RAB SWISHFA2X4-D10 Field-Adjustable Center Basket LED Troffer — 49W / 39W / 29W Selectable — White

The RAB SWISHFA2X4-D10 delivers up to 5,882 lumens with field-selectable wattage (49W / 39W / 29W, factory default 39W) and color temperature (3500K / 4000K / 5000K, factory default 4000K) — all on a universal 120-277V input. Dimming is via 0-10V continuous driver, dims to 10%. UL Listed for damp locations. DLC 5.1 Qualified, eligible for utility rebates from DLC Member Utilities.

Key Features

• Selectable Wattage: 49W / 39W / 29W field-adjustable via integrated driver switch; factory default 39W
• Maximum Lumen Output: 5,882 lm at 49W / 4000K
• Peak Efficacy: 144 lm/W at 29W / 4000K
• CRI: 83–85
• Selectable CCT: 3500K / 4000K / 5000K field-adjustable via integrated driver switch; factory default 4000K
• Dimming: 0-10V continuous, dims to 10%; requires separate 0-10V DC dimming circuit
• Input Voltage: 120-277V, 50/60Hz — Class 2, Constant Current driver
• Location Rating: UL Listed for damp locations
• Operating Temperature: -20°C to 40°C (-4°F to 104°F)
• Certifications: UL Listed · FCC Compliant · RoHS Compliant · IESNA LM-79 & LM-80 · DLC 5.1 Qualified
• Lens: Frosted Polystyrene
• Rated Life: 100,000 hours (IES LM-80 / -21 calculations)
• Warranty: RAB 5-year limited — light output, driver performance, and paint finish

Performance & Light Output

At 49W: 5,702 lm (3500K / 119 lm/W), 5,882 lm (4000K / 137 lm/W), 5,806 lm (5000K / 125 lm/W). At 39W: 4,875 lm (3500K / 125 lm/W), 5,263 lm (4000K / 139 lm/W), 5,072 lm (5000K / 130 lm/W). At 29W: 3,484 lm (3500K / 133 lm/W), 3,677 lm (4000K / 144 lm/W), 3,624 lm (5000K / 138 lm/W). CRI ranges from 83 to 85 across all wattage and CCT combinations. Rated life 100,000 hours per IES LM-80 and -21 calculations.

Smart & Control Features

The SWISHFA2X4-D10 includes standard 0-10V dimming leads and is compatible with optional factory-configured control upgrades:

• 0-10V Dimming (standard): Dims to 10% via separate 0-10V DC circuit. Compatible with commercial building control and energy management systems.
• Microwave Sensor (/MVS): Optional factory-configured microwave occupancy sensor for automatic on/off and dimming control.
• Lightcloud (/LC): Optional factory-configured Lightcloud wireless control integration for networked lighting management.

Electrical

Class 2, Constant Current driver, 120-277V AC, 50/60Hz. Power Factor ≥99.69% at 120V. Surge protection DM 2kV / CM 4kV. 0-10V dimming leads included, dims to 10%; requires separate 0-10V DC dimming circuit. Mercury-free, UV-free, RoHS compliant.

Construction

Sheet metal housing with white finish, formulated for high durability and long-lasting color. Frosted Polystyrene lens for smooth, uniform light distribution. Metal reflector with high-reflectance white finish, optimized for uniform distribution. Dimensions: 47¾" L × 23¾" W × 4" D. Weight: 19.2 lbs.

Installation & Mounting

Recessed into standard T-grid ceiling. Surface and recessed mounting kits for drywall ceilings available separately:

• SMKPANEL2X4 — 2×4 Surface Mounting Kit, White
• RMKPANEL2X4 — 2×4 Recessed Mounting Kit, White

Certifications & Rebates

UL Listed for damp locations. FCC Compliant (Part 15). RoHS Compliant. IESNA LM-79 & LM-80 Tested. DLC 5.1 Qualified — DLC ID: P7UHVBH0. This product is eligible for rebates from DLC Member Utilities. Search P7UHVBH0 at designlights.org to verify rebate eligibility in your area. Smart Shift DLC ID: S-6GZ77F.

Typical Applications

• Commercial Office Spaces: Delivers uniform, glare-free illumination across large open-plan work environments where visual comfort and energy efficiency are priorities.
• Educational Facilities: Selectable CCT allows administrators to tune color temperature for classrooms, labs, or libraries without re-ordering fixtures.
• Healthcare Facilities: Damp location rating and high CRI (83–85) support clinical environments requiring clean, accurate illumination.
• Retail Environments: High-efficacy output (up to 144 lm/W) reduces operating costs while maintaining high-quality merchandise lighting.
• Corridors & Common Areas: Field-selectable wattage allows energy optimization for lower-demand spaces without stocking additional SKUs.

What's Included

• RAB SWISHFA2X4-D10 2×4 Center Basket LED Troffer
• Pre-installed driver assembly
• Integral T-grid mounting clips