EXW Singapore — collect or forward from our Singapore office.

3G Electric
ALLEGRO 12 V DC Axial Fan & Blower, 12 in Duct, 1/4 hp, 3,800 RPM - Axial Fans & Blowers
ALLEGROAxial Fans & Blowers

ALLEGRO 12 V DC Axial Fan & Blower, 12 in Duct, 1/4 hp, 3,800 RPM

The ALLEGRO Confined Space Fan is a 12 V DC axial fan and blower with a 12-inch duct diameter, 1/4 hp horsepower, and 3,800 RPM blower/fan speed (MPN 9539-12DC). It operates on 12 V DC with vehicle battery hookups…

SKU 3G-OTH-545098

Also listed as: 953912DC · 9539 12DC

Brand
ALLEGRO
Item
12 V DC Axial Fan & Blower, 12 in Duct, 1/4 hp, 3,800 RPM
Part Number
9539-12DC
Category
Axial Fans & Blowers
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

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ALLEGRO
Manufacturer Part Number
9539-12DC
Duct Dia
12 in
Horsepower
1/4 hp
Blower/Fan Speed
3,800 RPM
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 Fan is a 12 V DC axial fan and blower with a 12-inch duct diameter, 1/4 hp horsepower, and 3,800 RPM blower/fan speed (MPN 9539-12DC). It operates on 12 V DC with vehicle battery hookups, enabling portable ventilation in confined spaces.

Frequently Asked Questions

What is the ALLEGRO 9539-12DC confined space fan used for?

The ALLEGRO 9539-12DC is a portable axial fan and blower designed for ventilating confined spaces. It supplies fresh air or exhausts fumes in tanks, vaults, and manholes, supporting worker safety during maintenance or entry operations.

What are the specifications of the ALLEGRO 9539-12DC fan?

The ALLEGRO 9539-12DC fan operates on 12 V DC with vehicle battery hookups. It has a 12-inch duct diameter, 1/4 hp horsepower, and a blower/fan speed of 3,800 RPM. The manufacturer part number is 9539-12DC.

Where to buy the ALLEGRO 9539-12DC confined space fan worldwide?

3G Electric supplies the ALLEGRO 9539-12DC confined space fan to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine ALLEGRO equipment for your ventilation needs.

How to install the ALLEGRO 9539-12DC fan for confined space ventilation?

Connect the ALLEGRO 9539-12DC fan to a 12 V DC vehicle battery using the provided hookups. Position the fan at the confined space opening, attach ducting to the 12-inch diameter port, and ensure the airflow path is clear before starting.

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 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 →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first