Residual current operated circuit-breakers type B with integral overcurrent protection to operate at residual alternating and residual direct currents for advanced preventative protection against fire - Part 210: RCBO Type B+
高级防火保护用剩余交流电和剩余直流电下运行的带整体过电流保护的剩余电流动作断路器B型第210部分:RCBO B型+