Enlite SD5/40 230V 23W LED Non-Dimmable Slim Polycarbonate Downlight 4000K

Enlite SD5/40 23W Slim LED Downlight 4000K Cool White

The Enlite SD5/40 Slim LED Downlight is a high-output, energy-efficient lighting solution designed for applications requiring powerful illumination and minimal ceiling depth. Delivering crisp 4000K cool white light, this non-dimmable LED downlight features an ultra-slim 21mm profile, making it ideal for shallow ceiling voids and refurbishment projects.

Constructed from durable polycarbonate and engineered for reliable performance, the SD5/40 combines excellent light distribution with straightforward installation. Its large diameter design makes it particularly suitable for commercial environments, communal areas and larger residential spaces requiring broad light coverage.

Key Features

• Ultra-slim 21mm profile for shallow ceiling installations
• Bright 4000K cool white illumination
• High-performance 23W LED technology
• Wide 120° beam angle for uniform light distribution
• 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 installations
• 3-year manufacturer warranty

Technical Specifications

• Product Type: Slim LED Downlight
• Finish: White
• Power Consumption: 23W
• Colour Temperature: 4000K Cool White
• Efficiency: 104lm/W
• Beam Angle: 120°
• Dimmable: No
• Impact Rating: IK06
• Fire Rating: TP(b)
• Lifetime: 15,000 Hours
• Warranty: 3 Years
• Height: 21mm
• Overall Diameter: 298mm
• Cut-Out Diameter: 280mm
• Pre-Wired Cable Length: 350mm

Ultra-Slim Design for Restricted Ceiling Voids

With a depth of only 21mm, the Enlite SD5/40 is specifically designed for projects where ceiling space is limited. This makes it ideal for suspended ceilings, refurbishment work and installations where traditional recessed fittings cannot be accommodated.

Bright and Uniform Light Output

The 4000K cool white colour temperature delivers a clean, bright lighting environment that is well suited to commercial premises, educational facilities, communal areas and modern residential interiors. Combined with a wide 120° beam angle, the fitting provides excellent light spread and reduced shadowing.

Durable and Safe Construction

Manufactured from impact-resistant polycarbonate, the SD5/40 offers dependable performance in demanding environments. Its TP(b) fire-rated construction and IK06 impact resistance provide additional reassurance for installers, building managers and end users.

Ideal Applications

• Commercial offices and workplaces
• Schools and educational facilities
• Retail stores and showrooms
• Reception and communal areas
• Healthcare facilities
• Residential developments
• Refurbishment projects
• Large-area shallow ceiling installations

Quick and Simple Installation

Supplied with a 350mm pre-wired cable, the Enlite SD5/40 enables fast and efficient installation. Its lightweight construction and low-profile design help reduce installation time while delivering reliable, energy-efficient lighting performance.

Data Sheet:
Download the Enlite SD5/40 Data Sheet

Enlite Lighting Catalogue:
View the Enlite Lighting Catalogue