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Columbia Lighting

Columbia Lighting 2×4 Selectable LED Center-Lens Troffer

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SKU
CLT24-LSCS-EDD SELECTABLE 2X4

Columbia Lighting’s white 2×4 LED center-lens troffer offers selectable outputs of 3,750, 5,000, or 6,000 lm and selectable color temperatures of 3500K, 4000K, or 5000K, with 0–10V dim-to-off control. It is rated 45 W for 120–347V operation and measures 23.74 in W × 47.76 in L × 2.15 in H.

  • 2×4 center-lens troffer
  • Selectable lumen output
  • Selectable color temperature
  • 120–347V input
  • 0–10V dim-to-off
  • 45 W wattage

Product Overview

Columbia Lighting’s white 2×4 LED center-lens troffer offers selectable outputs of 3,750, 5,000, or 6,000 lm and selectable color temperatures of 3500K, 4000K, or 5000K, with 0–10V dim-to-off control. It is rated 45 W for 120–347V operation and measures 23.74 in W × 47.76 in L × 2.15 in H.

Technical Specifications

Product information and specifications for the selected item.

SKU: CLT24-LSCS-EDD SELECTABLE 2X4

Product Information

BrandColumbia Lighting
MPNCLT24-LSCS-EDD SELECTABLE 2X4
SKUCLT24-LSCS-EDD SELECTABLE 2X4
CategoryTroffers & LED Flat Panels

Key Specs

Wattage45 W
Actual Color Temperature (K)3500K/4000K/5000K
Length x Width (ft)4 X 2
Power SourceHardwired

Light Output

Wattage45 W
Actual Color Temperature (K)3500K/4000K/5000K
Photometric and lifetime standardsAdheres to LM79, LM80, and TM21 industry standards for photometrics and lifetime calculations
Peak efficacy157 lm/W at the LOW setting (maximum listed efficacy)
Color rendering index80+ CRI
Projected lumen maintenance0.95 at 25,000 h; 0.89 at 50,000 h; 0.87 at 60,000 h, at 40°C ambient ratio

Electrical

Power SourceHardwired
Tested 0–10V dimmer compatibilityLab-tested models include NX Lighting Controls RSD0108-UNV-XX; Lutron Diva DVST*, DVTV*, NTSTV-DV; Synergy ISD BC120/277; and Enerlites 51300L*. Verify compatibility before installation; starred dimmers require knob adjustment to change low-end trim below 1.05 V.
Class 1 wiring requirementClass 1 wiring should comply with NEC
Minimum input/output wire sizeUL-approved wire required for input/output connections; minimum size 18 AWG
Wiring lead identificationWhite: neutral; black: line; pink: 0–10V dimming (−); violet: 0–10V dimming (+)

Application & Features

FeaturesDimmable, Selectable Lumens
Lens constructionFrosted lens with a textured finish for smooth, even illumination
Safety standards and labelsBuilt to UL 1598 standards; bears appropriate CSA labels
Minimum insulation clearance from luminaire top3 in
UL 924 standardBuilt to UL 924 standards
Insulation-contact labelIC label standard for recessed products
Warranty term5 years
IC labelingStandard IC label for recessed products
Grid clip retentionFour T-grid clips are bent to secure the luminaire; secure it to facility structure per local building codes
Plenum suitabilityLow-profile design for shallow-plenum applications
Supported grid ceiling sizes9/16 and 15/16 in
T-bar grid compatibilityIntegral clips fit 9/16 in. and 15/16 in. ceiling grids
Diffuser access for maintenanceOpen by squeezing the diffuser width against housing tabs; snap it back into place and ensure it is fully seated
Selector location and setupTwo switches are on the driver side; set desired levels before installation
UL/CSA standards and labelingBuilt to UL 1598 standards; carries CSA labels
Housing constructionDie-formed code-gauge steel

Finish

Color/Finish FamilyWhite
Lens surface finishTextured finish

Dimensions & Weight

Length x Width (ft)4 X 2
Height (in.)2.15
Width (in.)23.74
Length (in.)47.76
Weight (lb.)11.7

Product Documents

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