Air curtain is a powerful fan that forcing a high speed air stream over the entrance to isolate the interior and exterior air environment. It consumes less energy than an air conditioner. Air curtains are widely installed at the entrances of supermarket, theater, hotel, food storage warehouse, residential, etc. It keeps the flying insects out and keeps conditioned air inside, reduces energy costs.
The magnetic switch can be simply sticked to the middle of door and door frame, no bracket needed. Works easily with most doors and windows. Automatically turn on the air curtain with door open; shut off the air curtain with door close.
High speed powerful air blow is for regular 7 to 8 feet office, restaurant or residential door entrance entrance, Low speed is for quiet area entrance or drive-thru window. This air curtain is quieter than the super power FM15 series because it generates 30% to 50% less air flow. The sound is from the high speed air circulation as same as a powerful home fan at the highest speed.

• Magnetic switch: this air curtain has an electrical-magnetic circuit control with a magnetic switch. The magnetic door switch installation is much easier than the traditional mechanical micro switch. No hard wired needed on the 12VDC low voltage magnetic switch.
• Easy installation: 1) Mount the detachable mounting plate, then hang the air curtain up. 2) dedicated 2-wire for the magnetic switch connection. (Other brands might not have this.) 3) Detailed installation manual is included.
• 2 speeds of operation: high speed at 1236 CFM, low speed at 989 CFM. A HI/LO/OFF switch to select High/Low speed. 110V-120V 60Hz. 400W Max, 360W Min, less power consumption than other industrial air curtains.
• Motor: adopting the technology of German electrical machinery, it runs smoothly with reduced low noise. Optimized electrical machinery, reliable and safe runs for 5,000 consecutive hours. Fan wheels are made of high-tech ABS, powerful wind-force.
• Overall size: 47-1/4" L x 8-1/2" D x 9-1/4" H. Weight: 34.2 LBS. UL listed. 1 year manufacturer warranty. Stainless Alloy cover is fireproof and anti-erosive, easy to clean. Lightweight and elegant, but high quality build, perfect for restaurant front door and residential use. It is quiet but still powerful air flow. It is recommended to have an extra 2" of clearance from the ceiling for better circulation.

Magnetic switch: this air curtain has an electrical-magnetic circuit control with a magnetic switch. The magnetic door switch installation is much easier than the traditional mechanical micro switch. No hard wired needed on the 12VDC low voltage magnetic switch.Awoco