GOST 30011.4.1-1996 Low-voltage switchgear and controlgear. Part 4. Contactors and motor-starters. Section 1. Electromechanical contactors and motor-starters
1996GOST 30011.4.1-1996 Low-voltage switchgear and controlgear. Part 4. Contactors and motor-starters. Section 1. Electromechanical contactors and motor-starters