Enlite SD4/40 230V 17W LED Non-Dimmable Slim Polycarbonate Downlight 4000K

Enlite SD4/40 17W Slim LED Downlight 4000K Cool White

The Enlite SD4/40 Slim LED Downlight is a powerful and energy-efficient lighting solution designed for installations where ceiling void depth is limited. Delivering bright 4000K cool white illumination, this non-dimmable LED downlight combines high performance with an ultra-slim profile, making it ideal for residential, commercial and refurbishment projects.

With a depth of only 21mm, the SD4/40 is specifically engineered for shallow ceiling spaces where traditional recessed fittings cannot be accommodated. Its robust polycarbonate construction, wide beam angle and pre-wired cable ensure reliable operation and straightforward installation.

Key Features

• Ultra-slim 21mm profile for shallow ceiling voids
• Bright 4000K cool white illumination
• High-output 17W LED technology
• Wide 120° beam angle for uniform light coverage
• TP(b) fire-rated construction
• IK06 impact-resistant polycarbonate housing
• Supplied with 350mm pre-wired cable
• Non-dimmable operation
• Long 15,000-hour lifespan
• Modern white finish
• Suitable for residential and commercial environments
• 3-year manufacturer warranty

Technical Specifications

• Product Type: Slim LED Downlight
• Finish: White
• Power Consumption: 17W
• Colour Temperature: 4000K Cool White
• Efficiency: 106lm/W
• Beam Angle: 120°
• Dimmable: No
• Impact Rating: IK06
• Fire Rating: TP(b)
• Lifetime: 15,000 Hours
• Warranty: 3 Years
• Height: 21mm
• Overall Diameter: 229mm
• Cut-Out Diameter: 210mm
• Pre-Wired Cable Length: 350mm

Designed for Restricted Ceiling Spaces

The ultra-slim 21mm design makes the Enlite SD4/40 ideal for installations where ceiling void depth is limited. Whether used in refurbishment projects, suspended ceilings or modern developments, this fitting provides a practical lighting solution without compromising performance.

Bright and Even Light Distribution

Featuring a wide 120° beam angle, the SD4/40 provides excellent light coverage across larger areas. The 4000K cool white colour temperature creates a bright, clean and comfortable environment suitable for workspaces, communal areas and residential interiors.

Reliable and Durable Construction

Constructed from durable polycarbonate, the SD4/40 benefits from an IK06 impact rating and TP(b) fire-rated materials. These features help ensure long-lasting performance while meeting the requirements of modern lighting installations.

Ideal Applications

• Commercial offices and workplaces
• Retail stores and showrooms
• Residential properties
• Hallways and communal areas
• Educational facilities
• Healthcare environments
• Refurbishment projects
• Shallow ceiling installations

Quick and Simple Installation

Supplied with a 350mm pre-wired cable, the Enlite SD4/40 is designed to simplify installation and reduce fitting times. Its lightweight construction and compact design make it a convenient choice for electricians and contractors working across a wide range of projects.

Data Sheet:
Download the Enlite SD4/40 Data Sheet

Enlite Lighting Catalogue:
View the Enlite Lighting Catalogue