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BS EN 61009-1-2004
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs). General rules
适用范围:This International Standard applies to residual current operated circuit-breakers with integral overcurrent protection functionally independent of, or functionally dependent on, line voltage for household and similar uses (hereafter referred to as RCBOs), for rated voltages not exceeding 440 V a.c., rated currents not exceeding 125 A for fixed installation and rated short-circuit capacities not exceeding 25 000 A for operation at 50 Hz or 60 Hz.These devices are intended to protect people against indirect contact, the exposed conductive parts of the installation being connected to an appropriate earth electrode and to protect against overcurrents the wiring installations of buildings and similar applications. They may be used to provide protection against fire hazards due to a persistent earth fault current, without the operation of the overcurrent protective device.RCBOs having a rated residual operating current not exceeding 30 mA are also used as a means for additional protection in the case of failure of the protective means against electric shock.This standard applies to devices performing simultaneously the function of detection of the residual current, of comparison of the value of this current with the residual operating value and of opening of the protected circuit when the residual current exceeds this value, and also of performing the function of making, carrying and breaking overcurrents under specified conditions.These devices are intended for use in an environment with pollution degree 2.
实施日期: 2005-03-15
中标分类号: K31 - 电工 - 低压配电电器
ICS分类号: 29.120.50 - 电气工程 - 熔断器和其他过载保护装置
标准组织: BS - 英国标准学会标准
全文来源: WF
中文关键词: 附件 交流电流 交流电压 壳体 断路器 分类系统 接触安全装置 定义 设计 差分电流开关 差分电流 家用电气设备 接地漏泄断路器 电器 电气工程 电气装置 电气保护设备 电气安全 电磁兼容性 故障电流断路器 故障电流 一般条件 家用(安装)设备 家用设备 家用 铭刻 检验 线路开关 低电压 低压设备 作标记 小型断路器 安装材料 过流断路器 过电流保护装置 过载继电器 过电压保护装置 产品信息 性能 防电击 保护设备 评定 剩余电流驱动的断路器 剩余电流控制器件 自动断路器 规范(验收) 开关 开关设备 测试 跳闸机构(断路器)
英文关键词: EMC
语种: 汉语
页数: 168
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