Aluminum Glass Door - 521s Model 521s

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aluminum glass commercial door on car service center

Aluminum Glass Door - 521s Model 521s

EverServe® Aluminum Glass Door model 521S is a sectional aluminum door appropriate for environments where maximum light infiltration and/or visual access is required. Designed to fit openings up to 20'2" (6147 mm) wide and 18'1" (5512 mm) high, the Model 521 features a wide, 2-11/16" (68 mm) center stile, 3-3/4" (95 mm) or 4-1/2" (114 mm) bottom rail, based on door size.

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Construction

Product Specifications
Standard Max Width	20'2" (6147 mm)
Standard Max Height	18'1" (5512 mm)
Section thickness	1 3/4" (45 mm)
Material	6061-T6 aluminum
Standard finish	204R-1 clear anodized(painted white at no charge)
Center stile width	2 11/16" (68 mm)
End stile width	3 5/16" (84 mm)
Top rail width	2 3/8" (60 mm) or 3 3/4" (95 mm)
Top intermediate rail width	2 1/8" (54 mm)
Bottom intermediate rail width	1 19/32" (40 mm)
Bottom rail width	3 3/4" (95 mm) or 4 1/2" (114 mm)
Weatherseals	Bottom, flexible PVC
Track	3" (76.2 mm)
Control Panel	Electronic controller with micro-processor self-diagnostics. Digital readout, time delay self-close timer and non-resettable cycle counter. Enclosure is IP54 rated (NEMA 3 equivalent)
Mounting	Side mount, left or right, vertical only
Operation	Direct drive integrated gear/motor/brake assembly; Drive assembly and limit sensors are factory pre-assembled; Manual hand chain for power outage; Horsepower appropriate to door size/weight; 230V AC 3-phase motor (operating range 208-245V)
Hinges and fixtures	Galvanized steel
Rollers	Nylon (Standard) Steel (Windload)
Actuator	Single open/close/stop push button station incorporated into control panel
Accessories	Cable tension switches LH/RH Hand chain switch on motor Encoder plug and play 8-port junction box

Warranty

1-year limited

Anodized Finishes

Medium Bronze
Clear (standard)
Light Bronze
Dark Bronze

Actual door color may vary slightly from the digital representation above. Color samples are available by request through your local Overhead Door™ Distributor.

Wind load options available
Lock: Interior galvanized single unit with interlock
Finish options:
- Bronze anodization
- Anodized or Painted
- PowderGuard^® Premium powder coat and PowderGuard^® Max hardened powder coat available in approximately 200 colors as well as color-matching to specification
- PowderGuard^® Textured Finish: Industrial textured powder coat provides a thicker, more scratch-resistant coat for added product protection on guides, bottom bar and head plate
Operation options:
- 208 volts, single phase, 60 Hz (190-207V range)
- 208 volts, three phase, 60 Hz (190-207V range)
- 230 volts, single phase, 60 Hz (208-245V range)
- 230 volts, three phase, 60 Hz (208-245V range)
- 460 volts, three phase, 60 Hz (456-495V range)
- 575 volts, three phase, 60 Hz (517-632V range)
Accessory Options
- Receivers/transmitter's/Radio control
- Loop detectors/motion detectors
- Additional push button station/Treadle switch/Horn/Strobe
- Key switch/Traffic light/Warning light/LED system break
- Cover/Gearbox heater/Transformer 9KVA
- Coil-cord kit/Hand chain extension/Hoist switch extension
- Photo-eye
Window Glazing Options:
- 1⁄8" (3 mm) DSB
- 1⁄8" (3 mm) or 1⁄4" (6 mm) acrylic
- 1⁄8" (3 mm) or 1⁄4" (6 mm) tempered
- 1⁄8" (3 mm) or 1⁄4" (6 mm) clear polycarbonate
- 1/4" (6 mm) and 3/8" (10 mm) twin-wall polycarbonate. 5/8" triple-wall polycarbonate
- 1⁄4" (6 mm) 3/8" (10mm) and 5/8" (16mm) twin-wall polycarbonate, triple-wall polycarbonate 1/4" (6mm) wire glass
- 1⁄2" (12 mm) insulated glass

Read instructions on how to clean polycarbonate windows

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