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MARS

MARS is a manufacturer of air curtain systems and related components, with a product line that includes air curtains, motor fan assemblies, and motor control panels. The brand is known in the HVAC and refrigeration industries for its air curtain solutions, which are used to create an air barrier across open doorways in commercial and industrial settings. MARS air curtains are typically installed in entryways, loading docks, and other openings to help maintain interior temperatures, reduce infiltration of dust, insects, and outdoor air, and improve energy efficiency. The product family encompasses a range of models with different airflow capacities, mounting configurations, and electrical characteristics to suit various door sizes and environmental conditions.

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About MARS

MARS is a manufacturer of air curtain systems and related components, with a product line that includes air curtains, motor fan assemblies, and motor control panels. The brand is known in the HVAC and refrigeration industries for its air curtain solutions, which are used to create an air barrier across open doorways in commercial and industrial settings. MARS air curtains are typically installed in entryways, loading docks, and other openings to help maintain interior temperatures, reduce infiltration of dust, insects, and outdoor air, and improve energy efficiency. The product family encompasses a range of models with different airflow capacities, mounting configurations, and electrical characteristics to suit various door sizes and environmental conditions.

3G Electric supplies MARS air curtains, motor fan assemblies, and replacement parts, including motor control panels. The MARS motor control panels available through 3G Electric are designed specifically for air curtain applications, providing centralized switching, overload protection, and voltage regulation. These panels are housed in steel NEMA 1 enclosures, suitable for indoor use, and are rated for three-phase power at various voltages, including 208/230V AC and 460V AC. Current ratings range from 1.6 A to 24.9 A, accommodating different motor sizes and air curtain models. The panels are available in two enclosure sizes: 6 3/8 in x 10 3/8 in x 10 3/8 in and 6 3/8 in x 12 3/8 in x 12 3/8 in, with part numbers such as 19-101, 19-102, 19-112, 19-114, 19-115, 19-116, 19-117, and 19-118. These control panels are compatible with specific MARS air curtain part numbers, ensuring proper integration and operation.

In addition to motor control panels, 3G Electric stocks a range of MARS air curtain units and motor fan assemblies. The air curtains are available in different configurations, including horizontal and vertical mounting, and are constructed with materials such as galvanized steel or aluminum. They are designed to be installed above doorways or vertically alongside openings, with airflow capacities measured in CFM. The motor fan assemblies are replacement components that include the fan blade, motor, and housing, allowing for maintenance and repair of existing air curtain installations. 3G Electric provides access to MARS product specifications, including voltage, phase, current, dimensions, and compatibility information, to assist engineers and procurement specialists in selecting the correct components for their applications. With a catalog of 121 MARS SKUs, 3G Electric supports the full lifecycle of air curtain systems, from initial installation to ongoing maintenance and repair.

Common Applications

  • 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

Frequently asked questions

Common questions about MARS from 3G Electric.

What are the electrical specifications of MARS air curtain motor control panels?

MARS air curtain motor control panels are available in several electrical configurations. They are rated for three-phase power at 208/230V AC, 460V AC, or dual-rated 208/230/460V AC. Current ratings range from 1.6 A to 24.9 A, depending on the specific model. For example, the 19-102 panel is rated 460V AC, 3 Ph, 1.6 A, while the 19-114 panel is rated 208/230V AC, 3 Ph, 24.9 A. All panels feature a steel NEMA 1 enclosure suitable for indoor use. The correct panel must be selected based on the voltage and current requirements of the air curtain motor it will control.

What is the difference between MARS motor control panel part numbers 19-101 and 19-102?

The MARS 19-101 and 19-102 motor control panels differ primarily in their voltage and current ratings. The 19-101 is rated for 208/230V AC, three-phase, 3.3 A, while the 19-102 is rated for 460V AC, three-phase, 1.6 A. Both use a steel NEMA 1 enclosure and have dimensions of 6 3/8 in x 10 3/8 in x 10 3/8 in. They are designed for different air curtain models and electrical supply configurations. When replacing a control panel, verify the voltage and current ratings match the original equipment specifications to ensure compatibility and safe operation.

Are MARS air curtain motor control panels compatible with all MARS air curtain models?

No, MARS motor control panels are designed for specific air curtain models and electrical requirements. Compatibility depends on the voltage, phase, and current rating of the air curtain motor. Each control panel has a defined current range and voltage rating, and must be matched to the air curtain it controls. For instance, a panel rated 460V AC, 3.2 A (19-115) is not interchangeable with a panel rated 208/230V AC, 24.9 A (19-114). The product documentation lists compatible part numbers for each panel. Always consult the air curtain's nameplate data and the control panel specifications to ensure proper selection.

What enclosure type do MARS motor control panels use?

MARS motor control panels for air curtains use a NEMA 1 enclosure made of steel. NEMA 1 enclosures are intended for indoor use and provide protection against limited amounts of falling dirt and dust. They are not rated for outdoor or wet locations. The panels are available in two sizes: 6 3/8 in x 10 3/8 in x 10 3/8 in and 6 3/8 in x 12 3/8 in x 12 3/8 in. The enclosure houses the switching components, overload protection, and voltage regulation elements. For installations requiring higher environmental protection, additional enclosures or modifications may be necessary.

What replacement parts does 3G Electric offer for MARS air curtains?

3G Electric supplies a range of replacement parts for MARS air curtains, including motor control panels and motor fan assemblies. Motor control panels are available in multiple part numbers (e.g., 19-101, 19-102, 19-112, 19-114, 19-115, 19-116, 19-117, 19-118) with various voltage and current ratings. Motor fan assemblies include the motor, fan blade, and housing, and are specific to air curtain models. These components allow for repair and maintenance of existing installations. 3G Electric provides specifications and compatibility information to help identify the correct replacement part. For assistance, contact 3G Electric with the air curtain model and serial number.

Does 3G Electric supply MARS products?

Yes — 3G Electric (S) Pte. Ltd. supplies MARS products. We stock the MARS catalog and supply genuine factory-original products with full manufacturer warranty and technical support.