Blowers Axial 20 Explosion-Proof High Output Blower Allegro Safety Specifications Product Description VENTILATION BLOWER HIGH OUTPUT EXPLOSION PROOF Part Number 9525-50EX Style AXIAL FAN 20 ( 50.8 cm ) General Description Designed for applications requiring a maximum amount of output. Made from 16 gauge cold rolled steel housing and powder-coated in safety orange with 3 blade impeller. Powered by a 1 hp 3450 RPM UL listed IECEx ATEX INMETRO certified motor. Comes with an interchangeable flange for intake or exhaust mounting integrated carry handles for easy transport and a steel zinc plated grill. Four rubber feet built in on off switch and voltage change switch are added features of this powerhouse unit. Construction Complete unit epoxy powder-coated in orange Interchangeable flange for intake or exhaust side mounting 16 gauge cold rolled steel housing Integrated carry handles Steel grill ( zinc plated ) equipped with four rubber feet Built-in on off switch Duct grounding lug Motor HP 1 HP Certifications UL Listed IECEx ATEX INMETRO Certified Voltage Hz 115 230V AC 50 60 Hz Single Phase ( Integrated voltage selector ) RPM 3450 Current Draw 15.5 7.8A ( 60 Hz ) Cord 25 ( 7.63 m ) 12 3 AWG MTW 90 C 600 V Plug NEMA 20 Amp 115V or 200 V plug Explosion Proof rated Protection Thermal Automatic Reset Fan Anti-Static glass reinforced polyamide ( PAGAS ) three blade fan with aluminum hub Accessories Ducting Black single-ply neoprene coated statically conductive vinyl polyester material temp. resistant up to 250F ( 121.1C ) Retractable non-collapsible design Class 1 hard drawn spring steel wire helix ( meets ASTM 227 specs ) Grounding cable on both ends EX Rated Receptacle Iron mounting box with triple coat finish and spring-loaded door to keep out dust when in use. When plug is not in use a neoprene gasket inside receptacle seals around plug to keep out dirt water dust etc. 9503-03 125 V only 9503-06 250 V only EX Rated Extension Cords 9540-50EX 115 V 9540-60EX 230 V Hazardous Location Rating Motors EX Plugs ATEX II 2 G Ex d Gb NEC 500 Class I Group B C D Class II Group FG IECEx Ex d IIB Gb NEC 505 Class I Zone 1Group IIB H2 INMETRO Ex d IIB Gb Blower Dimensions Length In ( cm ) Width In ( cm ) Height In ( cm ) Weight Lbs ( Kg ) 19 ( 48.2 cm ) 22 ( 55.8 cm ) 22 (57.1 cm) 71 lbs ( 32.2 kg ) Flow Rates ( CFM calculated using 15 ( 4.57 m ) of 20 ( 50.8 cm ) ducting ) Free Air CFM ( m3 hr ) One 90 Bend CFM ( m3 hr ) Two 90Bend CFM ( m3 hr ) 6837 ( 11622.90 ) 5268 ( 8950.38 ) 4829 ( 8209.30 )