Zhejiang Yongjia Luofu Anti-blast Electrical Machinery Factory.

Format, basic parameter and size

1.1　The electromotor should be made as anti-explosive model under the requirement of GB3836.2，the anti-explosive marks are dⅠ、 dⅡAT4、dⅡBT4(see GB3836.1）。
1.2　The cover protection level of the electromotor is IP55（see GB/T4942.1）。
1.3　The cooling method of the electromotor is IC411（see GB/T1993）。
1.4　Structure and installation way: IMB3、IMB5、 IMB6、IMB7、IMB8、IMB14、IMB34、IMB35、IMV1、IMV3、IMV5、IMV6、IMV15、IMV18 and IMV36（see GB/T997），it is made under the requirement in chart 1.

Models	Structure and installation code name
63～71	B3、B5、B6、B7、B8、B14、B34、V1、V3、V5、V6、V18
80～112	B3、B5、B6、B7、B8、B14、B34、B35、V1、V3、V5、V6、V15、V18、V36
132～160	B3、B5、B6、B7、B8、B35、V1、V3、V5、V6、V15、V36
180～280	B3、B5、B35、V1
315～355	B3、B35、V1

1.5　The ration of the electromotor is a continuous ration taking S1 as basic standard.
1.6　The rated frequency of the electromotor is 50Hz，rated voltage are380、660、380/660V。
　　 Remark: the rated voltage of electromotor is under 3KW is 380V。
1.7　Electromotor should meet following rated power:
0.12，0.18，0.25，0.37，0.55，0.75，1.1，1.5，2.2，3，4，5.5，7.5，11，15，18.5，22，30，37，45，55，75，90，110，132，160，（185），200，（220），250，（280），315KW。
　　 Notes: the items with bracket are un-recommended specifications.
1.8　The model and relation between turn speed and power of YB2 series and YB series should see chart 4.
2　Technical data：
2.1　Technical condition：
　　 Environment temperature: It will change with the seasons, 40℃ max, -15℃ minimum. Altitude: below 1000M
　　 Rated voltage：220V、380V、660V、220/380V、380V/660V　Working way：continuous（S1）
2.2　Electric performance see chart 5
3　Installation structure way
3.1　Installation structure way（IM）
　　The installation way of this series electromotor conforms to the requirements of GB997 and IEC34-7.
　　This series electromotor has three basic structure model: B3-base with fundus foot, without flange,B5-base with fundus foot,flange，B35-base with fundus foot and flange. On the basis of above three basic structure, it can have 12 installation structure way (see chart 2)

4　The steel tube out line screw thread of the junction box is made in the requirement of chart 3

Base number	H80～112	H132～180	H200～225	H250～355
Out line screw thread	M30×2	M36×2	M48×2	M64×2

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