GB/T 14048.5-2008 Low-voltage switchgear and controlgear - Part 5-1:Control circuit devices and switching element - Electromechanical control circuit devices (English Version)
2017GB/T 14048.5-2017 Low-voltage switchgear and controlgear—Part 5-1: Control circuit devices and switching element—Electromechanical control circuit devices
2008GB 14048.5-2008 Low-voltage switchgear and controlgear.Part5-1: Control circuit devives and switching element.Electromechanical control circuit devices
2001GB 14048.5-2001 Low-voltage switchgear and controlgear Part 5-1: Control circuit devices and switching element Electromechanical control circuit devices