DIN VDE 0664-401:2012 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 401: RCBO Type B+
2012DIN VDE 0664-401:2012 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 401: RCBO Type B+
0000 DIN VDE 0664-210:2011
2009DIN V VDE V 0664-210:2009 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+