Description
Fire Rated Dimmable Adjustable LED Downlight with CCT and Wattage Selection
Collingwood DLT661600A
Collingwood DLT661600A H4 Lite Adjustable LED Downlight is a fire rated, mains dimmable recessed downlight designed for residential and light commercial installations where directional lighting and on-site flexibility are required. It features adjustable tilt, switchable colour temperature and switchable wattage, allowing the lighting output to be configured during installation.
Colour temperature and wattage selection are controlled via switches on the underside of the luminaire, enabling straightforward configuration. The product is supplied with a white bezel as standard, while black and brushed steel bezels are available separately, allowing the appearance to be matched to interior finishes.
Key Features and Benefits of the Collingwood DLT661600A H4 Lite Adjustable LED Downlight
- Fire rated construction suitable for residential ceilings
- Adjustable tilt up to 30° for accent and feature lighting
- Mains dimmable via leading and trailing edge (TRIAC) dimmers
- Colour temperature selectable between 2700K, 3000K and 4000K
- Wattage selectable between 4W and 6W
- IP65 rated from below, suitable for bathroom Zone 1
- Fixed 55° beam angle
- Two-part first-fit connector supporting loop-in / loop-out wiring
Technical Data – Collingwood DLT661600A H4 Lite Adjustable LED Downlight
Lighting Performance
- CRI: >80
- UGR: <25
- Beam Angle: 55°
- Tilt: 30°
- Colour Temperature: 2700K / 3000K / 4000K
- Luminous Efficacy: up to 130 lm/W
- Lumen Output:
- 4W: 450–520 lm
- 6W: 650–750 lm
- LED Lifetime: L70 60,000 hours
Electrical
- Input Voltage: 220–240V AC
- Dimming: Mains dimmable (TRIAC)
- Power Factor: 0.85
- Inrush Current: 1.4A
- Electrical Class: Class II
Installation & Construction
- Cut-out Size: 70–72mm
- Maximum Ceiling Thickness: 40mm
- IP Rating: IP65 (from below), IP20 (from above)
- Insulation Coverable: Rolled and blown insulation
- Bathroom Zone: Zone 1
- Body Material: Mild Steel / V0 rated plastic
- Finish: Matt White
- Connector Type: 2-part first-fit connector
Compliance & Ratings
- Fire Rating (Part B): Solid Timber 30/60/90 min, I-Joist 30 min, Metal Web 30 min
- UK Building Regulations: Part B, C, E, P & L
- Warranty: 7 years
Application Notes
The Collingwood DLT661600A H4 Lite Adjustable LED Downlight is intended as a fit-and-forget solution where adjustable light direction, moisture resistance and fire protection are required. When used with a converter plate, the IP rating remains unaffected; however, the product is no longer fire rated.
