ALLEGRO Confined Space Blower: 115/230 V AC, 12 in Duct Dia, 1 hp Horsepower
The ALLEGRO Confined Space Blower (MPN 9520-43M) is an axial blower and ducting combination unit with a 12-inch duct diameter and 1 hp motor, operating at 120/240 V AC. It includes a duct storage bag and is available…
SKU 3G-OTH-543438
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Product Description
The ALLEGRO Confined Space Blower (MPN 9520-43M) is an axial blower and ducting combination unit with a 12-inch duct diameter and 1 hp motor, operating at 120/240 V AC. It includes a duct storage bag and is available in an orange/yellow color. 3G Electric interprets your confined-space ventilation needs, sources this genuine ALLEGRO unit, and supports your team with specialist expertise across 14 industrial departments — including combustion, pumps, and controls — backed by authorized distributor relationships with brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.
Frequently Asked Questions
What is the ALLEGRO Confined Space Blower used for?
The ALLEGRO Confined Space Blower (MPN 9520-43M) is used to ventilate confined spaces such as tanks, vaults, and manholes. It supplies fresh air to protect workers from hazardous atmospheres. 3G Electric sources this genuine ALLEGRO unit and supports your application with specialist expertise across 14 industrial departments.
What are the specifications of the ALLEGRO 9520-43M blower?
The ALLEGRO 9520-43M is an axial blower with a 12 in duct diameter, 1 hp motor, and operating voltage of 120/240 V AC. It includes a duct storage bag and comes in orange/yellow. 3G Electric supplies this unit and can advise on compatible ducting for your confined-space ventilation needs.
Where to buy the ALLEGRO Confined Space Blower worldwide?
3G Electric supplies the ALLEGRO Confined Space Blower (MPN 9520-43M) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time. We also provide specialist support across 14 industrial departments including pumps and controls.
How to select the right confined space blower for my application?
Select a blower based on duct diameter, airflow volume, and power supply. The ALLEGRO 9520-43M offers a 12 in duct and 1 hp motor at 120/240 V AC. 3G Electric can help match your confined-space ventilation requirements with the correct ALLEGRO model and accessories, leveraging our expertise across industrial departments.
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3G Electric supplies ALLEGRO axial blower & ducting combination units. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









