# ISO 1509:1973 — Withdrawn and superseded ISO standards

For ISO 1509:1973, item title is General purpose push-pull three-pole circuit-breakers for aircraft — Performance requirements; status code is 9599; successor is ISO 1509:2024 | ISO/WD 1509 | ISO/NP 1509; withdrawn / published date is 1973-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1509:1973 _(verified: appears in the quote below)_
- **Item title:** General purpose push-pull three-pole circuit-breakers for aircraft — Performance requirements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1509:2024 | ISO/WD 1509 | ISO/NP 1509
- **Withdrawn / published date:** 1973-11-01 _(verified: appears in the quote below)_

## What the source says

> 6097,IS,,ISO 1509:1973,General purpose push-pull three-pole circuit-breakers for aircraft — Performance requirements,Disjoncteurs tripolaires à bouton-poussoir d'usage courant utilisés à bord des aéronefs — Caractéristiques,1973-11-01,1,['49.060'],ISO/TC 20/SC 1,9599,,"[83798,33490,82785]","['en','fr']",9,"<p>Gives the requirements for circuit breakers having an inverse time/current characteristic, of normal ratings up to and including 35 A, for use in nominal 115/200 V three-phase 4OO Hz a. c. circuits. Includes definitions, design requirements, requirements for dimensions, construction, voltage and current ratings, environment, time/current characteristics, making and breaking capacity, en

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).