This document specifies the reliability indicators, reliability test methods, reliability verification test schemes and procedures, test records, reliability test methods and steps for live operation, and the impact of the electromagnetic environment on the reliability of moulded case circuit-breakers of moulded case circuit-breakers (hereinafter referred to as the “MCCBs”). This document is applicable to reliability testing of MCCBs that comply with GB/T 14048.2 and have a rated current not exceeding 250 A. Reliability testing of MCCBs with a rated current exceeding 250 A is to be conducted with reference to this document.
Basic Data
Standard ID
GB/T 22200.2-2025 (GB/T22200.2-2025)
Description (Translated English)
Reliability for low-voltage apparatus - Part 2: Reliability test method of moulded case circuit-breakers
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
K33
Classification of International Standard
29.120.70
Word Count Estimation
26,296
Date of Issue
2025-12-31
Date of Implementation
2026-07-01
Older Standard (superseded by this standard)
GB/Z 22074-2016
Issuing agency(ies)
State Administration for Market Regulation, Standardization Administration of China
