ISO 20949:2018
Aircraft — Smart contactor — General requirements

Standard No.

ISO 20949:2018

Release Date

2018

Published By

International Organization for Standardization (ISO)

Latest

ISO 20949:2018

Scope

This document specifies the definitions, titles of design and general requirements and test methods to determine the performance of smart contactors for use in aircraft electrical power systems. The smart contactor consists of a switching driving circuit and a power switch for protection, action on control signals, and providing status information.

ISO 20949:2018 Referenced Document

• ISO 1540 Aerospace - Characteristics of aircraft electrical systems
• ISO 2678:1985 Environmental tests for aircraft equipment; Insulation resistance and high voltage tests for electrical equipment
• ISO 7137:1995 Aircraft - Environmental conditions and test procedures for airborne equipment

ISO 20949:2018 history

• 2018 ISO 20949:2018 Aircraft — Smart contactor — General requirements