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The SIGILVENTUS SILENCED FAN is simply designed to make the wrapped EC motor fan work quietly with no-humming, no vibration and no airflow loss. Due to the use of the selected high density acoustic foam, it has been proved to be one of the quietest inline fans in the horticulture industry.

Using durable piano wire springs to attach EC fan motor to the steel silencing housing, it simply makes the whole fan vibration-free. The acoustic foam used inside is Eco and fire-proof for safety operation and meeting the standard of the application in HVACR industry.

It supports universal ventilation systems by offering 0-10vdc control signals, as well as PWM and Potentiometer and offers adaptors for other 3pins EC fan controllers and RJ45 controllers.

SigilVentus Silenced Fans are all built with EC motor fan, which has the up-to-date EC technology. Unlike traditional AC motor or badly built EC/DC motor, it is totally free of buzzing at low speeds. And due to years of specialized EC tech research and development, SigilVentus offers the most cost-effective EC solution and proved to be the most affordable EC silenced fan on the market and best in its class.

Model SE-A150-J01
Dimension 547mm (L) x 243mm(H)
Duct Size 6“|150mm
Rated Voltage 110V~120V | 220V~240V
Max. Power C. 40W
Frequency 50Hz|60Hz
Max. Speed 5000RPM
Max. Airflow 350CFM | 594M3H
Static Pressure 51mmH2O | 500Pa
Signal Outputs PWM, 0-10V, POT, FG
MAX. Noise 50dBA[1M-INLET]
Housing Material Steel
Acoustic Foam Fire-Proof
Motor Type EC Motor
Net Weight 5.0kgs
IP Rating IPX4
Installation 4 Hanging Brackets
Certifications ETL, CE, SAA


Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Size Chart