This standard specifies the type, basic parameters and dimensions, technical requirements, inspection rules, marking and packaging requirements of the YZD series multi-speed three-phase asynchronous motors for lifting. This standard applies to three-phase asynchronous motors used for electrical transmission of various cranes. All kinds of motors derived from this series of motors can also be implemented with reference.
JB/T 7075-2002 history
2002JB/T 7075-2002 Technical specifications for YZD range of multi-speed three-phase induction motors for crane application
1970JB/T 7075-1993 Specifications for YZD series multi-speed three-phase asynchronous motors for hoisting