We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 4 hp Horsepower - Axial Fans & Blowers
ALLEGROAxial Fans & Blowers

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

The ALLEGRO Confined Space Blower is a 12 V DC axial fan with a 12 in duct diameter, 4 hp horsepower, and 3,800 RPM blower speed. It includes a carry handle and operates via vehicle battery hookups (MPN 9546).

SKU 3G-OTH-545123

Brand
ALLEGRO
Item
Confined Space Blower: 12 V DC, 12 in Duct Dia, 4 hp Horsepower
Category
Axial Fans & Blowers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

ALLEGRO
Manufacturer Part Number
9546
Duct Dia
12 in
Includes
Carry Handle
Horsepower
4 hp
Blower/Fan Speed
3,800 RPM
Operating Voltage
12 V DC with Vehicle Battery Hookups
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The ALLEGRO Confined Space Blower is a 12 V DC axial fan with a 12 in duct diameter, 4 hp horsepower, and 3,800 RPM blower speed. It includes a carry handle and operates via vehicle battery hookups (MPN 9546).

Frequently Asked Questions

Is the ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 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, 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 fans & blowers?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all axial fans & blowers 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 fans & blowers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from ALLEGRO

View all ALLEGRO parts
ALLEGRO Confined Space Fan: 115/230 V AC, 16 in Duct Dia, 2 hp Horsepower, Orange, 21 A Current (MPN 9516). Key specifications — Brand: ALLEGRO; Operating Voltage: 120/240 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115/230 V AC, 16 in Duct Dia, 2 hp Horsepower, Orange, 21 A Current (MPN 9516). Key specifications — Brand: ALLEGRO; Operating Voltage: 120/240 V AC.
ALLEGRO High Output Fan: 115/230 V AC, 22 in Duct Dia, 1/2 hp Horsepower, 1,725 RPM Blower/Fan Speed (MPN 9541-22). Key specifications — Brand: ALLEGRO; Includes: Motor Mount; Operating Voltage: 120/240 V AC.
ALLEGRO
ALLEGRO High Output Fan: 115/230 V AC, 22 in Duct Dia, 1/2 hp Horsepower, 1,725 RPM Blower/Fan Speed (MPN 9541-22). Key specifications — Brand: ALLEGRO; Includes: Motor Mount; Operating Voltage: 120/240 V AC.
ALLEGRO Confined Space Fan: 115 V AC, 12 in Duct Dia, 1 hp Horsepower, 3,400 RPM Blower/Fan Speed (MPN 9539-12). Key specifications — Brand: ALLEGRO; Operating Voltage: 115 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115 V AC, 12 in Duct Dia, 1 hp Horsepower, 3,400 RPM Blower/Fan Speed (MPN 9539-12). Key specifications — Brand: ALLEGRO; Operating Voltage: 115 V AC.
ALLEGRO Confined Space Blower: 115 V AC, 16 in Duct Dia, 1 hp Horsepower, 3,450 RPM Blower/Fan Speed (MPN 9553). Key specifications — Brand: ALLEGRO; Includes: Blower Only; Operating Voltage: 115 V AC.
ALLEGRO
ALLEGRO Confined Space Blower: 115 V AC, 16 in Duct Dia, 1 hp Horsepower, 3,450 RPM Blower/Fan Speed (MPN 9553). Key specifications — Brand: ALLEGRO; Includes: Blower Only; Operating Voltage: 115 V AC.
ALLEGRO Axial AC Plastic Blower: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Orange (MPN 9533). Key specifications — Brand: ALLEGRO; Includes: Steel Powder Coated Grill; Operating Voltage: 120/240 V AC.
ALLEGRO
ALLEGRO Axial AC Plastic Blower: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Orange (MPN 9533). Key specifications — Brand: ALLEGRO; Includes: Steel Powder Coated Grill; Operating Voltage: 120/240 V AC.
ALLEGRO Confined Space Fan: 115V, 16 in Duct Dia, 1/2 hp Horsepower, 2,900 cfm Max Flow in Free Air (MPN 9515-01). Key specifications — Brand: ALLEGRO; Includes: Metal Housing; Operating Voltage: 115 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115V, 16 in Duct Dia, 1/2 hp Horsepower, 2,900 cfm Max Flow in Free Air (MPN 9515-01). Key specifications — Brand: ALLEGRO; Includes: Metal Housing; Operating Voltage: 115 V AC.
ALLEGRO Confined Space Fan: 115/230 V AC, 20 in Duct Dia, 2 hp Horsepower, Orange, 21 A Current (MPN 9525-50). Key specifications — Brand: ALLEGRO; Operating Voltage: 120/240 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115/230 V AC, 20 in Duct Dia, 2 hp Horsepower, Orange, 21 A Current (MPN 9525-50). Key specifications — Brand: ALLEGRO; Operating Voltage: 120/240 V AC.
ALLEGRO Confined Space Fan: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower, 3,800 RPM Blower/Fan Speed (MPN 9539-12DC). Key specifications — Brand: ALLEGRO; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
ALLEGRO
ALLEGRO Confined Space Fan: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower, 3,800 RPM Blower/Fan Speed (MPN 9539-12DC). Key specifications — Brand: ALLEGRO; Operating Voltage: 12 V DC with Vehicle Battery Hookups.