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MARS

MARS is a brand specializing in air curtain systems and associated components, with a product line that includes heated and unheated units, wet-location models, and replacement parts such as fuses, relays, and motor fan assemblies. The brand's air curtains are designed for commercial and industrial doorways, ranging from 3.5 ft to 6 ft opening widths, with airflow capacities up to 2,434 cfm and motor ratings up to 1 hp. Heated models operate on single-phase or three-phase power at voltages of 208V, 230V, or 460V AC, and are housed in white aluminum enclosures. Wet-location variants, such as the washdown air curtain, are rated for environments requiring moisture resistance, with black housing and nominal 120V AC operation. MARS also provides motor control panels in steel NEMA 1 enclosures, rated for 6.6 A at 208/230/460V AC three-phase. Replacement components include 250V AC fuses and relays compatible with specific OEM part numbers, ensuring field-serviceability. 3G Electric stocks over 117 SKUs of MARS products, covering heated recess-mounted air curtains, wet-location units, motor control panels, and spare parts. This inventory supports plant engineers and maintenance managers who need to specify air curtains for temperature control, insect exclusion, or dust management in doorways, as well as procurement specialists sourcing replacement components for existing installations. The product range emphasizes standardized mounting dimensions (e.g., 17 in height, 72 in width, 26 in depth for recessed units) and electrical configurations that match common industrial power supplies. MARS air curtains are typically used in loading docks, warehouse entrances, food processing areas, and cleanroom vestibules where air separation is required without physical barriers. The brand's focus on modular designs and interchangeable parts simplifies maintenance planning, as motor fan assemblies and control panels can be replaced independently. 3G Electric's global distribution ensures that MARS products are available for projects requiring compliance with local electrical codes, with specifications clearly listed for voltage, phase, and enclosure type.

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About MARS

MARS is a brand specializing in air curtain systems and associated components, with a product line that includes heated and unheated units, wet-location models, and replacement parts such as fuses, relays, and motor fan assemblies. The brand's air curtains are designed for commercial and industrial doorways, ranging from 3.5 ft to 6 ft opening widths, with airflow capacities up to 2,434 cfm and motor ratings up to 1 hp. Heated models operate on single-phase or three-phase power at voltages of 208V, 230V, or 460V AC, and are housed in white aluminum enclosures. Wet-location variants, such as the washdown air curtain, are rated for environments requiring moisture resistance, with black housing and nominal 120V AC operation. MARS also provides motor control panels in steel NEMA 1 enclosures, rated for 6.6 A at 208/230/460V AC three-phase. Replacement components include 250V AC fuses and relays compatible with specific OEM part numbers, ensuring field-serviceability. 3G Electric stocks over 117 SKUs of MARS products, covering heated recess-mounted air curtains, wet-location units, motor control panels, and spare parts. This inventory supports plant engineers and maintenance managers who need to specify air curtains for temperature control, insect exclusion, or dust management in doorways, as well as procurement specialists sourcing replacement components for existing installations. The product range emphasizes standardized mounting dimensions (e.g., 17 in height, 72 in width, 26 in depth for recessed units) and electrical configurations that match common industrial power supplies. MARS air curtains are typically used in loading docks, warehouse entrances, food processing areas, and cleanroom vestibules where air separation is required without physical barriers. The brand's focus on modular designs and interchangeable parts simplifies maintenance planning, as motor fan assemblies and control panels can be replaced independently. 3G Electric's global distribution ensures that MARS products are available for projects requiring compliance with local electrical codes, with specifications clearly listed for voltage, phase, and enclosure type.

Common Applications

  • Commercial kitchens — MARS heated recess-mounted air curtains (e.g., PH1042-1EBB-PW) for temperature control at service entrances
  • Food processing plants — MARS washdown air curtains (e.g., STD248-1UA-OB-WD) for moisture-resistant air separation in wet zones
  • Warehouse loading docks — MARS heated air curtains (e.g., PH1072-2EFN-PW) to maintain indoor climate during frequent door openings
  • Cleanroom vestibules — MARS unheated air curtains for particulate control at personnel entry points
  • Retail storefronts — MARS recess-mounted air curtains (e.g., PH1048-1ECB-PW) for energy savings and customer comfort
  • Industrial maintenance — MARS motor control panels (e.g., 19-111) for centralized control of multiple air curtain units

Frequently asked questions

Common questions about MARS from 3G Electric.

What are the typical voltage and phase options for MARS heated air curtains?

MARS heated air curtains are available in single-phase configurations at 208V AC and 230V AC, as well as three-phase configurations at 208/230/460V AC. For example, model PH1042-1EBB-PW operates on 208V AC single phase, while model PH1072-2EFN-PW uses 230V AC three phase. Always verify the nameplate voltage and phase requirements against your facility's power supply before installation.

Are MARS air curtains suitable for wet or washdown environments?

Yes, MARS offers wet-location air curtains such as the washdown model STD248-1UA-OB-WD, which is designed for a 4 ft opening width and operates at 120V AC. These units feature a black housing and are built to withstand moisture exposure, making them appropriate for food processing plants, car washes, or other areas requiring regular hosedown cleaning.

What replacement parts are available for MARS air curtains?

MARS provides a range of replacement parts including fuses (e.g., MPN 96-009, rated 250V AC), relays (e.g., MPN 94-007), and motor fan assemblies (e.g., MPN 6040B, 1 hp). These components are designed to be compatible with specific OEM part numbers, allowing for straightforward field replacement to extend the service life of existing air curtain units.

How do I select the correct MARS air curtain for my doorway width?

MARS air curtains are specified by the opening width they are designed to cover. For example, model PH1042-1EBB-PW fits a 3.5 ft opening, while model PH1048-1ECB-PW fits a 4 ft opening, and model PH1072-2EFN-PW fits a 6 ft opening. Measure the width of your doorway and match it to the model's rated opening width to ensure proper air coverage and performance.

What is the airflow capacity range for MARS air curtains?

MARS air curtains deliver airflow capacities ranging from 1,383 cfm (e.g., model PH1048-1ECB-PW) to 2,434 cfm (e.g., model PH1072-2EFN-PW). The specific cfm rating depends on the model and its motor configuration. For applications requiring higher air velocity, wet-location models like STD248-1UA-OB-WD offer a maximum air velocity of 1,730 fpm.

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.