RAB T17FA-1X4 LED Troffer — 1×4 — 40/30/20W Selectable — 3500K/4000K/5000K — White
Available in stock (100)
About this item
About this item
- Selectable Wattage & Output: Field-select 40W, 30W, or 20W at the fixture — delivers 2,989 to 5,142 lumens at 4000K, up to 147.2 lm/W peak efficacy. Ships at 40W default. No rewiring required.
- 3500K/4000K/5000K CCT Selectable: Field-select color temperature at the fixture without tools — one SKU covers warm-to-daylight tuning for any 1×4 commercial application. Ships at 4000K default. Complies with ANSI C78.377-2017.
- Battery Backup Option: Need emergency lighting? Order the T17FA-1X4/E — same fixture with factory-installed battery backup providing 90 minutes of emergency illumination at 120V or 277V.
- DLC Listed: DLC ID S-5M6KDV — eligible for rebates from DLC Member Utilities. Visit designlights.org and search S-5M6KDV to verify eligibility with your utility provider.
- Damp Location Rated: UL Listed for damp locations — suitable for restrooms, stairwells, covered walkways, and standard office and classroom environments. 5-year limited warranty and L70 100,000-hour rated life.
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Description
Description
RAB T17FA-1X4 LED Troffer — 1×4 — 40/30/20W Selectable — 3500K/4000K/5000K — White
The RAB T17FA-1X4 is a 1×4 field-adjustable LED troffer with field-selectable wattage (40W, 30W, or 20W) and field-selectable color temperature (3500K, 4000K, or 5000K). Maximum output is 5,142 lumens at 40W / 4000K. Supports 0–10V dimming (10–100%), operates on 120–277V, and is rated for damp locations. Available with factory-installed battery backup as the T17FA-1X4/E (90 min, sold separately). DLC Listed. Backed by a 5-year limited warranty. Ships at 40W and 4000K default.
Key Features
- Selectable Wattage: Field-selectable between 40W, 30W, and 20W at the fixture. Ships at 40W default. No rewiring required.
- Wattage Equivalency: Replaces fluorescent troffers with significant energy savings across all three wattage settings.
- Maximum Lumen Output: 5,142 lumens at 40W / 4000K.
- Selectable CCT: 3500K, 4000K (default), or 5000K — field-adjustable at the fixture. Complies with ANSI C78.377-2017.
- CRI: 81–85 (varies by CCT and wattage setting).
- Dimming: 0–10V continuous dimming, range 10–100%. Requires separate 0–10V DC dimming circuit. Driver: Class 2, Class P, Constant Current.
- Voltage: 120–277V, 50/60Hz. Surge protection: Ring-wave 2.5kV.
- Location Rating: UL Listed — Damp Location Rated.
- IP Rating: IP20.
- Operating Temperature: −20°C to 45°C (−4°F to 113°F).
- Certifications: UL Listed — DLC Listed — IESNA LM-79 & LM-80 tested — RoHS. Mercury-free. UV-free.
- Rated Life: 100,000 hours (L70, IES LM-80 / TM-21).
- Warranty: 5-year limited warranty covering light output, driver performance, and paint finish.
- Battery Backup Option: Available with factory-installed battery backup as the T17FA-1X4/E — 90 minutes at 120V or 277V. See the /E listing.
Performance & Light Output
Lumen output per wattage and CCT per spec sheet. Input watts and efficacy shown as measured.
| Wattage | CCT | Input W | Lumens | Efficacy (lm/W) | CRI |
|---|---|---|---|---|---|
| 40W | 3500K | 38.7 | 4,705 lm | 121.6 | 84 |
| 40W | 4000K | 36.6 | 5,142 lm | 140.5 | 84 |
| 40W | 5000K | 38.6 | 4,930 lm | 127.7 | 81 |
| 30W | 3500K | 30.3 | 3,863 lm | 127.5 | 84 |
| 30W | 4000K | 28.9 | 4,168 lm | 144.2 | 84 |
| 30W | 5000K | 30.2 | 4,046 lm | 134.0 | 81 |
| 20W | 3500K | 21.1 | 2,812 lm | 133.3 | 85 |
| 20W | 4000K | 20.3 | 2,989 lm | 147.2 | 84 |
| 20W | 5000K | 21.1 | 2,959 lm | 140.2 | 82 |
Rated life: L70 100,000 hours (IES LM-80 / TM-21). Tested per IESNA LM-79 & LM-80. Emergency Light Loss Factor (LLF): 40W — 0.31 · 30W — 0.38 · 20W — 0.50.
Electrical
Driver: Class 2, Class P, Constant Current. Input voltage: 120–277V, 50/60Hz. Power factor: 99.4% at 120V · 96.7% at 277V. THD: 7.8% at 120V · 3.9% at 277V. Surge protection: Ring-wave 2.5kV. Dimming: 0–10V continuous, range 10–100% — requires separate 0–10V DC dimming circuit. Battery backup available as the T17FA-1X4/E (90 min at 120V or 277V; min. starting temp: 0°C / 32°F). Mercury-free. UV-free. RoHS-compliant components.
| Wattage | 120V | 208V | 240V | 277V |
|---|---|---|---|---|
| 40W | 0.37A | 0.22A | 0.19A | 0.17A |
| 30W | 0.28A | 0.17A | 0.15A | 0.13A |
| 20W | 0.19A | 0.12A | 0.10A | 0.09A |
Construction
Housing: Aluminum frame and cold rolled steel back housing.
Lens: Frosted Polystyrene (PS).
Reflector: Powder-coated sheet metal.
Finish: White. Formulated for high durability and long-lasting color.
Environmental & Safety: UL Listed — Damp Location Rated — IP20.
Dimensions: 47¾″ L × 11¹⁵⁄₁₆″ W × 1⅜″ H. Net weight: 4.19 lbs.
Installation & Mounting
Standard Mounting: Recessed into T-grid ceiling.
Optional Mounting Accessories (Sold Separately):
- RMKPANEL1X4 — LPANEL 1×4 Recessed Mounting Kit, White (for drywall ceilings)
- SMKEZPAN1X4 — EZPAN 1×4 Surface Mounting Kit, White
Certifications & Rebates
- UL Listed — Damp Location Rated
- DLC Listed — DLC ID: S-5M6KDV. Eligible for rebates from DLC Member Utilities. To verify rebate eligibility with your utility provider, visit designlights.org and search S-5M6KDV.
- IESNA LM-79 & LM-80 Tested
- RoHS Compliant
Typical Applications
- Corporate offices and open-plan workspaces — field-selectable wattage and CCT allow on-site tuning between 20W and 40W and 3500K to 5000K without re-ordering
- Government and institutional facilities — DLC Listed qualification supports utility rebate eligibility; battery backup available as T17FA-1X4/E for egress lighting compliance
- Healthcare and clinical environments — damp location rated with CRI 81–85 for consistent illumination in exam rooms, corridors, and restrooms
- Educational facilities — 1×4 format fits standard T-grid ceiling systems; selectable CCT supports varied classroom lighting needs
- Fluorescent retrofit projects — one SKU covers multiple wattage and CCT specs; 5-year warranty and L70 100,000-hour rated life
What’s Included
- RAB T17FA-1X4 LED troffer fixture — 1×4 — White
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 are the lumen output values at each wattage and CCT for the T17FA-1X4?
What are the lumen output values at each wattage and CCT for the T17FA-1X4?
How do I adjust the wattage and CCT on the T17FA-1X4?
How do I adjust the wattage and CCT on the T17FA-1X4?
Is there a version of the T17FA-1X4 with battery backup?
Is there a version of the T17FA-1X4 with battery backup?
What is the dimming range and what dimming circuit does the T17FA-1X4 require?
What is the dimming range and what dimming circuit does the T17FA-1X4 require?
Is the T17FA-1X4 DLC Listed and what mounting options are available?
Is the T17FA-1X4 DLC Listed and what mounting options are available?

