T/CNCA 047-2023 General specification of explosion-proof step motor for mining

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB 755-2000 Rotating electrical machines—Rating and performance GB/T 755-2008 Rotating electrical machines—Rating and performance GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 755.2-2003 Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles) GB/T 997-2003 Classification of types of construction and mounting arrangements for rotating electrical machines(IM code) GB/T 997-2008 Rotating electrical machines—Classification of types of construction,mounting arrangements and terminal box position for(IM Code) GB/T 997-2022 Classification of types of construction,mounting arrangements and terminal box position (IM Code) for rotating electrical machines GB/T 1032-2012 Test procedures for three-phase induction motors GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic 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 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 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines—Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1080 GB/T 4942-2021 Degrees of protection provided by the integral design of rotating electrical machines(IP code)—Classification GB 10068-2000 Mechanical vibration of certain machines with shaft heights 56mm and higher—Measurement,evaluation and limits of vibration GB/T 10068-2008 Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement,evaluation and limits of vibration severity GB/T 10068-2020 Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement,evaluation and limits of vibration severity GB/T 10069.1-2006 Measurement of the airborne noise emitted by rotating electrical machines and the noise limits—Part 1:Method for the measurement of airborne noise emitted by rotating electrical machines GB/T 20638-2006 General specification for stepping motors AQ 1043-2007 Mining Product Safety Mark Identification GB/T 755-2025 Rotating electrical machines—Rating and performance GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 4772.1-2025 Dimensions and output series for rotating electrical machines—Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1 080