Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower - Axial Blower & Ducting Combination Units
ALLEGROAxial Blower & Ducting Combination Units

ALLEGRO Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower

The ALLEGRO Confined Space Fan is an axial blower and ducting combination unit (MPN 9536-25) delivering 816 cfm max flow in free air. It operates on 12 V DC with vehicle battery hookups, includes an extension…

SKU 3G-OTH-543407

Brand
ALLEGRO
Item
Confined Space Fan: 12 V DC, 8 in Duct Dia, 1/4 hp Horsepower
Category
Axial Blower & Ducting Combination Units
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
9536-25
Type
816 cfm Max Flow in Free Air
Duct Dia
8 in
Includes
Extension canister with 25 ft ducting
Horsepower
1/4 hp
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 Fan is an axial blower and ducting combination unit (MPN 9536-25) delivering 816 cfm max flow in free air. It operates on 12 V DC with vehicle battery hookups, includes an extension canister with 25 ft ducting, and features an 8 in duct diameter with a 1/4 hp motor.

Frequently Asked Questions

What is the ALLEGRO confined space fan used for?

The ALLEGRO confined space fan (MPN 9536-25) is an axial blower and ducting combination unit designed to ventilate tanks, vaults, and other enclosed work areas. It delivers 816 cfm max flow in free air to supply fresh air or exhaust fumes, supporting safety in industrial maintenance and construction applications.

What are the specifications of the ALLEGRO 9536-25 fan?

The ALLEGRO 9536-25 fan operates on 12 V DC with vehicle battery hookups, has a 1/4 hp motor, an 8 in duct diameter, and delivers 816 cfm max flow in free air. It includes an extension canister with 25 ft ducting. This axial blower is built for confined space ventilation.

Where to buy the ALLEGRO confined space fan worldwide?

3G Electric supplies the ALLEGRO confined space fan (MPN 9536-25) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this 12 V DC axial blower with 25 ft ducting for your ventilation needs.

How to install the ALLEGRO 9536-25 fan with vehicle battery hookups?

To install the ALLEGRO 9536-25 fan, connect the 12 V DC power leads to a vehicle battery using the included hookup cables. Attach the 8 in ducting from the extension canister to the blower outlet, then position the duct intake in the confined space. Ensure the fan is on stable ground and the area is clear before operation.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from ALLEGRO

View all ALLEGRO parts →
ALLEGRO Confined Space Blower: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Black/Yellow (MPN 9532-25). Key specifications — Brand: ALLEGRO; Includes: Blower; Operating Voltage: 120/240 V AC.
ALLEGRO
ALLEGRO Confined Space Blower: 115/230 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Black/Yellow (MPN 9532-25). Key specifications — Brand: ALLEGRO; Includes: Blower; Operating Voltage: 120/240 V AC.
ALLEGRO Confined Space Fan: 120 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 3,200 RPM Blower/Fan Speed (MPN 9513). Key specifications — Brand: ALLEGRO; Operating Voltage: 120 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 120 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 3,200 RPM Blower/Fan Speed (MPN 9513). Key specifications — Brand: ALLEGRO; Operating Voltage: 120 V AC.
ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 778 cfm Max Flow in Free Air (MPN 9534-25). Key specifications — Brand: ALLEGRO; Includes: 25 ft Duct; Operating Voltage: 115 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 778 cfm Max Flow in Free Air (MPN 9534-25). Key specifications — Brand: ALLEGRO; Includes: 25 ft Duct; Operating Voltage: 115 V AC.
ALLEGRO Confined Space Fan: 120 V AC, 12 in Duct Dia, 1/2 hp Horsepower, 3,300 RPM Blower/Fan Speed (MPN 9535-12). Key specifications — Brand: ALLEGRO; Includes: Bag; Operating Voltage: 120 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 120 V AC, 12 in Duct Dia, 1/2 hp Horsepower, 3,300 RPM Blower/Fan Speed (MPN 9535-12). Key specifications — Brand: ALLEGRO; Includes: Bag; Operating Voltage: 120 V AC.
ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower, Orange/Yellow (MPN 9520-46M). Key specifications — Brand: ALLEGRO; Includes: Manhole Ventilation Pass-thru; Operating Voltage: 12 V DC with Vehicle Battery Hookups.
ALLEGRO
ALLEGRO Confined Space Blower: 12 V DC, 12 in Duct Dia, 1/4 hp Horsepower, Orange/Yellow (MPN 9520-46M). Key specifications — Brand: ALLEGRO; Includes: Manhole Ventilation Pass-thru; 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 9538-25). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag, 25 ft Statically Conductive Ducting; Operating Voltage: 115 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 900 cfm Max Flow in Free Air (MPN 9538-25). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag, 25 ft Statically Conductive Ducting; Operating Voltage: 115 V AC.
ALLEGRO Confined Space Fan Kit: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Orange, 3 A Current (MPN 9520-33M). Key specifications — Brand: ALLEGRO; Includes: Manhole Ventilation Pass-thru; Operating Voltage: 115 V AC.
ALLEGRO
ALLEGRO Confined Space Fan Kit: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, Orange, 3 A Current (MPN 9520-33M). Key specifications — Brand: ALLEGRO; Includes: Manhole Ventilation Pass-thru; Operating Voltage: 115 V AC.
ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 900 cfm Max Flow in Free Air (MPN 9538-15). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag, 15 ft Statically Conductive Ducting; Operating Voltage: 115 V AC.
ALLEGRO
ALLEGRO Confined Space Fan: 115 V AC, 8 in Duct Dia, 1/3 hp Horsepower, 900 cfm Max Flow in Free Air (MPN 9538-15). Key specifications — Brand: ALLEGRO; Includes: Duct Storage Bag, 15 ft Statically Conductive Ducting; Operating Voltage: 115 V AC.