OverviewThe YBK3 series are explosion-proof asynchronous motors engineered for operation in hazardous underground coal-mine environments. They provide continuous-duty (S1) performance and are designed for integration with mining equipment requiring Ex db IMb protection.
Applications- Designed for use in underground coal mines and other hazardous locations requiring explosion-proof motor equipment.
Technical specifications- Frame: H80–H450
- Rated power: 0.37 kW–1120 kW
- Number of poles: 2P, 4P, 6P, 8P, 10P
- Rated voltage: 380/660 V, 660/1140 V
- Rated frequency: 50 Hz
- Duty: S1 (continuous)
- Thermal classification: 155 (F), 180 (H)
- Ingress protection: IP55, IP67
- Explosion-proof grade: Ex db IMb
- Cooling method: IC411
- Thermal element: Pt100, SWK