METALUX ® DESCRIPTION GC8 is a premium grade specification lensed troffer series. This innovative, high quality luminaire is dedicated to the latest T8 lamp and micro electronic ballast technology for optimal performance and energy efficiency. The GC8 is compatible with all of today’s popular ceiling systems and is available with a number of options and accessories for application versatility. Catalog # The GC8 series features efficiency, quality and performance. The series is an excellent choice for commercial office spaces, schools, hospitals or retail merchandising areas. Prepared by Type Project Date Comments SPECIFICATION FEATURES Construction Electrical Frame/Shielding Rigid housing is die formed of code gauge prime cold rolled steel and features full length die-formed stiffeners and unibody endplate for added strength. Side flanges are hemmed. Innovative design provides superior lens brightness uniformity and visual comfort. Micro ballast cover*** reduces ballst shadow for superior lens brightness uniformity and is easily removed without tools. Die formed captive lampholder brackets fully enclose lampholder wiring permitting easy lampholder replacement. Unibody endplates are securely attached with interlocking tabs and screws. Four auxiliary fixture end suspension points provided. KOs for continuous row wiring. Endplates have integral Gridlock feature for safety and convenience. Ballasts are CBM/ETL Class “P” and are positively secured by mounting bolts. Rotor-lock lampholders ensure positive lamp retention. UL/CUL listed. Suitable for damp locations. Die formed, heavy gauge, flat steel door with reinforced mitered corners and baked white enamel finish. Flat and regressed aluminum doors also available. Positive light seals. Light stabilized 100% virgin acrylic prismatic lens. Standard #12 pattern. Numerous additional shielding options available. Finish Multistage, iron phosphate pretreatment ensures maximum bonding and rust inhibition. Housing and ballast cover finished with new 90% reflective matte white enamel for superior performance. “PAF” Painted After Fabrication option also available. Hinging/Latching Positive Cam latch with baked white enamel finish. Safety-lock Thinges allow hinging and latching either side. 2GC8 217 417 Controls Fifth Light ballast options are offered for both 0-10V continuous dimming and DALI applications. Combine with energy-saving products like occupancy sensors, daylighting controls, and lighting relay panels from Cooper Controls (www.coopercontrol.com) to maximize energy savings. 2' X 2' TROFFER 2 OR 4 LAMPS Specification T8 Troffer New York City Rated 3-3/4" [95mm] 23-3/4" [603mm] ENERGY DATA maximum overall nominal depth † Input Watts: EB Ballast & STD Lamps 217 (36), 417 (63) LAMP CONFIGURATIONS MOUNTING DATA 417 217 10-3/4" [274mm] 23-3/4" [603mm] 23-3/4" [603mm] HB Ballast & STD Lamps 217 (31) , 417 (59) 3-3/4" [95mm] 3-3/4" [95mm] 1-1/2" [38mm] X=4-3/16" [107mm] Y=4-3/4" [121mm] X Y X 23-3/4" [603mm] Luminaire Efficacy Rating LER = FL-55 Catalog Number: 2GC8-217A Yearly Cost of 1000 lumens, 3000 hrs at .08 KWH = $4.36 2-7/8" [73mm] 23-15/16" [610mm] DOOR FRAMES GC8 F lat, White Steel GC8FA F lat, E xtruded White Alum inum *Reference the lamp/ballast data in the Technical Section for specific lamp/ballast requirements. GC8RA D eep, R egressed, E xtruded Natural Alum inum **Consult Pre Sales Technical Support. ***Full sized ballast cover for biaxial lamps and emergency option. CEILING COMPATIBILITY G Grid/Lay-in Standard G Concealed T G Slot Grid F Flange Trim With Supporting Swing Gates Ceiling Type Trim Type Exposed Grid Concealed T Slot Grid Flange G G G F LAMPS CONTAIN MERCURY. DISPOSE ACCORDING TO LOCAL, STATE OR FEDERAL LAWS Safe and convenient means of disconnecting power. (Verify compatibility/ consult factory.) COOPER LIGHTING ADF111075 PHOTOMETRICS NY2GC8 2GC8-217A Electronic Ballast (2) FO17/35K 17W lamps 1300 lumens Spacing criterion: (II) 1.2 x mounting height, (⊥) 1.4 x mounting height Efficiency 76.9% Test Report: 2GC-217A.IES LER = FL-55 Yearly Cost of 1000 lumens, 3000 hrs at .08 KWH = $4.36 Angle 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Along II 761 759 749 732 707 673 631 579 517 441 363 291 225 168 124 92 69 40 0 Across ⊥ 761 761 758 754 745 731 710 682 638 565 474 377 283 203 146 113 87 51 0 45° 761 759 753 742 726 704 673 628 567 495 421 339 248 166 104 73 59 35 0 Coefficients of Utilization rc rw RCR 0 1 2 3 4 5 6 7 8 9 10 92 81 71 63 56 50 45 41 38 35 32 92 77 66 57 50 44 39 35 31 29 26 92 75 62 52 45 39 34 30 27 24 22 89 82 75 69 63 58 54 50 47 44 41 89 79 70 62 55 49 45 41 37 34 32 89 76 65 56 49 43 38 34 31 28 26 89 73 61 52 44 39 34 30 27 24 22 20% 50% 50 30 10 30% 50 30 10 50 85 76 67 59 53 48 43 40 36 33 31 82 73 64 57 51 46 42 38 35 33 30 78 70 62 55 50 45 41 37 34 32 29 85 73 63 55 48 42 38 34 31 28 26 85 71 60 51 44 38 34 30 27 24 22 82 71 61 53 47 42 37 33 30 28 25 Zonal Lumen Summary Luminance Data Zone 0-30 0-40 0-60 0-90 0-180 Angle in Deg 45 55 65 75 85 Lumens 606 998 1680 1998 1998 %Lamp 23.3 38.4 64.6 76.9 76.9 Candela Angle 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Along II 1514 1511 1491 1456 1406 1337 1250 1144 1016 864 708 564 432 318 234 174 130 75 0 Across ⊥ 1514 1512 1501 1481 1447 1397 1328 1244 1142 1007 850 689 523 373 269 208 159 92 0 45° 1514 1509 1494 1467 1425 1368 1291 1188 1056 908 762 614 454 305 194 136 110 63 0 Coefficients of Utilization Effective floor cavity reflectance 80% 70% 70 50 30 10 70 50 30 10 92 84 77 71 65 60 55 51 48 45 42 2GC8-417A Electronic Ballast (4) F017/35K 17W lamps 1300 lumens Spacing criterion: (II) 1.2 x mounting height, (⊥) 1.3 x mounting height Efficiency 72.6% Test Report: 2GC8-417A.IES LER = FL-56 Yearly Cost of 1000 lumens, 3000 hrs at .08 KWH = $4.28 Candela %Fixture 30.3 50.0 84.1 100.0 100.0 Average 0-Deg cd/sm 2059 1675 1313 1174 1515 82 69 58 50 43 38 33 30 27 24 22 10% 30 10 Average 45-Deg cd/sm 2312 1952 1297 931 1326 78 68 59 52 46 41 36 33 30 27 25 78 67 57 49 43 37 33 29 26 24 22 0% 0 77 65 55 47 41 36 31 28 25 23 20 Average 90-Deg cd/sm 2638 2170 1586 1442 1932 rc rw RCR 0 1 2 3 4 5 6 7 8 9 10 Effective floor cavity reflectance 80% 70% 70 50 30 10 70 50 30 10 86 80 73 67 62 57 53 49 46 43 40 86 76 67 60 53 48 43 39 36 33 31 86 73 63 54 47 42 37 33 30 27 25 86 71 59 50 43 37 33 29 26 23 21 84 78 71 65 60 55 51 48 44 42 39 84 75 66 59 52 47 43 39 36 33 30 84 72 62 53 47 41 37 33 30 27 25 20% 84 70 58 49 42 37 32 29 26 23 21 50% 50 30 10 30% 50 30 10 50 81 72 63 56 51 46 41 38 35 32 30 77 69 61 54 49 44 40 37 34 31 29 74 66 59 53 47 43 39 36 33 30 28 81 69 60 52 46 40 36 32 29 27 25 81 67 57 48 42 36 32 29 26 23 21 77 67 58 51 45 40 35 32 29 27 24 Zonal Lumen Summary Luminance Data Zone 0-30 0-40 0-60 0-90 0-180 Angle in Deg 45 55 65 75 85 Lumens 1187 1930 3188 3777 3777 %Lamp 22.8 37.1 61.3 72.6 72.6 %Fixture 31.4 51.1 84.4 100.0 100.0 Average 0-Deg cd/sm 4035 3247 2485 2220 2481 77 65 55 47 41 36 32 28 26 23 21 10% 30 10 Average 45-Deg cd/sm 4240 3535 2383 1735 2387 74 65 56 49 44 39 35 31 29 26 24 74 63 54 47 41 36 32 28 25 23 21 0% 0 73 62 53 45 39 34 30 27 24 22 20 Average 90-Deg cd/sm 4702 3967 2914 2564 3486 Visit our web site at www.cooperlighting.com Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX 770.486.4801 2/24/16 ADF111075 NY2GC8 ORDERING INFORMATION SAMPLE NUMBER: NY2GC8-217A-UNV-EB81-U Rating NY=New York City Rated (20 Gauge Riveted End Plates) Width 2=2' Width Trim Type G=Grid/Lay-in (Standard) (1) G=Concealed T G=Slot Grid F=Flange Trim Series C8=Specification T8 Troffer Door Frame Standard=Flat White Steel Door (Leave Blank) FA=Flush White Extruded Aluminum c/w Spring Latch RA=Regressed White Extruded Aluminum FAN=Flush Natural Anodized Extruded Aluminum RAN=Regressed Natural Anodized Extruded Aluminum FAB=Flush Black Extruded Aluminum RAB=Regressed Black Extruded Aluminum (1) Number of Lamps (2) 2 or 4 Lamps (Not included) Wattage (Length) 17=17W T8 (24") Shielding A=#12 Acrylic Pattern A125=#12 Acrylic Pattern (.125" Thickness) A19/156=#19 Acrylic Pattern (.156" Thickness) DA=Dropped Dish - Matte White Acrylic IMA 48=Injection Molded Acrylic (.150" Thickness) PB1S=1/2" x 1/2" x 1/2" Silver Parabolic Louver (Styrene) Voltage 120V=120 Volt 277V=277 Volt 347V=347 Volt UNV=Universal Voltage 120-277 (3) Options GL=Single Element Fuse GM=Double Element Fuse Lamps=Lamps Installed Flex=Flex Installed EL=Emergency Installed (2) NOTES: An EQ Grid Clip is recommended for all 9/16" ceiling systems. Standard off-center ballast (3) (4) on 3-lamp fixtures. Not available when specifying emergencies, voltage must be specific. For a complete listing of Fifthlight Technology products and other solutions from Cooper Controls, visit (5) www.coopercontrol.com. 0-10V ballast do not include DALI feature. Please select DALI ballast for use with (6) Fifth Light system. Specification grade 0-10V dimming ballast are NEMA premium and CEE listed. They (7) are compatible with low mercury and energy saving lamps. Specification Grade 0-10V ballast not offered (8) in 3 or 4-lamp versions. Standard 0-10V ballast not offered in 3 or 4-lamp versions Specifications & dimensions subject to change without notice. Consult your Cooper Lighting Representative for availability and ordering information. Ballast Type EB8 =T8 Electronic Start. Total Harmonic Distortion < 10% EB8 /PLUS= T8 Electronic Start. Total Harmonic Distortion < 10%. High Ballast Factor > 1.15. ER8 = T8 Electronic Program Rapid Start. Total Harmonic Distortion < 10% High Performance T8 Ballasts HB8 =T8 Electronic Instant Start. Total Harmonic Distortion < 10%. Standard Ballast Factor .86 – .88 HB8 L=T8 Electronic Instant Start. Total Harmonic Distortion < 10%. Low Ballast Factor .77 – .82 HB8 N=T8 Electronic Instant Start. Total Harmonic Distortion < 10%. Normal Ballast Factor 1.0 HB8 H=T8 Electronic Instant Start. Total Harmonic Distortion < 10%. High Ballast Factor 1.15 – 1.20 HR8 T8 Electronic Program Rapid Start. Total Harmonic Distortion < 10%. Standard Ballast Factor .86 – .88 HR8 DIM=T8 Electronic Program Rapid Start. Total Harmonic Distortion < 10%. Step Dimming. Ballast Factor .88 HR8 L=T8 Electronic Program Rapid Start. Total Harmonic Distortion < 10%. Low Ballast Factor .71 – .79 HR8 H=T8 Electronic Program Rapid Start. Total Harmonic Distortion < 10%. High Ballast Factor 1.15 – 1.20 Options FR=Fire Rated Label MEP=Modified End Plates PAF=Painted After Fabrication Packaging U=Unit Pack PAL=Job Pack, out of carton PALC=Job Pack, in carton ACCESSORIES EQ-CLIP-U=T-BAR Safety Earthquake Clips(1) 0-10V Dimming Ballasts (5) 5LTV8 =T8 0-10V Program Rapid Start. Total Harmonic Distortion < 10%. Ballast Factor 0.87 (8) 5LTVS8 =T8 0-10V Spec Grade Program Rapid Start. Total Harmonic Distortion < 10%. Ballast Factor 0.87 (6), (7) Fifth Light DALI Ballasts (4) 5LT8 =T8 DALI Program Rapid Start. Total Harmonic Distortion < 10%. Ballast Factor 1.0 Number of Ballasts 1=1 Ballast 2=2 Ballasts 3=3 Ballasts SHIPPING INFORMATION Catalog No. Wt. NY2GC8-217A NY2GC8-417A 19 lbs. 21 lbs. Visit our web site at www.cooperlighting.com Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX 770.486.4801 2/24/16 ADF111075