
Standard:
GB 20044-2012 Electrical accessories - Portable residual current devices without integral overcurrent protection for household and similar use (PRCD)
GB 14048.1-2012 Low-voltage switchgear and control gear―Part 1: General rules
GB 14048.2-2008 Low-voltage switchgear and control gear-Part 2:Circuit-breakers
Q/GDW 11421-2015 Technical Specification for External Circuit Breakers of Electric Energy Meters
Main Features: