COLUMBIA LIGHTING
CTK

The CTK retrofit kit provides a quick and affordable way to upgrade your existing lensed troffers to a high performing, architecturally styled fixture.

Features & Benefits

  • Existing prismatic or parabolic troffers can be retrofitted with LED architectural lighting
  • The integrated assembly enables installation. 0-10V dimming down to 10%
  • Polycarbonate lens with high efficiency
Where To Buy
SPEC SHEET

Specifications

Lumen Range
2,600 - 4,500
Dimming Protocol
0-10V Dimming
CCT Offering
3500, 4000
CRI Offering
80
Mounting Options
Recessed
Material - Housing
Steel
Wattage Range
20 - 35
Efficacy Range
124 - 130
Color Offering
White
Optics & Distributions
Lambertian
Certifications
UL
Warranty
5 year limited

Product Documents

CTK Specification Sheet
501 KB
2023-08-03

Brochures / Catalogs

Sell Sheets

CTK Sell Sheet
1136 KB
2023-08-03

Technical Documents

Warranties

Photometry(0)

Clear Filters

Product Name Color Temp CRI Lumens LM/W Watts Dist. Type Resources
CTK22-33353500 K80 CRI3093 lm12424.57 WAmbient
CTK22-33404000 K80 CRI3124 lm12424.6 WAmbient
CTK22-40353500 K80 CRI4057 lm12532.23 WAmbient
CTK22-40404000 K80 CRI4120 lm12532.28 WAmbient
CTK24-35353500 K80 CRI3578 lm12528.4 WAmbient
CTK24-35404000 K80 CRI3569 lm12528.2 WAmbient
CTK24-44353500 K80 CRI4452 lm12635.16 WAmbient
CTK24-44404000 K80 CRI4536 lm12635.16 WAmbient
CTK22-28353500 K80 CRI2644 lm12721.3 WAmbient
CTK22-28404000 K80 CRI2683 lm12721.1 WAmbient
CTK24-25353500 K80 CRI2551 lm12820.0 WAmbient
CTK24-25404000 K80 CRI2583 lm13020.0 WAmbient
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Application Photos

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