RAB SWISHFA1X4-D10-E2 Field-Adjustable Center Basket LED Troffer — 39W / 29W / 19W Selectable — Battery Backup — White

The RAB SWISHFA1X4-D10-E2 delivers up to 5,668 lumens with field-selectable wattage (39W / 29W / 19W, factory default 29W) 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%. Includes integrated battery backup rated for 90 minutes of emergency operation. UL Listed for dry and damp locations. DLC 5.1 Qualified, eligible for utility rebates from DLC Member Utilities.

Key Features

• Selectable Wattage: 39W / 29W / 19W field-adjustable via integrated driver switch; factory default 29W
• Maximum Lumen Output: 5,668 lm at 39W / 4000K
• Peak Efficacy: 166.0 lm/W at 19W / 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
• Battery Backup: Integrated emergency battery operates LED for 90 minutes upon power failure; wired for 120-277V
• Location Rating: UL Listed for dry and 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 39W: 5,292 lm (3500K / 145.4 lm/W), 5,668 lm (4000K / 161.5 lm/W), 5,442 lm (5000K / 149.5 lm/W). At 29W: 4,300 lm (3500K / 151.9 lm/W), 4,511 lm (4000K / 164.6 lm/W), 4,392 lm (5000K / 155.2 lm/W). At 19W: 2,916 lm (3500K / 156.8 lm/W), 3,022 lm (4000K / 166.0 lm/W), 2,980 lm (5000K / 160.2 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 SWISHFA1X4-D10-E2 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 99.2% at 120V, 96.4% at 277V. THD 11.9% at 120V, 7.84% at 277V. 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 × 11 15/16" W × 3" D. Weight: 11.4 lbs (with battery backup).

Installation & Mounting

Recessed into standard T-grid ceiling. Battery backup unit is integrated — no separate housing required. Surface and recessed mounting kits for drywall ceilings available separately:

• SMKPANEL1X4 — 1×4 Surface Mounting Kit, White
• RMKPANEL1X4 — 1×4 Recessed Mounting Kit, White

Certifications & Rebates

UL Listed for dry and damp locations. FCC Compliant (Part 15). RoHS Compliant. IESNA LM-79 & LM-80 Tested. DLC 5.1 Qualified — this product is eligible for rebates from DLC Member Utilities. Visit designlights.org and search for SWISHFA1X4 to verify eligibility and rebate amounts in your area. Smart Shift DLC ID: S-73GYQS.

Typical Applications

• Commercial Office Spaces: Slim 1×4 form factor with integrated emergency backup meets egress lighting requirements in private offices and open-plan workspaces.
• Educational Facilities: Selectable CCT and 90-minute battery backup support classroom and corridor safety lighting without separate emergency fixtures.
• Healthcare Facilities: Dry and damp location rating, high CRI (83–85), and emergency operation capability support clinical environments with code-compliant backup illumination.
• Retail Environments: 1×4 footprint with integrated battery backup simplifies emergency lighting compliance in narrow-bay or column-spaced grid ceiling layouts.
• Corridors & Common Areas: 90-minute emergency runtime meets standard egress lighting code requirements without additional fixtures or wiring.

What's Included

• RAB SWISHFA1X4-D10-E2 1×4 Center Basket LED Troffer with Integrated Battery Backup
• Pre-installed driver and battery backup assembly
• Integral T-grid mounting clips