DIMENSIONS DESCRIPTION 2' x 4' The GR8 is a T8-dedicated lensed troffer designed to offer premium performance in a low profile housing. T8 dedication and optimized lamp to lens spacing provides the best in energy efficiency and optical control. The GR8’s shallow, low profile housing is compatible with even highly restrictive plenums. Luminaires are compatible with today’s popular ceiling systems. The GR8 offers great performance and great quality. The series is an excellent choice for commercial offices, schools, hospitals, retail merchandising and many other applications. 2' x 2' 1' x 4' NOMINAL SIZE 1' x 4' 2' x 2' 2' x 4' A 11-3/4" (298mm) 23-3/4" (603mm) 23-3/4" (603mm) RECESSED STATIC COOPER LIGHTING - METALUX® GR8 SERIES 1' x 4', 2' x 2', 2 ' x 4 ' Tr o f f e r 2, 3 and 4 Lamp COMMERCIAL GRADE T8 RECESSED S TAT I C T R O F F E R B 3-3/4" (95mm) 3-3/4" (95mm) 3-3/4" (95mm) O R D E R I N G I N F O R M AT I O N SAMPLE NUMBER: 2GR8-332A-120V-EB81-U • Unibody construction 2=2' Width Blank=1' Width Number of Lamps (2) 2, 3, or 4 Lamps (Not included) Series GR8=General Purpose T8 Commercial Troffer (1) Wattage (Length) 32=32W T8 (48") 17=17W T8 (24") U6T8=32W (24") U1-5/8=31W T8 (24") BX40=40W Biaxial (24") A=#12 PatternAcrylic (See Lens and Louver Tables for additional shielding options) Voltage (3) 120V=120 Volt 277V=277 Volt 347V=347 Volt UNV=Universal Voltage 120-277 (4) Options Type (3) (See Options Section) Packaging U=Unit Pack • Optimized for T8 lamps Ballast Blank=Standard Magnetic Ballast (Biax & 20W) ER8 = T8 Electronic Program Rapid Start. Total Harmonic Distortion < 10% No. of Ballast 1, 2 or 3 EB8 = T8 Electronic Instant Start. Total Harmonic Distortion < 10% No. of Ballast 1, 2 or 3 EB8 /PLUS= T8 Electronic Instant Start. High Ballast Factor >1.13. Total Harmonic Distortion < 20% No. of Ballast 1, 2 or 3 • Equipped with energy saving ballasts/complies with federal energy efficiency standards DLS=Digital Lighting System Dimming • T-hinges • Reinforced flat white steel door, mitered corners • Positive light seal • Spring loaded latch (For complete details on generic or to specify manufacturer’s ballast see pg. 469) Options GL=Single Element Fuse GM=Double Element Fuse Lamps - for lamps installed, see lamp options table Flex - for flex installed, see flex ordering table Emergency - for EM installed, see EM options table • End plates secured with mechanical weld • Die embossed housing • Four auxiliary fixture end suspension points provided • End plate grid-lock feature • For drywall applications, field install flange kit available. See Technical Section for detail. • UL/CUL Listed. Suitable for damp locations. NOTES: (1) An EQ Grid Clip is recommended for all 9/16" ceiling systems. (2) Standard off-center ballast compartment on 3-lamp fixtures. (3) Products also available in nonUS voltages and frequencies for international markets. (4) Not available when specifying emergencies, voltage must be specific. For complete product data, reference the Fluorescent Specification binder. Specifications & dimensions subject to change without notice. Consult your Cooper Lighting Representative for availability and ordering information. COOPER LIGHTING 399