General low-voltage switchgear for mine

Use and scope of application GKD type general low-voltage switchgear for mining (hereinafter referred to as switchgear) has obtained mining qualification certificate and safety standard certification certificate. It is suitable for all kinds of mining areas, no gas, coal dust explosion danger places and other similar underground industrial production departments such as non-coal mine mountains. The switchgear is suitable for power plants, factories and mining enterprises and other power users with AC 50HZ, rated working voltage 660V,380V, rated working current up to 3200A and below Electric energy conversion and distribution control of power, lighting and distribution equipment. Reference execution of relevant standards GB 3636.1-2010 Explosive atmospheres - Part 1: General requirements for equipment GB 3836.3-2010 Explosive atmospheres - Part 3: Equipment protected by increased safety type "E" GB14048.1-2012 Low-voltage switchgear and control equipment - Part 1: General GB 14048.2-2008 Low-voltage switchgear and control equipment - Part 2: Circuit breakers GB/T 4208â??2008 Enclosure protection Class (IP code) GB/T12173-2008 General electrical equipment for mining GB/T156â??2007 Standard voltage GB/T191â??2008 Pictorial signs for packaging storage and transportation GB/T2423.4-2008 Electrical and electronic products - Environmental testing - Part 2: Test methods - Test DB: Alternating humid heat (12H+12H cycle) GB7251.1-2013 Low-voltage switchgear and control equipment - Part 1: General MT871-2011 Explosion-proof low voltage AC vacuum feed switch for mines Aq1043-2007 Safety marks for mining products