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YB2 series motor:, 1.Highly standardized,unversal design., 2.Insulation class:F., 3.Output Power: 0.18kw-90kw - details see: https://www.machineto.com/yb2-series-flame-proof-three-phase-motor-electric-10238372

Brief introduction of the products
1.1Derived from Y2 series(IP54), YB2 series explosion-proof three-phase asynchronous motor is the upgraded model of YB series. Main characteristics have reached international advanced level in 1990’s. It has higher level safety protection measures to make it to be safer and more reliable. It can be applied in occasions that require higher safety standards, such as coal mine and those factories that contain volatile mixed air.

1.2YB2 series implement the standards of JB/T7565.1-2004 (YB2 series explosion-proof three-phase asynchronous motor technical qualification) and has obtained the explosion-proof certification. It consists of 15 frames ranging from 63 to 355, with a wide power range from 0.12 to 315 KW, totally 82 specifications. It has two types:dI and dII,with dI applied coal mine and dII applied in factory.

1.3Characteristics:
1)Highly standardized,unversal design.The installation size is basically the same as YB series.
2)The motor has a unique design of parallel and vertical radiating slices which not only improve the radiating capability but also make the appearance more elegant.
3)Insulation class;F.

1.4Working conditions:
1). Ambient temperature: d II type -15°C≤θ≤40°C.d I type -15°C≤θ≤35°C
2).Elevation : Be lower than 1000 meters.
3).Relative humidity: Not higher than 95% for d I. Not higher than 90% for d II.
4).Rated voltage:380 V, 660 V , 380/660 V.
5).Frequency: 50 HZ.
6).Cooling method: IC411.
7).Protection class: IP55