RAB T34FA-2X4/E Ultra-Economy Field-Adjustable LED Flat Panel — 50/40/30W Selectable — 3500K/4000K/5000K — Battery Backup
Available in stock (100)
About this item
About this item
- Selectable Wattage & Output: Field-select 50W, 40W, or 30W via onboard switch — delivers 3,833 to 6,027 lumens at up to 139.0 lm/W peak efficacy, replacing 2-lamp F32T8 fluorescent troffers. Factory default is 40W / 4000K. No rewiring required.
- Emergency Battery Backup: Factory-installed battery backup maintains egress illumination during power outages — no separate emergency driver, conduit, or fixture required. Meets NFPA 101 and IBC emergency lighting requirements in a single troffer form factor.
- IC & Damp Rated: IC Rated for direct insulation contact — no clearance required. UL Listed for damp locations, broadening installation flexibility in moisture-prone areas including restrooms and stairwells.
- DLC Premium & CCEA Compliant: Qualifies for the highest tier of utility rebate programs — DLC Premium listed. CCEA Compliant for qualifying institutional and government procurement.
- Field-Selectable CCT: Dial between 3500K, 4000K, and 5000K via onboard switch — one SKU covers warm-neutral to cool-white specs across offices, classrooms, and healthcare spaces without reordering.
Description
Description
RAB T34FA-2X4/E Ultra-Economy Field-Adjustable LED Flat Panel — 50W / 40W / 30W Selectable — Battery Backup — White
The RAB T34FA-2X4/E Ultra-Economy Field-Adjustable LED Flat Panel delivers up to 6,027 lumens at 50W / 4000K with field-selectable wattage (50W / 40W / 30W) and CCT (3500K / 4000K / 5000K) via onboard switches — no rewiring, no tools required. Factory default is 40W / 4000K. Includes factory-installed emergency battery backup for egress illumination per NFPA 101 and IBC requirements. Supports 0–10V dimming, dims to 10%. UL Listed for damp locations. IC Rated for direct insulation contact. DLC Premium and DLC Standard listed. CCEA Compliant. Replaces 2-lamp F32T8 fluorescent troffers.
Key Features
- Selectable Wattage: 50W / 40W / 30W — field-adjustable via onboard selector switch; factory default 40W
- Wattage Equivalency: Replaces 2-lamp F32T8 fluorescent troffer at 50W setting
- Maximum Lumen Output: 6,027 lm at 50W / 4000K
- Peak Efficacy: 139.0 lm/W at 30W / 4000K
- CRI: 81–84 across all wattage and CCT configurations
- Selectable CCT: 3500K / 4000K / 5000K — field-adjustable via onboard selector switch; factory default 4000K
- Lens & Optics: Frosted Polystyrene (PS) lens; aluminum frame and iron back housing
- Dimming: 0–10V continuous dimming; dims to 10%; requires separate 0–10V DC dimming circuit
- Voltage: 120–277V, 50/60Hz; Constant Current, Class 2, Class P driver
- Location Rating: UL Listed for damp locations; IC Rated for direct insulation contact
- Operating Temperature: −20°C (−4°F) minimum to 40°C (104°F) maximum ambient
- Certifications: UL Listed (damp), DLC Premium and DLC Standard listed, CCEA Compliant, IESNA LM-79 & LM-80 tested
- Rated Life: 50,000 hours based on IES LM-80 results and TM-21 calculations
- Warranty: 5-year limited — covers light output, driver performance, and paint finish
- Battery Backup: Factory-installed emergency battery backup — maintains egress illumination during power outages per NFPA 101 and IBC requirements; no separate emergency driver or fixture required
Performance & Light Output
At 50W: 5,702 lm (3500K / 120.3 lm/W), 6,027 lm (4000K / 135.1 lm/W), 5,817 lm (5000K / 123.5 lm/W). At 40W: 4,768 lm (3500K / 124.8 lm/W), 4,989 lm (4000K / 136.3 lm/W), 4,914 lm (5000K / 128.2 lm/W). At 30W: 3,833 lm (3500K / 128.9 lm/W), 3,943 lm (4000K / 139.0 lm/W), 3,911 lm (5000K / 132.0 lm/W). CRI 81–84 across all wattage and CCT configurations. Rated life 50,000 hours (L70) per IES LM-80 / TM-21.
Smart & Control Features
The T34FA-2X4/E supports 0–10V dimming for integration with standard commercial dimming systems and building automation controllers. An optional microwave occupancy sensor (MVS) or passive infrared (PIR) sensor is available for field or factory installation.
- Lightcloud Blue (/LCB): Bluetooth Mesh wireless control — ON/OFF, dimming, color tuning, schedules, and SmartShift. No gateway or hub required. Download the Lightcloud Blue mobile app for iOS or Android.
- Lightcloud Enterprise (/LC): Secure cellular and Zigbee mesh network with remote commissioning, demand response, and BACnet integration. Requires a gateway or hub sold separately. Download the Lightcloud Enterprise mobile app for iOS or Android.
DLC system: N1XMLOEATBA (Interior); NHCZ2BIA17L (Exterior). Learn more at lightcloud.com.
Electrical
Constant Current, Class 2, Class P driver. 120–277V, 50/60Hz. Supports 0–10V dimming; dims to 10%. Requires separate 0–10V DC dimming circuit. Mercury and UV free. RoHS-compliant components.
| Watts | 120V | 208V | 240V | 277V |
|---|---|---|---|---|
| 30W | 0.25A | 0.14A | 0.13A | 0.11A |
| 40W | 0.34A | 0.20A | 0.17A | 0.15A |
| 50W | 0.42A | 0.24A | 0.21A | 0.18A |
Construction
Housing & Thermal: Aluminum frame and iron back housing. Maximum ambient temperature 40°C (104°F). Cold weather starting rated to −20°C (−4°F).
Lens & Optics: Frosted Polystyrene (PS) lens.
Finish: Formulated for high durability and long-lasting color. Green Technology construction — mercury and UV free, RoHS-compliant.
Environmental & Safety: IC Rated — suitable for direct contact with insulation, no clearance required. UL Listed for damp locations.
Dimensions & Weight: 47¾″ L × 23¾″ W × 1½″ H. Weight: 10.0 lbs (fixture only; battery module adds weight).
Installation & Mounting
Standard Hardware: Recessed into standard T-grid ceiling.
Mounting Options: Surface mount and recessed drywall ceiling kits available separately. Wattage and CCT selector switches are field-adjustable via onboard switches — set before or after installation, no tools required.
Wiring: Driver includes dimming control wiring for 0–10V dimming systems. Requires separate 0–10V DC dimming circuit.
Accessories:
- Surface mount kit — for surface ceiling installations
- Recessed drywall ceiling kit — for non-T-grid drywall ceiling installations
- Microwave occupancy sensor (MVS) — optional, factory or field-installed
Certifications & Rebates
- UL Listed — damp locations
- DLC Premium & DLC Standard Listed — qualifies for utility rebate programs. To verify rebate eligibility with your utility provider, visit designlights.org and search DLC Family Code BBBFYY.
- CCEA Compliant
- IESNA LM-79 & LM-80 Tested — tested per IESNA standards by an independent laboratory
- IC Rated — suitable for direct insulation contact
Typical Applications
- Egress corridors and stairwells — factory-installed battery backup maintains illumination during power outages per NFPA 101 and IBC egress requirements
- Large open-plan offices and conference rooms — 50W setting delivers 6,027 lm at 4000K for high-demand, wide-area illumination in 2×4 grid ceilings
- Classrooms and educational facilities — selectable CCT (3500K/4000K/5000K) allows a single SKU to meet varied project specs without reordering
- Healthcare facilities and exam rooms — IC Rated and damp-rated construction supports insulated ceiling installations and moisture-prone areas
- Government and institutional buildings — CCEA Compliant for qualifying procurement programs
- Retrofit of 2-lamp F32T8 fluorescent troffers — 2×4 form factor drops into existing T-grid openings
What’s Included
- RAB T34FA-2X4/E Ultra-Economy Field-Adjustable LED Flat Panel — White
- Factory-installed emergency battery backup module
- Mounting hardware for T-grid installation
Specifications
Specifications
Dimensions
Style & Materials
Characteristics & Features
Electrical Information
Item Details
Warranty & Certifications
Shipping & Returns
Shipping: Enjoy free standard shipping on most orders over $99. Exclusions apply for oversized & commercial items. We ship to the contiguous 48 United States.
Returns: We offer a 60-day return window for most items. Products must be in their original, unused condition with all packaging. Exclusions: Special orders, clearance, and custom items.
Frequently Asked Questions
Is the T34FA-2X4/E suitable for insulated ceilings or damp locations?
Is the T34FA-2X4/E suitable for insulated ceilings or damp locations?
How do I adjust the wattage and CCT on the T34FA-2X4/E?
How do I adjust the wattage and CCT on the T34FA-2X4/E?
What wireless controls and occupancy sensors are compatible with the T34FA-2X4/E?
What wireless controls and occupancy sensors are compatible with the T34FA-2X4/E?
How does the battery backup work and what code requirements does it meet?
How does the battery backup work and what code requirements does it meet?
Does the T34FA-2X4/E qualify for utility rebates, and what ceiling height is it designed for?
Does the T34FA-2X4/E qualify for utility rebates, and what ceiling height is it designed for?
