YB3 Flameproof Electric Motor

YB3 Flameproof Electric Motor For Petroleum Chemical Industry

YB3 series high-efficiency high-voltage flame-proof three-phase asynchronous motor adopts cast iron frame, which has the characteristics of compact structure, high protection level, convenient installation and maintenance, etc. With the advantages of low vibration and long service life, the energy efficiency index reaches the first-class energy efficiency level in GB30254-2013. This series of motors are suitable for driving various general mechanical equipment such as fans, compressors, water pumps, machine tools, and transportation machinery, and are used as prime movers in various industrial and mining enterprises such as mining, steel, machinery, petroleum, chemical industry, and power stations.
Explosion-proof grade: ExdI Mb Exd IIB T4Gb

The explosion-proof performance of this series of motors complies with the provisions of GB 3836.1-2010 "Explosive Atmospheres Part 1: General Requirements for Equipment", GB 3836.2-2010 "Explosive Atmospheres Part 2: Equipment Protected by Flameproof Enclosure "d"" Explosion-proof type, explosion-proof grade is Exd IMb, Exd Ⅱ BT4 Gb. Mainly used in places with explosive gas mixtures.
Rated voltage: 3000V, 6000V or 10000V, tolerance ±5%
Rated frequency: 50Hz, allowable deviation ±1%; frequency conversion motor can also be made according to user requirements
Ambient air temperature: -20℃～+40℃ (0℃～+40℃ when using sliding bearing)
Altitude: no more than 1000m
Working mode: S1 continuous working system
Transmission mode: coupling transmission, if it is other transmission mode, it should be stated when ordering
1. Frame number: 355～710
2. Power range: 185kW～2240kW
3. Voltage: 3000V～11000V
4. Frequency: 50Hz, 60Hz
5. Number of poles: 2P～12P
6. Thermal Rating: 155(F)
7. Temperature rise limit: 80K (Class B), 105K (Class F) (Maximum first power for each frame size and each pole number)
8. Vibration speed: 2.3mm/s
9. Efficiency: Class 1 energy efficiency. Comply with GB30254-2013 "Energy Efficiency Limits and Energy Efficiency Grades of High-Voltage Three-Phase Cage Induction Motors" Energy Efficiency Level 1.
10. Cooling method: IC411
11. Installation method: IMB3 (also can be made into IMB35, IMV1)
12. Protection class: IP55
13. Operation mode: S1
14. Explosion-proof grade: Exd IMb, Exd ⅡB T4 Gb
15. Environment: temperature -20～+40℃, altitude not higher than 1000m
16. Optional configuration: outdoor (W), outdoor moderate corrosion protection (WF1), outdoor strong corrosion protection (WF2), indoor moderate corrosion protection (F1), indoor strong corrosion protection (F2), wet tropical zone (TH) , dry tropical (TA), outdoor wet tropical (THW), outdoor dry tropical (TAW)