The flameproof performance of YBX4 series flameproof three-phase asynchronous motors conforms to the provisions of GB/T 3836.1-2021 "Explosive Atmosphere Part 1: General Requirements for Equipment" and GB/T 3836.2-2021 "Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosure 'D'". The mechanical and electrical performance of the electric motor complies with XL/QB-01/2023 technical specifications for high-efficiency motors.
Technical Standards & Features:
Suitable for electric drive in underground coal mines and factories containing explosive gas mixtures. Features include high efficiency, low noise, small vibration, and high blocking torque. Widely used in petroleum, chemical, and coal industries.
| 1. Maximum operating altitude is 1000 meters (custom solutions for higher altitudes). |
| 2. Maximum ambient air temperature is 40 °C (customization for higher temperatures available). |
| 3. Power frequency: 50Hz(60Hz) ± 1%. |
| 4. Operating voltage variation range: within ±5% of the rated voltage. |
| 5. Motor rating: Continuous duty S1. |





Our comprehensive range includes TYZD permanent magnet motors, IP23 compressor motors, YBBP flameproof variable frequency motors, YBX3/YBX4 series, YE3/YE4/YE5 high-efficiency motors, YVF2 series, and specialized motors for injection molding machines, reducers, and NEMA standards.


As a global supply chain participant, the enterprise focuses on high-efficiency energy-saving motors and specialized motor products. Applications span across water pumps, fans, refrigeration compressors, screw compressors, paper machinery, machine tools, mining machinery, and rubber machinery.





We hold ISO9001, ISO45001, ISO14001, CE, CCS, and CCC explosion-proof certifications. We advocate for lean production and a zero-defect concept to ensure 100% user satisfaction.