JB/T 8980-2007 in English

本标准规定了转动式交流接触器的基本规则和要求，包括术语、特性、正常工作和安装条件、结构和性能要求、验证特性和性能要求的试验方法与规则和标志等。本标准适用于交流50Hz，额宝电压至交流1000V电力线路中的接触器，主要供冶金、轧钢企业起重机等的电气设备中，作远距离接通和分断电路，并作为交流电动机频繁的起动，停止和反接等之用。

Scope

This standard specifies the basic rules and requirements for rotary AC contactors (hereinafter referred to as contactors), including terminology, characteristics, normal operating and installation conditions, structural and performance requirements, test methods and rules for verifying characteristics and performance requirements, and signs, etc. . This standard is applicable to contactors in power lines with AC 50Hz and rated voltage up to 1000V AC. It is mainly used in electrical equipment such as cranes in metallurgy and steel rolling enterprises to make and break circuits over long distances, and as a frequent starting and stopping device for AC motors. and reverse connection, etc.