Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
ALLEGRO 12 V DC Axial Blower & Ducting Combination Unit - Axial Blower & Ducting Combination Units
ALLEGROAxial Blower & Ducting Combination Units

ALLEGRO 12 V DC Axial Blower & Ducting Combination Unit

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

Also listed as: 952046M · 9520 46M

Brand
ALLEGRO
Item
12 V DC Axial Blower & Ducting Combination Unit
Part Number
9520-46M
Category
Axial Blower & Ducting Combination Units
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

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

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 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.

Frequently Asked Questions

What is the ALLEGRO 9520-46M confined space blower used for?

The ALLEGRO 9520-46M is an axial blower and ducting combination unit designed for ventilating confined spaces such as manholes, tanks, and vaults. It supplies fresh air to workers, helping to remove hazardous fumes, dust, and stagnant air. The 12 V DC motor with vehicle battery hookups makes it suitable for remote job sites without mains power.

What are the specifications of the ALLEGRO 9520-46M blower?

The ALLEGRO 9520-46M has a 12 in duct diameter, a 1/4 hp motor, and operates on 12 V DC with vehicle battery hookups. It includes a manhole ventilation pass-thru and comes in an orange/yellow finish. The unit is an axial blower and ducting combination, ideal for confined space entry applications.

Where to buy the ALLEGRO 9520-46M confined space blower worldwide?

3G Electric supplies the ALLEGRO 9520-46M confined space blower to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine ALLEGRO equipment and parts for your ventilation needs.

How to maintain the ALLEGRO 9520-46M axial blower?

Regularly inspect the ducting for tears or blockages and clean the blower housing to prevent debris buildup. Check the 12 V DC connections and battery hookups for corrosion or loose terminals. Lubricate the motor bearings per the manufacturer's schedule. Always store the unit in a dry, clean area when not in use.

Used in

Common applications for ALLEGRO
Industrial manufacturing — Allegro 9904 series supplied-air respirator with helmet and Stedprene neck cape for general respiratory protection.
Welding operations — Allegro 9904-W supplied-air respirator assembly with welding helmet and OBAC fittings for fume and particulate protection.
Confined space entry — Allegro 9815 series breathing air blower with EF couplers to supply low-pressure breathing air to respirator systems.
Respirator fit testing programs — Allegro Bitrex fit testing kit (MPN 2041) with nebulizers and solutions for qualitative fit testing.
SCBA storage in fire stations or industrial facilities — Allegro steel storage bracket (MPN 4111-06) with clip for secure mounting.
Temperature regulation in SAR systems — Allegro airline temperature controller (MPN 9990) with Hansen plug for adjusting supplied air temperature.
Not sure this is the right part? Photo-identify it→

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 →
This axial blower and ducting combination unit from ALLEGRO features an 8-inch duct diameter and a 1/3 hp motor operating at 120/240 V AC. Designed for confined space ventilation, it supplies fresh air into tanks, vaults, and manholes to maintain a safe breathing environment for workers. The unit is supplied as a standalone blower (ducting not included) in a black/yellow finish
ALLEGRO
This axial blower and ducting combination unit from ALLEGRO features an 8-inch duct diameter and a 1/3 hp motor operating at 120/240 V AC. Designed for confined space ventilation, it supplies fresh air into tanks, vaults, and manholes to maintain a safe breathing environment for workers. The unit is supplied as a standalone blower (ducting not included) in a black/yellow finish

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first