This part of JB/T 7565 specifies the type, basic parameters and dimensions, technical requirements, test methods, Inspection rules, markings, packaging and warranty period. This part applies to outdoor (code W), humid tropical zone (code TH), outdoor humid tropical zone (code THW), dry tropical zone (code TA), outdoor dry tropical zone (code TAW) series flameproof three-phase asynchronous motors (base No. 63~355) (hereinafter referred to as the motor). Motors with other requirements derived from this series of motors may also refer to this section.
JB/T 7565.2-2015 Referenced Document
GB 1971-2006 Rotating electrical machines. Terminal markings and direction of rotation
GB 3836.2-2010 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
GB 3836.3-2010 Explosive atmospheres.Part 3:Equipment protection by increased safety "e"
GB 755-2008 Rotating electrical machines.Rating and performance
GB/T 10068-2020 Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement, evaluation and limits of vibration severity*， 2020-03-31 Update
GB/T 1032 Three-phase asynchronous motor test methods*， 2023-09-07 Update
GB/T 1993 Cooling methods for rotating electrical machines
GB/T 2423.1 Environmental testing for electric and electronic products.Part 2:Test methods.Tests A:Cold
GB/T 2423.16-2008 Environmental testing for electric and electronic products.Part 2:Test methods.Test J and guidance:Mould growth
GB/T 2423.17-2008 Environmental testing for electric and electronic products.Part 2:Test method.Test Ka:Salt mist
GB/T 2423.4 Environmental testing for electrical and electronic products - Part 2: Test method Test Db alternating damp heat (12h + 12h cycle)
GB/T 4772.1 Dimensions and output series for rotating electrical machines. Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
GB/T 4798.4 Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 4: Stationary use at non-weatherprotected locations*， 2023-05-23 Update
GB/T 4942.1 Degrees of protection provided by the integral design of rotating electrical machined (IP code) - Classification
GB/T 997-2008 Rotating electrical machines.Classification of types of construction,mounting arrangements and terminal box position for(IM Code)
JB/T 7565.2-2015 history
2015JB/T 7565.2-2015 Specification of flameproof three-phase asynchronous motor.Part 2: YB3-W, YB3-TH, YB3-THW, YB3-TA & YB3-TAW series flameproof three-phase asynchronous motor (frame size 63 to 355)
2002JB/T 7565.2-2002 Specification of flameproof three phases asynchronous motor Part2：YB2－W、YB2－TH、YB2－THW、YB2－TA、YB2－TAW series flameproof three phases asynchronous motor(Frame size 63 to 355)