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
MARS STD2144-3UD-OB Ambient Air Curtain, Std Profile, 12 ft Opening, 4,326 cfm - Ambient Air Curtains
MARSAmbient Air Curtains

MARS STD2144-3UD-OB Ambient Air Curtain, Std Profile, 12 ft Opening, 4,326 cfm

The MARS Unhtd 11"H 144"W 13"D Steel Air Curtain: Ambient Air (MPN STD2144-3UD-OB) is a standard-profile ambient air curtain designed for a 12 ft opening, delivering 4,326 cfm. This unheated unit provides a…

SKU 3G-OTH-72922

Also listed as: STD21443UDOB · STD2144 3UD OB

Brand
MARS
Item
STD2144-3UD-OB Ambient Air Curtain, Std Profile, 12 ft Opening, 4,326 cfm
Part Number
STD2144-3UD-OB
Category
Ambient Air Curtains
Available to Order
Also known as:STD2144-3UD-OBMARS
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

MARS
Manufacturer Part Number
STD2144-3UD-OB
Type
Std Profile, For 12 ft Opening, 4,326 cfm

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

MARS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARS Unhtd 11"H 144"W 13"D Steel Air Curtain: Ambient Air (MPN STD2144-3UD-OB) is a standard-profile ambient air curtain designed for a 12 ft opening, delivering 4,326 cfm. This unheated unit provides a non-thermal air barrier for industrial doorways.

Frequently Asked Questions

What is a MARS ambient air curtain used for?

A MARS ambient air curtain creates an invisible barrier of air over a doorway to separate indoor and outdoor environments. It helps reduce energy loss, prevent drafts, and keep insects out while allowing unobstructed traffic flow through a 12 ft opening.

What are the specifications of the MARS STD2144-3UD-OB air curtain?

The MARS STD2144-3UD-OB is an unheated, standard-profile steel air curtain measuring 11 inches high, 144 inches wide, and 13 inches deep. It delivers 4,326 cfm of ambient air and is designed for a 12 ft opening. The unit operates without heating elements.

Where to buy a MARS air curtain worldwide?

3G Electric supplies the MARS STD2144-3UD-OB air curtain to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this model.

How to install a MARS ambient air curtain?

Mount the MARS air curtain horizontally above the door frame on a sturdy surface. Ensure the unit spans the full width of the opening. Connect to a suitable power supply per the nameplate rating. Follow local electrical codes and the manufacturer's manual for proper clearance and airflow direction.

Used in

Common applications for MARS
Commercial building entrances — MARS air curtain with motor control panel 19-114 (208/230V AC, 24.9 A) for high-traffic doorways
Industrial loading docks — MARS air curtain with motor control panel 19-116 (460V AC, 4.8 A) to reduce infiltration of outdoor air
Cold storage facilities — MARS air curtain with motor control panel 19-115 (460V AC, 3.2 A) to maintain temperature separation
Restaurant drive-through windows — MARS air curtain with motor control panel 19-101 (208/230V AC, 3.3 A) for insect and dust control
Warehouse personnel doors — MARS air curtain with motor control panel 19-117 (208/230/460V AC, 6.6 A) for energy savings
Hospital entrances — MARS air curtain with motor control panel 19-112 (208/230/460V AC, 9.9 A) to help maintain indoor air quality
Not sure this is the right part? Photo-identify it→

MARS Products

3G Electric supplies MARS ambient air curtains. 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 MARS

View all MARS parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first