Mars Air Systems STD2144-3UH-OB 144-Inch Unheated Door Air Curtain, 3 × 1/2 HP Motors

SKU: STD2144-3UH-OB
$3,431.40
/each
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Mars Air Systems STD2144-3UH-OB is an unheated Standard Series 2 air curtain for a 144-inch door opening. It has a galvanized steel cabinet with an Obsidian Black powder coat finish and three 1/2 HP motors.

The unit is specified for 460 V, 60 Hz, three-phase service with 1.65 kW power and 2.4 A current. The cutsheet lists environmental separation up to 12 ft and insect control up to 10 ft.

Overall Dimensions:

144.0"W x 12.75"D x 12.13"H

Unheated configuration

Standard Series 2 air curtain without heat.

144-inch model length

The model has a 144-inch nozzle length and overall length.

Three 1/2 HP motors

Three continuous-duty Totally Enclosed Air Over motors with NEMA 1 construction are specified.

Galvanized steel cabinet

The cabinet uses galvanized steel with an Obsidian Black powder coat finish.

Adjustable air direction

Adjustable air directional vanes provide a 40° sweep from front to back.

Three-phase electrical service

The unit is specified for 460 V, 60 Hz, three-phase service, with 1.65 kW power and 2.4 A current.

Environmental separation

The cutsheet lists environmental separation up to 12 ft and insect control up to 10 ft.

Product type Unheated air curtain
Series Standard Series 2
Model length 144 in
Maximum opening height 12 ft
Motors 3
Horsepower per motor 1/2 hp
Motor type Continuous-duty TEAO
Motor enclosure NEMA 1
Cabinet material Galvanized steel
Finish Obsidian Black powder coat
Voltage 460 V
Frequency 60 Hz
Phase 3-phase
Power 1.65 kW
Current 2.4 A
Air directional vane sweep 40° front to back
Environmental separation Up to 12 ft
Insect control Up to 10 ft
Maximum core velocity 4,247 fpm
Average velocity 1,730 fpm
Air volume 4,326 cfm
Velocity uniformity 85%
Sound level 71 dBA at 10 ft

Frequently Asked Questions

No. It is an unheated air curtain.
The model and nozzle length are 144 inches, and the cutsheet lists environmental separation up to 12 ft.
It has three 1/2 HP motors.
It is specified for 460 V, 60 Hz, three-phase service, with 1.65 kW power and 2.4 A current.
The galvanized steel cabinet has an Obsidian Black powder coat finish.
The product documentation lists a 5-year parts warranty.

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