Blackwell 2

Series

Direct-Indirect low glare Linear Lighting

The Blackwell 2 Series Direct-Indirect UGR<19 is a premium commercial linear LED luminaire engineered to provide low glare, LG7-compliant lighting with enhanced visual comfort.

Its dual light-emitting surfaces deliver downward illumination for functional lighting, while the upward-facing surface softly illuminates the ceiling to reduce contrast and further minimise glare.

Manufactured from extruded aluminium with a refined 73mm x 85mm profile, it is designed exclusively for suspended installation, providing a clean, architectural aesthetic.

With DALI-2 dimming, tuneable white (2700K-5700K), and standard or custom lengths, the Blackwell Direct-Indirect adapts to a wide range of specification-grade interior projects.

Performance Summary
Series Code	BLA2
Nominal Power (Range)	28W to 145W
Glare	UGR<19 (Micro-prismatic diffuser)
Light Source	Direct-Indirect (Direct-only also available)
CCT	3000K, 4000K or 2700K-5700K Tuneable
Visual Accuracy	CRI>80, SDCM 3
Emergency	Remote-Test, DALI Self-test
Colours	White (RAL9016), Black (RAL9005), Silver (RAL9006), Custom
Length (approx.)	0.9m to 3.0m (Custom lengths available)
Warranty	5 Years

Downloads

Optic Distribution Design Features Typical Applications Case Studies Gallery Related Products

LIGHT DISTRIBUTION OPTIONS

360° Optic Prismatic

360° Optic Opal

Please note - images shown are intended to be illustrative only.
For exact data, please refer to specific product photometry, available in the above download section.

Direct-indirect lights designed for
purpose

Dual light-emitting surfaces balance direct and indirect illumination to reduce glare and improve visual comfort.
Upward light softly illuminates ceilings, minimising contrast and enhancing overall ambience.
Suspended mounting only, ensuring optimal distribution and uniformity in open-plan or high-ceiling spaces.
Micro-prismatic diffuser achieves UGR<19, supporting LG7 compliance in commercial and educational applications.
DALI-2, DSI, 1-10V, and switch dimming options allow seamless integration with modern lighting control systems.
Standard and bespoke lengths provide continuous, tailored lines of light for architectural continuity.
Choice of finishes and flex colours ensures the luminaire complements interior schemes.
Emergency lighting options, including 3-hour and DALI self-test, maintain compliance with building regulations.

TYPICAL
APPLICATIONS

Offices
airport
education
RETAIL
supermarket
Meeting Rooms
Corridors
Receptions
Changing Rooms

Gallery

Specifications

A summary of the light's specifications is shown below. Please refer to the product data sheets (available in the Downloads section) for further details.

Performance Summary
Series Code	BLA2
Nominal Power (Range)	28W to 145W
Luminaire Efficacy @ CRI>80 4000K CCT	116lm/w
Lumen Output @ CRI>80 4000K CCT	1,800 to 16,300 lumens
Lumen Maintenance (TM21 Reported)	L70B10 ≥75,000 hours
Primary Conformities	CE & RoHS
Warranty	5 Years

Light Source and Photometric Parameters
Light Emission	Direct-Indirect (Direct-only version also available)
CCT	3000K, 4000K, 2700K-5700K (Tuneable)
CRI	≥80
MacAdam	SDCM 3
Lens Opacity	Opal, Microprism (UGR<19)

Environmental
Ingress Rating	IP20
Ambient Usage Tolerance	0° to 40°C
Ambient Humidity Tolerance	10% to 90% RH
Ambient Storage Tolerance	0° to 50°C

Electrical
Input Voltage	220-240VAC
Driver Brand(s)	Tridonic
Input Frequency (VAC)	50-60Hz
Power Factor	≥0.9

Physical/Mechanical
Fixture Material	Extruded Aluminum
Fixture Finish	Painted

Dimming/Controls
Dimming Options	1-10V, DALI-2

Options/Accessories
Mounting Styles	Cable Suspended
Available Product Colours	Black (RAL 9005), White, (RAL 9016), Silver (RAL 9006)

Our lights are used by

I am delighted to have used Kellwood...
- P. Nisbet, Wabtec Corporation
a project that was well planned and promptly accomplished
- E. McHugh, Loganair
Where others let us down, Kellwood did not
W. Coley, Barking Abbey School
...my client is over the moon with the end results
A. Fraser, MacLean Electrical
I'd certainly recommend them
V. Richardson, Stolle Europe
I'm more than pleased with the guys. I'd recommend them to anyone
G. Gray, Logoplaste