Built to last, built to aimThe RA4-12G-90WH starts with a durable
airtight aluminum body and an adjustable gimbal that lets you tilt the optic where the design needs it — 20° of tilt is shown on the dimensional drawing. Inside, an anodized blue heat sink maximizes airflow around the LED light source, which is exactly what keeps output and colour stable over the long haul. The white trim finish (WH) blends into painted ceilings, and the whole fixture is compact: 5 1/16" (128mm) overall with a 4 3/16" (106mm) trim face, 3 3/8" (85mm) deep, and it drops into a Ø 4 1/4" (108mm) hole cut. Two spring-loaded clips attach it to virtually any ceiling material.
Light quality you can seeThis is a general application
LED downlight with a module that maintains uniform intensity — no hot spots, no patchy colour across a row of pot lights. Up to
1111 lumens with a typical
CRI of 96 means whites stay white and reds stay rich, a real advantage over cabinetry, art, food and retail displays. The lens produces a tight, controlled
40° beam spread for directional accenting. The on-fixture colour selectable switch offers five colour temperatures, and at 12W the measured output is 995 lumens at 2700 K, 1040 at 3000 K, 1090 at 3500 K, 1110 at 4000 K and 1085 at 5000 K.
Technical specificationsSKU: RA4-12G-90WH
Application: Ceiling Recess Mount
Approved location: Wet / Insulated Ceilings
Wattage: 9W / 12W
Lumens: Up to 1111
Lumens per watt: Up to 91
CCT (colour selectable): 2700 K / 3000 K / 3500 K / 4000 K / 5000 K
CRI: 96
Beam angle: 40°
Input: 100-135V AC, 60Hz
Power factor: 0.9
Dimming: Yes — Forward/reverse-phase, TRIAC/ELV
Hole cut: Ø 4 1/4" (108mm)
Operating temperature: -20°C~40°C (-4°F~104°F)
Certification: cETLus, Energy Star, Class II
Projected life: 70% @ 50,000 hrs
Warranty: Lifetime
Wiring and installationAn extruded aluminum hardwire box houses a dimmable Class II electronic LED driver — 12 watt (300mA) or 9 watt (210mA) — with 100-135V AC input, and it connects to the fixture through an 18" (457mm) FT6 rated cable with a DC 2.1 connector approved for use in plenums and suspended ceilings. Three
Quick Connect push-in terminals make wiring fast on a long ceiling run. Dimming goes from 100% down to 10% on industry standard forward-phase / reverse-phase and TRIAC/ELV dimmers. The fixture is airtight, approved for direct contact with insulation, tested with insulation up to R60, and a vapour barrier extender is recommended in spray foam and loose fill applications — something worth planning in any Canadian new build or attic retrofit.
Where it works, and what pairs with itThink kitchen perimeters and island accents, hallway rhythm lighting, basement renovations, covered entries and porches (it's rated for
wet locations), bathrooms, retail shelving, clinic corridors and café seating. Because the LUNA family shares the same 4" footprint and finishes, you can mix fixed and gimbal versions in one ceiling: see the
4" Luna LED round regressed gimbal recessed fixture RA4-12RG-90BK, the brushed nickel
4" Luna LED round regressed gimbal recessed fixture RA4-12RG-90BN, or the fixed-CCT
4" Luna LED round gimbal recessed fixture RA4-12G-30K-90WH. Accessories such as pre-mounting plates, new construction mounting kits, reducer rings and vapour barrier extenders are sold separately. The full technical spec sheet is available in the Documentation tab for cut dimensions, lumen tables and wiring details.