NB/T 11140-2023 Technical specification of permanent magnet synchronous speed controller for mine explosion-proof electric rubber tyred vehicle

GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB/T 12668.3-2012 Adjustable speed electrical power drive systems—Part 3:EMC requirements and specific test methods GB/T 14048.1-2012 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 17619-1998 Limits and methods of testing for immunity of electrical/electronic sub—assemblies in vehicles to electromagnetic radiation GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product MT/T 661-2011 Common Technical Requirements for Electrical Equipment for Coal Mine Underground Workings GB/T 191-2025 Graphical symbols marking for handling and storage of packages