500A residual current testing device

The utility model relates to a 500A residual current testing device, which relates to the technical field of low-voltage electrical equipment detection and comprises a voltage source, an S1 switch device, an expected wave switching device, a phase selection switch, an AC waveform switching device, a positive and negative half-wave selection device, a resistance device and a mutual inductor which are electrically connected in sequence. The expected wave switching device is connected in parallel with a test object installation piece provided with a test object port, and the mutual inductor is further connected with a measurement and control device. According to the utility model, the residual current operated protector can be detected according to the GB16917.1/GB16916.1/GB2279/IEC62752 standard, and the test current of 5-500A can be output. 本实用新型涉及一种500A剩余电流测试装置，涉及低压电器设备检测技术领域，其包括依次电连接的电压源、S1开关装置、预期波切换装置、相位选择开关、AC波形切换装置、正负半波选择装置、电阻装置、以及互感器，互感器与电压源电连接以构成回路，预期波切换装置并联有设有试品端口的试品安装件，互感器另连接有测控装置。本实用新型能满足GB16917.1/GB