Built to last, built to fitThe LUNA 3.5" round recessed fixture is built around a durable airtight
fixed aluminum body with an anodized blue heat sink that keeps maximum airflow around the LED light source — the simplest way to protect light output and colour over the years. The compact black trim finish (90BK) sits flush and low-profile in the ceiling, and the fixture is
suitable for wet locations and
approved for direct contact with insulation, which means bathrooms, covered exteriors and insulated attic ceilings are all fair game. Overall dimensions are 4 3⁄8" (111 mm) and 3 3⁄8" (85 mm), with a 15⁄16" (34 mm) detail and a driver box measuring 4 3⁄16" (106 mm) by 3 1⁄16" (78 mm).
Light quality you can seeThis general application fixture uses a
12 watt LED module that maintains uniform intensity and produces up to
600 lumens, with a typical
CRI of 90 for rich, accurate colour rendering. Efficacy is rated at 57 lumens per watt, and the lens creates a clean
38° beam spread — tight enough to accent a counter or a feature wall, wide enough to space out as general ceiling lighting. LM79 and LM80 testing is documented, and projected life is 70% at 33,000 hours.
Electrical and installationAn extruded aluminum hardwire box houses a 300 mA
dimmable Class II electronic LED driver with 100-135V AC input. An 18" (457 mm) FT6-rated cable with a DC 2.1 connector joins the driver to the fixture and is approved for use in plenums and suspended ceilings. Three "Quick connect" push-in terminals handle the wiring, and two spring-loaded clips attach the fixture to any ceiling material through a Ø 3 5⁄8" (92 mm) hole cut.
Dimming is TRIAC/ELV compatible with industry standard dimmers — always confirm your dimmer against the manufacturer's compatibility list before final wiring.
Technical specificationsApplication: Ceiling Recess Mount
Approved Location: Wet / Insulated Ceilings
Beam Angle: 38°
Certification: cETLus
Class II: Yes
CRI: 90
Dimming: Yes — TRIAC/ELV
Hole Cut: Ø 3 5⁄8" (92 mm)
Input: 100-135V AC, 50/60 Hz
Lumens: 600
Lumens per Watt: 57
Power Factor: >0.90
Projected Life: 70% @ 33,000 hrs
Operating Temperature: -20°C~40°C (-4°F~104°F)
Wattage: 12W
Trim finish: Black
Warranty: Lifetime
SKU: RA35-12F-40K-90BK
Applications, accessories and documentationThink open-concept kitchens where a row of small apertures replaces a bulky fixture, hallways and walk-in closets, retail fitting rooms, restaurant booths, clinic corridors, covered entries and soffits exposed to Canadian weather. Liteline lists a range of accessories for this family, sold separately: the P-3520 pre-mounting plate and the P-3520NC new construction plate with driver attachment clip for 3½" LUNA LED fixtures, the P-NCMK-1 new construction mounting kit with hanger bars, brackets and screws, the RA35-XLRING-BK, RA35-XLRING-BN and RA35-XLRING-WH reducer rings for 3½" LUNA fixtures, the VBE-1 vapour barrier extender for new construction and VBE-2, VBE-3, VBE-4 for remodel work — a real answer to the "recessed lighting vapor barrier" question — plus the LC-CRTL-DIM-1 smart Wi-Fi dimmer, 120V. To mix finishes or colour temperatures in the same project, see the
3.5" Luna LED round recessed fixture RA35-12F-40K-90BN, the
3.5" Luna LED round recessed fixture RA35-12F-30K-90WH or the dim-to-warm
3.5" Luna LED round recessed fixture RA35-12F-DTW-90BK. The full technical PDF spec sheet is available in the Documentation tab for your submittals and permit files.