GB/T 22200.7-2025Reliability of low-voltage apparatus - Part 7: Reliability test method for contactors (English PDF)

1 Scope

This document specifies the reliability indicators, reliability test methods, reliability verification test plans and procedures, and test records for contactors.

With test reports, reliability test methods and procedures under live operation.

This document applies to the reliability test methods for contactor products conforming to GB/T 14048.4.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 2900.18-2008 Electrical Engineering Terminology - Low-Voltage Electrical Appliances

GB/T 2900.99-2016 Reliability of Electrical Engineering Terminology

GB/T 5080 (All Parts) Equipment Reliability Testing

GB/T 14048.1-2023 Low-voltage switchgear and controlgear – Part 1.General principles

GB/T 14048.4-2020 Low-voltage switchgear and controlgear – Part 4-1.Contactors and motor starters – Electromechanical type

Contactors and motor starters (including motor protectors)

GB/T 14048.5-2017 Low-voltage switchgear and controlgear – Part 5-1.Electromechanical components of control circuits and switching elements

Type control circuit electrical appliances

Standard mounting rails for mechanical supports

GB/T 22200.1-2025 Low-voltage electrical appliances - Reliability - Part 1.General rules

3 Terms, Definitions and Symbols