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Allegro 9503-E 220V/50Hz Heavy Duty Explosion Proof Blower

$2,583.00 $1,937.50 /
(You save $645.50)
76.00 LBS
Ships 5-7 Days
Calculated at checkout

In Stock

Ships Within 24 Hours

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Electric, explosion-proof motor is UL/CSA listed. Single-phase motor includes Hazardous Location NEMA rated 115V plug (included). ABS housing provides non-sparking safety. Meets Class I, Divisions 1 and 2, Group D and Class II, Divisions 1 and 2, Groups F and G Hazardous Location Requirements.

Smart compact design allows for easy use and storage without sacrificing airflow. It meets explosion proof requirements. Two 8” (20.3cm) ports offer positive ventilation or fume extraction.


  • 8” (20.3cm) flange on intake and exhaust side
  • Tough safety orange polyethylene construction
  • One piece housing with integrated handle
  • 12 gauge, black powder coated steel base
  • Steel handle
  • Aluminum blower wheel with aluminum hub
  • Steel black powder coated grill
  • Equipped with five rubber feet


HP: 3/4 HP, UL Listed, CSA Certified, CE Registered
Voltage: 220V AC, 50 Hz, Single Phase
Max RPM: 1425 (Loaded at 220 Volts, 50 Hz) Nom EF: 66%
Current Draw: 4.8 A
Cord: 25' (7.62m) SJOOW, 12/3 AWG, 90C 300V
Plug: NEMA 220V 20 A, Hazardous Location "ECP" type

Ducting: (Optional)

  • Black, single-ply lightweight vinyl/polyester, neoprene coated (250°F (121.1°C) temperature resistant)
  • Retractable, non-collapsible design, Class I hard drawn spring steel wire helix, ASTM 227 Specs

Blower Dimensions:

Length In (cm) Width In (cm) Height In (cm) Weight Lbs (Kg)
21" (53.3 cm) 17" (43.1 cm) 19" (48.2 cm) 76 lbs (34.4 kg)

Explosion Proof Model:

Free Air One 90° Bend Two 90° Bends
1570 1100 900
76 lbs. 3/4 hp 11A/115/230V


Product Videos

Allegro Industries - Confined Space 04:05

Many workplaces contain spaces that are considered "confined" because their configurations hinder the activities of any employees who must enter, work in and exit them. Allegro Al demonstrates how to ventilate these areas using a variety of Allegro ventilation blowers.

  • Allegro Indust...
    Many workplaces contain spaces that are considered "confined" ...