OCL Architectural Lighting · Pendant
OCL's dual-direction LED ring pendant with acrylic top and bottom lenses in seven diameters (24–120 in) — two LED packages delivering 5,525–50,150 delivered lumens at up to 85 lm/W in a 50% direct / 50% indirect distribution.
| Wattage | 65–590 W |
|---|---|
| Luminous flux | 5525–50150 lm |
| Efficacy | 85 lm/W |
| Color temperature (CCT) | 2700K / 3000K / 3500K / 4000K |
| CRI | ≥80 |
| Mounting | Pendant with vertical aircraft cables (P1EM), Pendant with angled aircraft cables and center stem (P1EE, up to 72 in) |
| Dimensions | Ring: 24 / 36 / 48 / 60 / 72 / 96 / 120 in dia; 6 x 3.25 in profile cross-section |
| Distribution | Direct / indirect (50% down / 50% up) |
| Finishes | Black, Brass Metallic, Bronze, Black Textured, Graphite, Goldtastic, Matte White, Steel Gray, Silver Metallic, Sky White, White Textured, Brushed Aluminum (premium metal), RAL / Pantone / custom |
| Dimming | 0-10V dimming to 1% standard (DM1); Lutron EcoSystem 1% (LDE1) and dual circuiting (DUC) available; BIOS SkyBlue dynamic circadian option; field-replaceable integral drivers; universal 120–277V; Nichia 757 LEDs |
| Rated environments | Dry, Damp (optional ULD label) |
| Rated lifetime | 60,000 h |
| Warranty | 5 years |
Specifications sourced from the manufacturer's datasheet . Verify against the current revision before specifying.
Twin (series TW1) is OCL Architectural Lighting's dual-direction LED ring pendant, giving approximately 50% direct and 50% indirect illumination through acrylic top and bottom lenses cut with a lap joint to eliminate diode view. The thick-wall extruded-aluminum profile has a minimal 6" x 3.25" cross section and integral drivers, and rings are offered in seven diameters — 24, 36, 48, 60, 72, 96 and 120 in (single-section through 72", three sections at 96", four sections at 120") — with clustering and custom sizes and shapes available. Two LED packages span the range: LED1 delivers 5525/10200/12750/15300/19975/25925/33150 lm (65–390 W) and LED2 delivers 8075/13360/18700/22950/28900/38675/50150 lm (95–590 W) across the 24–120 in sizes, reaching up to 85 lm/W (published photometry TW1-P1EE-36 LED2: 13360 lm, 86 lm/W, test no. 19984.0). Delivered figures are shown for 80+ CRI at 3500K (multiply by 0.95 for 2700K, 0.97 for 3000K, 1.03 for 4000K; 90+ CRI uses a 0.85 multiplier) and are approximate pending LM-79 testing. Color temperatures are 2700K, 3000K, 3500K and 4000K in 80+ CRI (R9 > 0) or 90+ CRI (R9 > 50), on OCL proprietary Nichia 757 LED arrays with integral universal 120–277V drivers and 0-10V dimming to 1% standard (DM1); Lutron EcoSystem 1% (LDE1), dual circuiting (DUC) and a BIOS SkyBlue dynamic circadian engine are available. Two hanging systems are offered — pendant with vertical aircraft cables to separate mounting points (P1EM) and, on 72" and smaller, angled aircraft cables to a collector and single center stem (P1EE); both mount to a 4"x4" octagon J-box, and 96" and 120" ship with hardware for bolting sections together. Reported lumen maintenance is L70 at >60,000 hours (calculated 181,000 hours) and L90 at 52,000 hours. Finishes include eleven standard powder coats (black, brass metallic, bronze, black textured, graphite, goldtastic, matte white, steel gray, silver metallic, sky white, white textured) plus a Brushed Aluminum premium metal finish, with RAL, Pantone and custom options. Designed and fabricated in St. Louis, Missouri; ETL listed to UL 1598 for indoor dry locations, Build America Buy America (BABA) eligible, Declare-labeled (DECLARED), and RoHS compliant, with a five-year limited warranty.
Pick from Twin's published options to compose a copyable, submittal-ready specification. All choices come from the manufacturer datasheet — confirm the final build against the current revision before ordering.
Submittal summary
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