LEDVANCE Sylvania 65904 Dual Selectable UNH 4B 2x4 Backlit LED Flat Panel — 50W — 3500K/4000K/5000K — 120–347V — White

LEDVANCE Sylvania 65904 Dual Selectable UNH 4B 2x4 Backlit LED Flat Panel — 30W/40W/50W Selectable — 3500K/4000K/5000K — 120–347V — White

The LEDVANCE Sylvania PANELF4BS050UNHD8SC724GWH (Item 65904) is a commercial Performance Class Generation 4B 2x4 Backlit LED Flat Panel engineered to deliver up to 6,250 lumens with field-adjustable 30W/40W/50W power settings and switchable 3500K/4000K/5000K color temperatures. Operating on 120–347VAC electrical systems with 0–10V continuous dimming, this luminaire provides an energy-efficient replacement for legacy 2-lamp, 3-lamp, and 4-lamp 28W/32W T8 fluorescent fixtures. Built with a cETLus Damp Location and IC-Rated construction, it is qualified for maximum commercial utility rebates under DLC Premium (and DLC Low Bay) standards and features backlit technology with non-yellowing PMMA lenses for even light distribution without shadowing.

Key Features

• Selectable Wattage: 30W / 40W / 50W — field-adjustable via onboard selector switch
• Wattage Equivalency: Replaces legacy 2x28W T8 (49W), 2x32W T8 (56W), 4x28W T8 (97W), and 4x32W T8 (116W) fluorescent fixtures for up to 66% energy savings
• Maximum Lumen Output: 6,250 lm at 50W (5,000 lm at 40W / 3,750 lm at 30W)
• Peak Efficacy: Up to 125 lm/W for high-efficiency commercial operation
• CRI: >80 color rendering across all settings
• Selectable CCT: 3500K / 4000K / 5000K — field-adjustable via onboard switch
• Lens & Optics: PMMA lenses that do not yellow over time, offering even backlit distribution without shadowing
• Dimming: 0–10V continuous dimming standard
• Voltage: Universal 120–347VAC (UNH) constant current driver
• Location Rating: cETLus Listed to UL 1598 standards for damp locations; IC-Rated for insulated ceilings
• Operating Temperature: -4°F (-20°C) to +122°F (+50°C) ambient range
• Certifications: DLC Premium Listed (and DLC Low Bay Category qualified), cETLus Listed, FCC, RoHS
• Rated Life: 50,000 hours (L70)
• Warranty: 5-year limited warranty — LEDVANCE Sylvania (NLB Trusted Warranty Program)
• Form Factor & Design: Backlit 2x4 grid ceiling design (47.8" × 23.9" × 1.7"); 2/CS packaging

Performance & Light Output

Wattage Total Lumens Efficacy Legacy Equivalent 30W 3,750 lm 125 lm/W 2x28W T8 (49W — 39% Savings) / 2x32W T8 (56W — 46% Savings) 40W 5,000 lm 125 lm/W 2x32W T8 (29% Savings) / 4x28W T8 (59% Savings) / 4x32W T8 (116W — 66% Savings) 50W 6,250 lm 125 lm/W 4x28W T8 (97W) / 4x32W T8 (116W System)

CRI >80 across all configurations. Rated life 50,000 hours (L70). Equipped with a multi-wattage selectable driver (field-adjustable lumen output / variable power settings) and field-adjustable CCT (color temperature selectable / tunable white / switchable Kelvin 3500K/4000K/5000K).

Smart & Control Features

The PANELF4BS050UNHD8SC724GWH includes a 0–10V dimmable driver validated for compatibility with commercial 0–10V wall dimmers including Leviton (DS710, IP710), Lutron (NTSTV-DV, NFTV, DVTV-WH), and Legrand (H4FBL3PW).

Electrical

Powered by a wide-range constant current UNH driver operating on 120–347VAC input with a Power Factor >0.90 and Total Harmonic Distortion (THD) <20%. Includes standard 0–10V dimming leads.

Emergency Battery Backup: EM ready and compatible with the SYLVANIA field-installable emergency battery back-up unit 60888 (EMBB1A8WDC) (sold separately) paired with the 2x2/2x4 metal bridge 61682 (ACCPANELF3AEMBB-BRIDGE2) (sold separately), which activates upon normal power failure to provide a minimum of 790 lumens (850 nominal lumens) for at least 90 minutes.

Construction

Housing & Build: Generation 4B 2x4 backlit luminaire housing engineered for even overhead illumination without shadowing.

Location & Environmental Rating: cETLus Listed to UL 1598 standards for indoor damp locations and IC-Rated for direct contact with ceiling insulation.

Operating Temperature: Operating ambient temperature range of -4°F (-20°C) to +122°F (+50°C).

Lens & Optics: Non-yellowing PMMA optical lenses engineered for consistent backlit diffusion over the fixture lifetime.

Finish: White finish.

Dimensions: 47.8" L × 23.9" W × 1.7" H (1214mm × 604mm × 44mm).

Installation & Mounting

Standard Mounting: Designed for recessed installation into standard 2x4 T-grid ceilings.

Accessories (Sold Separately):

• Surface Mount & Flange Kits: 62065 (SMKIT3A/24/WH — 2x4 Extruded Aluminum Surface Mount Kit, white finish, 1237.40mm × 608.20mm × 70mm) and 60459 (FK1A24GWH — 2x4 Flange Kit, 49.3" × 25.3")
• Suspension Kit: 62067 (SPKIT3A — Suspension Kit for Backlit Panels with 3.28ft / 1m cable length)
• Emergency Battery Backup & Bridge: 60888 (EMBB1A8WDC — Field-installable emergency battery back-up unit, min 790 lm / 850 nominal lm for 90 minutes) and 61682 (ACCPANELF3AEMBB-BRIDGE2 — Metal bridge for 2x2 and 2x4 panels)

Certifications & Rebates

• DLC Premium Listed: Qualifies for maximum commercial utility rebate incentives and is also qualified under the DLC Low Bay Category (denoted with "LB" on online listings). To confirm rebate eligibility with your local utility provider, visit designlights.org and search Model Number PANELF4BS050UNHD8SC724GWH (Item 65904).
• cETLus Listed: Certified to UL 1598 standards for damp locations.
• IC-Rated: Approved for direct contact with building insulation.
• FCC Compliant: Meets FCC electromagnetic interference requirements.
• RoHS Compliant: Engineered free of restricted hazardous substances.
• NLB Trusted: Verified 5-year warranty under the National Lighting Bureau Trusted Warranty Program.

Typical Applications

• Commercial & High-Voltage 347V Offices — Wide 120–347VAC input and selectable 30W/40W/50W output (3,750–6,250 lm) illuminate large open floor plans and conference rooms without step-down transformers.
• Schools & Educational Facilities — High 125 lm/W efficacy and 3500K/4000K/5000K CCT selection replace 4-lamp 32W T8 troffers with up to 66% energy savings.
• Hospitality Common Areas — Smooth 0–10V dimming compatible with Lutron, Leviton, and Legrand wall dimmers adapts to lobbies, banquet halls, and corridors.
• Retail Sales Floors & Low Bay Areas — Up to 6,250 lumens, DLC Low Bay qualification, and non-yellowing PMMA lenses provide bright, shadow-free merchandise lighting.
• Shallow Plenum & Insulated Ceilings — Low-profile 1.7" height with IC-Rated and damp-location certifications fits standard 2x4 ceiling grids up to +122°F (+50°C).

What's Included

• LEDVANCE Sylvania PANELF4BS050UNHD8SC724GWH (Item 65904) 2x4 Dual Selectable UNH 4B Backlit LED Flat Panel — White
• Installation and operation manual