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Cirrus Suspension T1 Dynamic/Tunable White Downlight, Center Feed

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Cirrus T1 Suspension Downlight Center feed with Dynamic/Tunable White is a linear LED fixture that offers soft yet clean illumination through a Diffused White Tubular Lens with a 176° Beam Spread. Dynamic Tunable White technology grants independent control for adjusting color temperature and brightness. The 2K4K option provides a range of 2000K (Amber) through 4000K (Neutral White), ideal for residential and hospitality settings. The 27K6 option ranges from 2700K (Warm White) through 6500K (Cool White), suitable for healthcare, education, office and other commercial applications. Use with two dimmers or our proprietary Tunable White Controller for fast and accurate adjustment with three pre-set scenes (Ordered separately). Available in various incremental lengths from 36" – 120" with several metal finish options. Order CSD_P with power supplies included in the Canopy or CSD_R remote power supplies sold separately. Optional Fast Jack 12V Port Canopy (C1) for mounting Fast Jack fixtures to easily accommodate a variety of moods and tasks. Fixture includes a 5-year pro-rated warranty. For custom lengths and quotes, email our design team

Tunable White: 5 or 10 Watts per foot
Average LED life: 60,000 hrs @ normal usage

CST1P: Power Supplies in Canopy
Power: 120VAC/24V 2x Uni-Drivers Optional Fast Jack Power Supply; 12VAC electronic low voltage LED power supply
Dimming*: Dual ELV, Triac (Magnetic) or 0-10V
Average LED life: 60,000 hrs @ normal usage
CST1R: Remote Power Supply Options
Power: 24VDC Class 2 wiring, 2x UNIVERSAL Remote Power Supplies (Sold separately, pgs 5-8). Optional Fast Jack Power Supply; 12VAC electronic low voltage LED power supply.
Power Consumed: 5 or 10 watts per foot
*Dimmers not Included


Lumen Performance
Tunable White: 5 Watts @ 30K 10 Watts @ 30K
Lumen Output: 346 Lm/Ft 700 Lm/Ft
Efficiency: 75 Lm/Ft 76 Lm/Ft
CRI: 92+ 92+
Beam Angle: 140°

Physical Attributes:

Lens: Tubular Diffused White 176° Beam Spread
Canopy: Includes a 12" Rectangular Canopy used for sizes 36"- 96", or a 26" Rectangular Canopy is used for sizes 99"- 120"; Optional Fast Jack 12V Port (C1) for mounting Fast Jack 12V fixtures
Mounting: Includes adjustable 12' Coaxial Cables (additional Aircraft Cables included for support when fixture exceeds 72")

Dimmers & Controls (Sold Separately)

  • UNI Driver with Universal Dimming (TRIAC, ELV, 0-10V) with corresponding dimmer
  • DMX: Dynamic Color Changing In-Wall Mounting
  • Lutron Hi-Lume°
  • *In-Wall Mounting Kits available for select power supplies
    **Dynamic/Tunable White- Requires two dimmers (one for 2000K and one for 4000K) or use our
    proprietary Tunable White Controller CDMX-1

5-Year Pro-Rated

Class 2 Wiring up to 100 watts, Damp Location Suitable, ETL listed. Title 24 with Universal Power Supply, 0-10V or Lutron power supplies, Made in America

Indoor Damp Location - Ideal applications in Residential, Commercial, Retail, and Hospitality environments

Assembled in America



Ordering Code

System   Wattage
Per Foot
  Canopy   Nominal Size (Inches)   Color Temperature   Finish
CST1P - 5W - C - 120 - 2K4K - SN
CST1P Cirrus Suspension Tubular 1 Lens,
with Power
CST1R Cirrus Suspension Tubular 1 Lens
with Remote Power
  5W 5 Watts
10W 10 Watts
  C Center Feed
C1 Center Feed with Fast Jack Port
  36-120 Order in various increments from 36"-120".
Maximum shipping length for Chrome is 84".
*See length chart on pg 2 for exact dimensions
  2K4K 2000K-4000K Tunable White
27K6 Tunable White 2700K-6500K
  BK Satin Black
BZ Antique Bronze
CH Chrome
SA Satin Aluminum
SN Satin Nickel
WH White
BB Satin Brass with
Black Canopy
and End Caps
BW Satin Brass with
White Canopy
and End Caps