Terra Part # 6603-54
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Window; Framed, Single Pane, Switch Glass, 12 sq. ft., 4" Wall Thickness, BioSafe®
  • Frame: 2" wide 304 stainless steel; frame fits flush on top of wall to minimize crevices and simplify cleaning
  • For installation in standard gypsum walls 4" thick (specify other wall thickness; additional charge may apply)
  • Call for quotation on other window sizes
  • Provides privacy on-demand for healthcare patient use or for protection of high-security or sensitive materials
  • Panels are opaque when inactive, become 99% transparent viewing glass when powered
  • Versatile laminated panels are layered with tempered glass
  • Uses less than one watt per square foot while on; consumes no power when off
  • Since regulations vary considerably in different locations, Terra assumes no responsibility for meeting local building regulations, including fire and seismic codes
  • Check your local planning department to see what regulations apply to your installation

Frame Material: 304 Stainless Steel

Window Frame: Framed

Pane Area: 12 sq. ft.

Pane Material: Switch Glass

Pane Thickness: 2"

Wall Thickness: 4"

Window Type: Single Pane

Unit of Measure: EA

Dimensions, Product: 48"W x 4"D x 36"H

Electrical Specifications: 120 V, 0.02 A, 1 W, 60 Hz

Weight, Shipping: 250 lb

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BioSafe Switch Glass Windows

  • BioSafe cleanroom window Terra Universal's Biosafe® Windows
  • Video demonstrates the switch from opaque glass to clear for privacy or viewing purposes Switch Glass Window
BioSafe cleanroom window
Video demonstrates the switch from opaque glass to clear for privacy or viewing purposes

Features and Benefits

BioSafe Switch-Glass Privacy Windows

BioSafe® Switch-Glass Privacy Windows

BioSafe Switch-Glass Privacy Windows
  • Versatile laminated panels with tempered-glass outer layers become conventional viewing windows when energized, opaque privacy panels when de-energized
  • Forms a curtain wall to provide patient privacy in healthcare facilities
  • Ideal for on-demand viewing of sensitive or high-security operations inside medical, pharmaceutical, aerospace and other manufacturing operations
  • Available in BioSafe® framed and frameless designs for use in Terra modular cleanrooms or conventional walls of any thickness (more information)
  • Select standard sizes below or specify custom panes in any size or shape

BioSafe Switch-Glass Privacy Windows provide an elegant, energy-saving way to alternate between viewing windows and privacy panels in a host of industrial, research and government applications.

Operated via a wired switch or WiFi remote control, these laminated panels include a liquid crystal layer that provides 97% light transmission when activated by 65V current. When de-energized, the panel switches to a partially opaque appearance that provides full privacy. The dual-side tempered-glass lamination ensures the same characteristics, including smooth, chemical-resistant surfaces, of standard windows, making these panels easy to clean.

  • An on-demand window for high-security commercial operations: ideal for training or customer viewing of operations that would normally remain private
  • Patient privacy in healthcare facilities: Convenient, easy-to-activate alternative to cumbersome curtains
  • Boardrooms, conference rooms, executive offices: adds convenient display/privacy viewing modes
  • Rear-projection display panel for broadcast, entertainment or commercial presentations
  • Forms an interactive video wall with addition of touch sensors
  • Call Terra to discuss your application!
Frameless Window Design (for BioSafe Cleanrooms)
Framed Window Design (for conventional rooms)
  • Glass Type: All laminated, annealed, heat/chemical strengthened, tempered
  • Thickness:
    • Interior Window: 5/16" (8 mm) or 7/16" (11 mm)
    • Door: 9/16" (14 mm)
    • Exterior: 1" (25 mm) insulating glass unit (3/16" tempered outer glass + 3/8" airspace + 7/16" clear laminated glass)
  • Size: Up to 72" x 145" (1,828.6 mm x 3,683 mm)
  • Shape: Any shape, including holes anywhere
  • Environmental Storage: -20°C to 70°C (-4°F to 158°F)
  • Operation: -10°C to 70°C (14°F to 158°F)
  • Electrical *:
    • Voltage: 120VAC/60Hz to power supply; operates on 65VAC ± 5 volts AC
    • Current: less than 20 mA/ft2
    • Power: less than 1 watt/ft2
  • Switching Time: Approx. 100 milliseconds at room temperature
  • Optical Transmission: 75% view angle approx. 140° scattering effectiveness approx. 1 inch
  • Life: Greater than 10 years (indoors); over 3.5 million switches

* For all fixed panel installation, a separate Power Supply shall be provided for each 60 square feet or fraction thereof. Power source of 110VAC, 60Hz electricity must be supplied from a GFI circuit. The power supply should be connected to an accessible standard double junction box connected to ground continuity. Power supply: Panels may be connected in parallel up to 60 square feet total area per single power supply.

The glass uses less than one watt per square foot in the "ON" (clear) state. No electricity is consumed in the "OFF" (translucent) state. The glass can be controlled with either a single or multiple switches or a remote controller.

BioSafe®: Terra's Ultimate Cleanliness Rating

Terra's BioSafe products are designed for life science applications: no gaps and crevices where microbes can colonize, rounded corners for easy disinfection, won't produce contaminants during sterilization, and exceed cGMP, IEST, ASTM and ISO 14644-1 requirements.

On a tight schedule? Choose FasTrak 24/7 Priority Service to help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*

  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
  • FasTrak 24/7 assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
  • FasTrak 24/7 guarantees* to meet the agreed-to specified ship date.

Call for pricing. FasTrak service fees cover costs of additional services only, without additional profit.

 * Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.

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