BS 1434:1985

This standard BS 1434:1985 Specification for copper for electrical purposes: copper sections in bars, blanks and segments for commutators is classified in these ICS categories:

• 77.150.30 Copper products

This British Standard specifies requirements for flat sided wedge-shaped copper sections in bars (straight lengths and coils), blanks and segments, suitable for the manufacture of commutators for rotating machines, in the following size ranges:

1. thick edge thickness (T) up to 15 mm;
2. height (H) from 6 mm to 200 mm;
3. height to thin edge ratio (H/t) up to 50.

This standard does not cover copper for flat face commutators, commonly rectangular section strip and bar, which is covered by BS 1432 and BS 1433.

NOTE. The titles of the publications referred to in this standard are listed on the inside back cover.

Specifies requirements for flat sided wedge shaped section in bars (straight lengths and coils) blanks and segments, suitable for the manufacture of commutators for rotating machines.