High Efficiency Explosion-Proof Motor
CMTB Series High-Efficiency Flameproof Permanent Magnet Synchronous Motor
The CMTB Series Ultra-High Efficiency Flameproof Permanent Magnet Synchronous Motor features the following characteristics:
- Power ratings and mounting dimensions comply with International Electrotechnical Commission (IEC) standards and correspond identically to the German DIN 42673 standard.
- Flameproof performance meets the requirements of GB 3836.1-2010 and GB 3836.2-2010, with an explosion‑proof marking of Ex d IIC T4 Gb.
- Based on the standard series, special variants can be manufactured to suit specific environmental, climatic, and corrosive conditions.
- Complies with the Grade 1 energy‑efficiency limits specified in GB 30253-2024.
- Suitable for equipment used in explosive gas atmospheres (excluding coal mines), offering a “High” level of protection.














