10519-1976 Enamelled wires. Method of accelerated determination of thermal resistance*， 1976-04-19 Update
• GOST 14340.10-1969 Enamelled round winding wires. Method of the insulation abrasion test
• GOST 14340.7-1974 Enamelled round winding wires. Method of the breakdown voltage test
• GOST 15150-1969 Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence
• GOST 26615-1985 Enamelled winding wires. Specifications*， 1985-04-19 Update
• GOST 8865-1970 Electrical insulating materials for electrical machines, transformers and devices. Classification by heat resistance

GOST 21428-1975 history

• 1975 GOST 21428-1975 Enamelled copper round wires with temperature index 155. Specifications