SAFE AREA MOTORS W21 - Line Multi-voltage general purpose motor W22 - Line Efficiency and reliability for industry W40 - Line Open induction motor W50 - Line Motor for heavy duty applications W60 - Line Compact in size, giant in performance Master - Line Customized, flexibility of their electrical and mechanical INCREASE SAFETY MOTOR W21Xec - Increased safety Ex ec Safety and reliability for Zone 2 – Ex ec/Ex nA W22Xec - Increased safety Ex ec Increase safety motors / dust ignition proof Ex ec/Ex tc W50Xec - Increased safety Ex ec Heavy duty increased safety Ex ec HAZARDOUS AREA MOTOR W21Xdb - Flameproof Ex db Explosionproof motor for Zone 1 and Zone 2 Ex db W22Xdb - Flameproof Ex db Explosion proof motors for Zone 1 and Zone 2 Ex db/Ex tb