Nora Lighting NLUD-4334B 4' L-Line LED Indirect/Direct Linear, 6152lm / Selectable CCT, Finish

Product Overview

The Nora NLUD-4334B is a 4-foot L-Line LED indirect/direct linear luminaire. The 4' indirect/direct configuration is listed at 6152 lumens (measured at 4000K) and features selectable CCT and field-selectable direction of light.

The luminaire has an extruded aluminum housing with a diffused polycarbonate lens, supports 120–347V input and 0–10V dimming, and is shown as DLC listed and cETLus listed for damp locations in manufacturer documentation.

Key Features

• Light output: 6152 lm (listed at 4000K)
• Selectable CCT per direction: 3000K / 3500K / 4000K (preset to 3000K)
• Selectable light direction: direct only, indirect/direct (preset), or indirect only
• Finish: Black (NLUD-4334B SKU)
• Input voltage: 120–347V; 0–10V dimming (manufacturer notes dimming to 15% for best performance)
• Construction: one-piece extruded aluminum housing with diffused polycarbonate lens
• Listings and warranty: DLC Listed; cETLus Listed for damp locations; FCC and ADA compliance noted; 5-year limited warranty

Function and lumen distribution

The NLUD-4334B is a 4' indirect/direct linear luminaire with symmetrical, diffused output. Manufacturer photometric data lists the 4' indirect/direct configuration at 6152 lumens (measured at 4000K).

The product specification indicates a typical distribution split of approximately 70% direct and 30% indirect for the NLUD series.

• Listed lumen output (4' indirect/direct): 6152 lm (at 4000K)
• Distribution split: approximately 70% direct / 30% indirect (manufacturer specification)
• Diffused polycarbonate lens for uniform illumination

Electrical requirements and dimming

The luminaire accepts 120–347V input and is specified with LED drivers compatible with 0–10V control. Manufacturer documentation notes dimming to 15% for best performance.

The spec sheet lists a maximum wattage per continuous run of 420W; use this when planning connected runs.

• Input voltage: 120–347V
• Dimming: 0–10V control (manufacturer notes down to 15% for best performance)
• Maximum wattage per run: 420W (per manufacturer documentation)

Selectable CCT and output controls

NLUD luminaires include switches to set color temperature and light direction independently for up and down outputs. CCT options per direction are 3000K, 3500K and 4000K; both directions are indicated as preset to 3000K in the spec sheet.

Direction of light can be set in the field to direct only, indirect/direct (preset), or indirect only.

• Selectable CCT per direction: 3000K / 3500K / 4000K (preset to 3000K)
• Three-position switches control up/down CCT and up/down light direction
• Direction selectable: down (direct), both (direct/indirect), or up (indirect) — preset to both

Mounting options and accessories

NLUD luminaires can be pendant-mounted or wall-mounted; mounting kits and continuous-run brackets are sold separately and are required for certain installations (manufacturer lists specific kit part numbers).

Accessories referenced in the documentation include wall-mount kits, pendant power and aircraft mounting kits, continuous-run brackets, wire harness kits, louvers and end caps in matching finishes.

• Mounting kits sold separately (examples from spec sheet: NLUD-4WM for wall mount, NLUD-PCC for pendant power & aircraft mounting)
• Continuous runs require brackets and may require additional accessories (e.g., NLUD-PMC, NLUD-MDPH)
• Optional factory-installed features available per SKU: motion sensor (/OS) and emergency battery (/EM) options

Listings and warranty

Manufacturer documentation lists DLC and cETLus listings and notes FCC and ADA compliance. The product carries a 5-year limited warranty per the spec sheet.

Photometric test reports and the official spec sheet provide detailed performance data and CCT multipliers for layout calculations.

• DLC Listed; cETLus Listed for damp locations
• FCC compliant; ADA compliance noted
• 5-year limited warranty

Before You Order

Confirm model (NLUD-4334B) and finish. Mounting kits, continuous-run brackets and optional features are ordered separately.

• Verify required mounting kit for your installation (wall or pendant).
• Specify any factory-installed options you need (motion sensor or emergency battery) as separate SKU suffixes.
• Plan continuous runs and power distribution with the manufacturer-stated maximum wattage per run (420W).

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Nora Lighting NLUD-4334B 4' L-Line LED Indirect/Direct Linear, 6152lm / Selectable CCT, Finish. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.