Lumen Output

160 – 595 lm / metre


11 – 23W / metre

The Ratio LED strip is our most elegant product offering that provides inspiring directional light and glare control. The Ratio is our most compact profile/product that features a broad range of optics, colour temperatures and glare control options.

The flexibility of the Ratio is further complemented with the availability of 2 wattages (11W and 23W) and various lengths. With no compromise on aesthetic it is easy to customise the perfect lighting effect for the most demanding of lighting projects.

Compact Size

Reduced form factor can provide much freedom and simplicity to a designer. At only 20x22.5mm the Ratio is the smallest LED strip/profile offered with optical and glare control.

Slimline Optics

The Ratio is offered in a range of optical variations, providing precision in each particular application.

Product Benefits


Coolon products use the world's most reputable LED manufacturers and latest available standard to adequately report luminaire lumen maintenance.

Various CCT & Colour Binning Consistency

Product is offered in various Colour Temperatures using tighter bins.


All Coolon Architectural Products are backed by a Solid 5 Year Manufacturer’s Warranty.

Made in Australia

Coolon products are proudly designed and manufactured in Australia.


Ratio 11W Version 23W Version
Part Number STR-RATIO
Description Ratio Medium Power Beam Control LED Strip
Segment Length (S) 240mm
Segment Width 10.50mm
LED Pitch 34.28mm
LEDs Per Segment 7
Operating Voltage 24VDC
Typical Power Consumption per Segment 2.5W per 240mm Segment 5.3W per 240mm Segment
Typical Power Consumption per Metre 11W per Metre 23W per Metre
Typical Current 115mA per 240mm Segment 230mA per 240mm Segment
Colour Rendering Index (CRI) 90+
Dimmable Through CTR-DALILOGIC or CTR-DIMMERLOGIC (sold separately)
Effective Beam Angle Varies with optics (30° – 110°)
External Heatsink Required No
Ambient Operating Temp Ta -10°C to 50°C
Thermal Operating Yes (Active)
Reported Lumen Maintenance
TM21-11 (@ Ts = 85°C, lf = 700mA)
L70 (17K) > 103,000 hours
L90 (17K) = 103,000 hours

Ratio max. operating values (@ Ts = 40°C, If = 230mA)
IP Rating IP40
Max Continuous Connection Length Please refer to installation limitations


  Title Description File Size Download
Ratio Ratio Full Ratio specifications - PDF format 1175 KB   DOWNLOAD

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