Product Description

The Collingwood THLB1T Thea Lite CSP is a stylish black, colour-switchable commercial downlight designed for modern commercial interiors. Ideal for offices, schools, gymnasiums, hotels and shared circulation spaces, it delivers reliable performance with a neat, contemporary finish that complements darker ceilings and design-led schemes.

With an IP54 rating from below, this fitting is suitable for internal areas and sheltered external applications where protection from water splashes is required. High efficacy of up to 110 lm/W helps to keep running costs low, while a slim 33 mm depth and plug-and-play connector system ensure quick and easy installation, even in shallow ceiling voids.

Key Features

• Tri-CCT selectable: 3000K / 4000K / 6000K
• High efficiency up to 110 lm/W for reduced energy consumption
• Mains dimmable (leading and trailing edge) and 0–10V dimming options
• UGR 27 compliant for comfortable, glare-controlled lighting in washrooms, bathrooms, cloakrooms and stairwells
• IP54 protection from below – resistant to water splashes from any direction
• Ultra-slim 33 mm product depth, ideal for small or restricted ceiling voids
• TP(a) thermoplastic diffuser and 850 °C glow-wire tested for added safety
• Durable ADC12 aluminium alloy body for long-term reliability
• Smart black finish for contemporary commercial spaces

Specification

• Warranty: 5 years
• CRI: >80
• UGR: 27
• IP Rating: IP54 (from below), IP20 (from above)
• Dimming Options: 0–10V and mains dimmable (leading/trailing edge)
• Input Voltage: 220–240V AC
• Ambient Temperature Range: –20°C to +40°C
• Insulation Coverable: No
• Cut-Out Size: 100 mm
• Body Material: ADC12 aluminium alloy, PC, PET
• Electrical Class: Class II
• Beam Angle: 80°
• Colour / Finish: Black
• CCT Range: 3000K / 4000K / 6000K
• Efficiency: 100–110 lm/W
• Emergency Lumens: See accessories
• LED Lifetime: L80 50,000 hours
• Power Factor: 0.9
• Diffuser Rating: TP(a)
• Battery Warranty: 3 years
• Connector Type: Push-fit terminal, loop-in / loop-out
• Energy Class: C
• Width: 121 mm
• Length: 121 mm
• Height: 33 mm
• Style: Mains dimmable commercial downlight
• Sensor Option: None
• Emergency Option: None
• Wattage & Lumens: 10W | 1000–1100 lm
• Adjustability: Fixed (not adjustable)

Data Sheet

Click here to download the Collingwood THLB1T data sheet