Allegro Heavy Duty Explosion-Proof Blower, 220V/50Hz Electric, explosion-proof motor is UL/CSA listed. Single-phase motor includes Hazardous Location NEMA rated 115V plug for use with explosion-proof socket (included). ABS housing provides non-sparking safety. Meets Class I, Divisions I and II, Group D and Class II, Divisions I and II, Groups F and G Hazardous Location Requirements. Warning: Explosion-Proof Blowers must be used with statically conductive ducting. Free Air One 90° Bend Two 90° Bends 1570 1100 900 78 lbs. 3/4 hp 11A/115V/230V     ÂAllegro Industries