Aluminum Glass Door - 521s Model 521s

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.

Construction

Product Specifications 
Standard Max Width20'2" (6147 mm)
Standard Max Height18'1" (5512 mm)
Section thickness1 3/4" (45 mm)
Material6061-T6 aluminum
Standard finish204R-1 clear anodized(painted white at no charge)
Center stile width2 11/16" (68 mm)
End stile width3 5/16" (84 mm)
Top rail width2 3/8" (60 mm) or 3 3/4" (95 mm)
Top intermediate rail width2 1/8" (54 mm)
Bottom intermediate rail width1 19/32" (40 mm)
Bottom rail width3 3/4" (95 mm) or 4 1/2" (114 mm)
WeathersealsBottom, flexible PVC
Track3" (76.2 mm)
Control PanelElectronic 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)
MountingSide mount, left or right, vertical only
OperationDirect 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 fixturesGalvanized steel
RollersNylon (Standard)
Steel (Windload)
ActuatorSingle open/close/stop push button station incorporated into control panel
AccessoriesCable tension switches LH/RH
Hand chain switch on motor
Encoder plug and play
8-port junction box

Warranty

  • 1-year limited

Anodized Finishes

  • anodized medium bronze glass color swatch

    Medium Bronze

  • clear aluminum color swatch

    Clear (standard)

  • anodized light bronze glass color swatch

    Light Bronze

  • anodized dark bronze glass color swatch

    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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