مطحنة الكرة 30hp 960 rpm; ... E564 Marathon 30 hp 1800 RPM 286T 230/460V TEFC Explosion . Description. Compliance Restrictions. 30 hp 1800 RPM, / amps 230/460 Volts 60hz. Three Phase Motor. NEMA 286T Frame Keyed Shaft 1 7/8 " Diameter x 4 5/8". Explosion Proof: Class 1, Group C D; Class II, Group F G. Service Factor: 1. ...