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ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower - Axial Blower & Ducting Combination Units
ALLEGROAxial Blower & Ducting Combination Units

ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower

The ALLEGRO Confined Space Blower is an axial blower and ducting combination unit (MPN 9520-46M) with a 12 in duct diameter and 1/4 hp motor, operating on 12 V DC with vehicle battery hookups. It includes a manhole…

SKU 3G-OTH-543435

Brand
ALLEGRO
Item
Confined Space Blower: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower
Category
Axial Blower & Ducting Combination Units
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Technical Specifications

ALLEGRO
Manufacturer Part Number
9520-46M
Type
Orange/Yellow
Duct Dia
12 in
Includes
Manhole Ventilation Pass-thru
Horsepower
1/4 hp
Operating Voltage
12 V DC with Vehicle Battery Hookups
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Technical Documents

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ALLEGRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ALLEGRO Confined Space Blower is an axial blower and ducting combination unit (MPN 9520-46M) with a 12 in duct diameter and 1/4 hp motor, operating on 12 V DC with vehicle battery hookups. It includes a manhole ventilation pass-thru and comes in an orange/yellow finish.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

Is the ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower available from 3G Electric?

Yes — 3G Electric supplies genuine ALLEGRO products, available to order with worldwide shipping. Contact us for current lead time.

How do I get a quote for the ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for axial blower & ducting combination units?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all axial blower & ducting combination units we distribute.

Used in

Common applications for ALLEGRO
Industrial hygiene monitoring — ALLEGRO lead cassettes (9804-14) for airborne lead sampling in manufacturing facilities.
Confined space ventilation — ALLEGRO axial blower (9548) for air movement in tanks or vaults during maintenance.
Temporary heating on construction sites — ALLEGRO portable electric heater (9401-50) for work tents in cold weather.
Sampling pump maintenance — ALLEGRO service kits (9804-40) for replacing vanes and filters in IAQ pumps.
Asbestos or particulate analysis — ALLEGRO TEM cassettes (9804-17) for electron microscopy sample collection.
HVACR system testing — ALLEGRO axial blower (9548) for ventilation testing in ductwork or equipment rooms.

ALLEGRO Products

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.

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ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, 3,800 RPM Blower/Fan Speed (MPN 9506-25). Key specifications — Brand: ALLEGRO; Includes: 25 ft Duct with Extension Canister; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
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ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, 3,800 RPM Blower/Fan Speed (MPN 9506-25). Key specifications — Brand: ALLEGRO; Includes: 25 ft Duct with Extension Canister; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
ALLEGRO Confined Space Blower: 115 V AC, 16 in Duct Dia, 1 hp Horsepower, 3,450 RPM Blower/Fan Speed (MPN 9553-25). Key specifications — Brand: ALLEGRO; Operating Voltage: 115 V AC.
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ALLEGRO Confined Space Blower: 115 V AC, 16 in Duct Dia, 1 hp Horsepower, 3,450 RPM Blower/Fan Speed (MPN 9553-25). Key specifications — Brand: ALLEGRO; Operating Voltage: 115 V AC.
ALLEGRO Confined Space Fan Kit: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, Orange, 13 A Current (MPN 9520-06M). Key specifications — Brand: ALLEGRO; Includes: Storage Bag; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
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ALLEGRO Confined Space Fan Kit: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, Orange, 13 A Current (MPN 9520-06M). Key specifications — Brand: ALLEGRO; Includes: Storage Bag; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
ALLEGRO Confined Space Fan: 115/230 V AC, 12 in Duct Dia, 1 hp Horsepower, Orange, 13 A Current (MPN 9543-15). Key specifications — Brand: ALLEGRO; Operating Voltage: 120/240 V AC.
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ALLEGRO Confined Space Fan: 115/230 V AC, 12 in Duct Dia, 1 hp Horsepower, Orange, 13 A Current (MPN 9543-15). Key specifications — Brand: ALLEGRO; Operating Voltage: 120/240 V AC.
ALLEGRO Confined Space Blower: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, 3,800 RPM Blower/Fan Speed (MPN 9536-50). Key specifications — Brand: ALLEGRO; Includes: 50 ft Duct; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
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ALLEGRO Confined Space Blower: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, 3,800 RPM Blower/Fan Speed (MPN 9536-50). Key specifications — Brand: ALLEGRO; Includes: 50 ft Duct; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
ALLEGRO Confined Space Fan: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Orange, 4.4 A Current (MPN 9533-15). Key specifications — Brand: ALLEGRO; Includes: Steel Powder Coated Grill; Operating Voltage: 120/240 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Orange, 4.4 A Current (MPN 9533-15). Key specifications — Brand: ALLEGRO; Includes: Steel Powder Coated Grill; Operating Voltage: 120/240 V AC.
ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, 816 cfm Max Flow in Free Air (MPN 9536). Key specifications — Brand: ALLEGRO; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
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ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower, 816 cfm Max Flow in Free Air (MPN 9536). Key specifications — Brand: ALLEGRO; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 900 cfm Max Flow in Free Air (MPN 9538). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag; Operating Voltage: 115 V AC.
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ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 900 cfm Max Flow in Free Air (MPN 9538). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag; Operating Voltage: 115 V AC.