JB/T 10185-2000 in English

本标准规定了HK系列开关熔断器组(负荷开关)(以下简称开关)的术语、符号、代号，产品型号、规格、标志、正常工作条件和安装条件、技术要求、试验方法及检验规则等。
本标准适用于交流频率为50 Hz.额定电压为单相220 V，三相380 V,额定电流至63 A的电路中的总开关:支路开关以及电灯，电热器等操作开关，作为手动不频繁地接通与分断有负荷电路及小容量线路的短路保护之用的开关。

Scope

This standard specifies the terms, symbols, codes, product models, specifications, signs, normal working and installation conditions, technical requirements, test methods and inspection rules for HK series switch-fuse groups (load switches). This standard is applicable to main switches in circuits with an AC frequency of 50Hz, rated voltage of single-phase 220V, three-phase 380V, and rated current up to 63A: branch switches and operating switches for lights, electric heaters, etc., as manual and infrequent switching Switches used for loaded circuits and small-capacity lines and moderate protection.