Knightsbridge PRECW5 Preceptor 5ft 45W Modular Linear Fitting – CCT & Wattage Adjustable, UGR19

The Knightsbridge PRECW5 Preceptor is a highly adaptable 5ft modular LED linear luminaire designed for commercial, industrial and large-scale project installations. Offering adjustable colour temperature and wattage, it enables precise on-site lighting customisation from a single SKU. With optional plug-in modules including emergency packs and microwave sensors, the Preceptor range is engineered for maximum versatility and long-term flexibility.

Modular Design

The Preceptor system supports a wide variety of lighting configurations. Whether your project requires a standard linear luminaire, an emergency variant or microwave sensor functionality, the PRECW5 can be enhanced quickly and easily using Knightsbridge plug-in modules. The range also includes multiple sizes and output options to meet detailed project specifications.

Versatile CCT & Wattage Adjustability

The PRECW5 allows installers to match light output to its environment with selectable colour temperatures of 3000K, 4000K and 5700K. Wattage can also be set to 24W, 30W, 36W or 44W, delivering excellent flexibility and improved energy performance while maintaining consistent lighting quality.

Fast Installation & Retrofit Friendly

Featuring a hinged gear tray, rear and end conduit entries and BESA compatibility with standard 600mm fixing points, the PRECW5 is engineered to retrofit seamlessly into existing layouts. Three push-fit loop-in/loop-out terminal blocks further simplify wiring and improve installation efficiency.

Key Features

• Optional modular microwave sensor (MODMWS).
• Optional modular emergency conversion kit (MODEMKIT).
• UGR19 low-glare design for comfortable, compliant lighting.
• High-efficiency LED technology.
• Adjustable CCT: 3000K / 4000K / 5700K.
• Adjustable wattage: 24W / 30W / 36W / 44W.
• Rear and end conduit fixings.
• BESA box compatible (600mm centres).
• Hinged gear tray for quick access.
• Push-fit loop-in/loop-out terminal blocks.
• 24W – 3,200 lm @ 4000K.
• 30W – 3,900 lm @ 4000K.
• 36W – 4,500 lm @ 4000K.
• 44W – 5,400 lm @ 4000K.

Data Sheet

Click here to download the Data Sheet