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









