RAB T34FA-2X2 Ultra-Economy Field-Adjustable LED Flat Panel — 40/30/20W Selectable — 3500K/4000K/5000K
Available in stock (100)
About this item
About this item
- Selectable Wattage & Output: Field-select 40W, 30W, or 20W at the fixture — delivers 2,279 to 4,328 lumens at up to 134.1 lm/W peak efficacy, replacing fluorescent 2×2 troffers. No rewiring required.
- CCT Selectability: Select 3500K, 4000K, or 5000K on-site via the onboard switch — one SKU covers all three color temperatures across all three wattage steps without re-ordering.
- Location & Environment Rating: UL Listed for damp locations and IC Rated for direct insulation contact — cold-start rated to −20°C (−4°F) with a maximum ambient of 40°C (104°F).
- DLC Standard Qualified: Qualifies for utility rebate programs in most U.S. markets.
- Controls Compatibility: 0-10V dimming driver included; factory-configured options add Lightcloud Blue, PIR, or Microwave occupancy sensors — no field wiring required.
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Description
Description
RAB T34FA-2X2 Ultra-Economy Field-Adjustable LED Flat Panel — 40W / 30W / 20W Selectable — White
The RAB T34FA-2X2 Ultra-Economy Field-Adjustable LED Flat Panel delivers up to 4,328 lumens at 40W / 5000K with field-selectable wattage (40W / 30W / 20W) and CCT (3500K / 4000K / 5000K) via onboard switches — no rewiring, no tools required. Factory default is 30W / 4000K. 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. Optional microwave occupancy sensor and battery backup version (T34FA-2X2/E) available separately.
Key Features
- Selectable Wattage: 40W / 30W / 20W — field-adjustable via onboard selector switch; factory default 30W
- Wattage Equivalency: Replaces 2-lamp F32T8 fluorescent troffer at 40W setting
- Maximum Lumen Output: 4,328 lm at 40W / 5000K
- Peak Efficacy: 134.1 lm/W at 20W / 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
- Controls (Optional): Microwave occupancy sensor optional; Lightcloud Blue (/LCB) and Lightcloud Enterprise (/LC) wireless network lighting controls available
Performance & Light Output
At 40W: 4,089 lm (3500K / 118.8 lm/W), 4,100 lm (4000K / 119.2 lm/W), 4,328 lm (5000K / 131.1 lm/W). At 30W: 3,259 lm (3500K / 120.3 lm/W), 3,411 lm (4000K / 133.1 lm/W), 3,271 lm (5000K / 123.4 lm/W). At 20W: 2,282 lm (3500K / 126.9 lm/W), 2,341 lm (4000K / 134.1 lm/W), 2,279 lm (5000K / 127.2 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-2X2 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. All values typical (±10%). Mercury and UV free. RoHS-compliant components.
| Watts | 120V | 208V | 240V | 277V |
|---|---|---|---|---|
| 20W | 0.17A | 0.10A | 0.09A | 0.08A |
| 30W | 0.25A | 0.15A | 0.13A | 0.11A |
| 40W | 0.34A | 0.20A | 0.17A | 0.15A |
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: 23¾″ L × 23¾″ W × 1½″ H. Weight: 5.4 lbs.
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
- Battery backup version — available as T34FA-2X2/E (sold separately)
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
- Offices and open-plan workspaces — 30W factory-default setting delivers 3,411 lm at 4000K for standard commercial illuminance levels
- 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 — 2×2 form factor drops into existing T-grid openings
- Temperature-variable or cold-adjacent spaces — cold-start rated to −20°C (−4°F) for dependable performance
What’s Included
- RAB T34FA-2X2 Ultra-Economy Field-Adjustable LED Flat Panel — White
- 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
What locations is the T34FA-2X2 rated for, and what environments should it avoid?
What locations is the T34FA-2X2 rated for, and what environments should it avoid?
How do I adjust the wattage and CCT on the T34FA-2X2?
How do I adjust the wattage and CCT on the T34FA-2X2?
What smart control and sensor options are available for the T34FA-2X2?
What smart control and sensor options are available for the T34FA-2X2?
Is the T34FA-2X2 IC Rated, and what does that mean for installation?
Is the T34FA-2X2 IC Rated, and what does that mean for installation?
Does the T34FA-2X2 qualify for utility rebates, and which wattage setting is right for my ceiling height?
Does the T34FA-2X2 qualify for utility rebates, and which wattage setting is right for my ceiling height?

