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Manufacturer RAB Lighting
Mfg Catalog # SWISH2X4-39N/D10/E2
North Coast Part # 1679377


  • Emergency battery back-up included
  • Optional surface mount and dry wall frame kits available
  • Optional programmable occupancy sensor for multi-level lighting control
  • 0-10V dimming standard on all models
  • 100,000-hour LED lifespan
  • 5-Year, No-Compromise Warranty



  • Watts: 39W
  • Color Temp: 4000K (Neutral)
  • Lumens: 5,227
  • Efficacy: 134.7 lm/W
  • Color Accuracy: 84 CRI
  • L70 Lifespan: 100,000 hours
  • Type: Constant Current
  • 120V: 0.33A
  • 208V: 0.20A
  • 240V: 0.17A
  • 277V: 0.15A
  • Input Watts: 38.80W


  • Weight: 25.1 lbs


  • UL Listing: Suitable for damp locations
  • IESNA LM-79 & IESNA LM-80 Testing: RAB LED luminaires and LED components have been tested by an independent laboratory in accordance with IESNA LM-79 and LM-80.


  • Driver: Class 2, Constant Current, 100-277V, 50/60Hz, 120V: 0.33A, 208V: 0.20A, 240V: 0.17A, 277V: 0.15A, THD <15%, Power Factor >90%, 4kV surge protection
  • Dimming Driver: Driver includes dimming control wiring for 0-10V dimming systems. Requires separate 0-10V DC dimming circuit. Dims as low as 10%.
  • THD: 4.0% at 120V, 7.6% at 277V
  • Power Factor: 99.8% at 120V, 94.9% at 277V
  • Battery Backup: Emergency battery backup will operate the fixture for 90 minutes if power fails. Wired for 120-277V.


  • Ambient Temperature: Suitable for 40°C (104°F)
  • IC Rating: Suitable for direct contact with insulation
  • Housing: Die-formed, 20-gauge, cold-rolled steel
  • Mounting: Integral T-grid clips make installation easy and secure
  • Reflector: High-reflectance, powder-coated finish, optimized for uniform light distribution
  • Lens: Snap-in, frosted polycarbonate lens
  • Finish: Formulated for high durability and long-lasting color
  • Green Technology: Mercury and UV free. RoHS-compliant components.

LED Characteristics

  • LEDs: Long-life, high-efficacy surface mount LEDs
  • Lifespan: 100,000-hour LED lifespan based on IES LM-80 results and TM-21 calculations
  • Color Stability: LED color temperature is warrantied to shift no more than 200K in CCT over a 5-year period
  • Color Uniformity: RAB's range of CCT (Correlated Color Temperature) follows the guidelines of the American National Standard for Specifications for the Chromaticity of Solid State Lighting (SSL) Products, ANSI C78.377-2017.


  • Warranty: RAB warrants that our LED products will be free from defects in materials and workmanship for a period of five (5) years from the date of delivery to the end user, including coverage of light output, color stability, driver performance and fixture finish. RAB's warranty is subject to all terms and conditions found at
  • Patents: This design is protected by patents pending in US, Canada, China, Taiwan and Mexico
  • Replacement: Replaces (2) F32 T8 or (2) F28 T5
  • Buy American Act Compliance: RAB values USA manufacturing! Upon request, RAB may be able to manufacture this product to be compliant with the Buy American Act (BAA). Please contact customer service to request a quote for the product to be made BAA compliant.


UPC 01981348131
Item Long Description Troffer Center Basket 2X4 39W, 120-277V, Dimmable, 4000k, White
GTiN 00019813481319
Finish WHITE
Voltage 120/277 Volt
Applications INDOOR
Weight 25.1 lb
Wattage 39 Watt
Color Temperature 4000 K
Color Accuracy 84 CRI
Lumens 5227 lm
Family Brand Name Rab Design Lighting
Lens Material Frosted Polycarbonate
Amperage 0.15 Amp
Average Rated Life 100,000 hr
Input Wattage 38.80 W
Power Factor 94.9% At 277V,99.8% At 120V
Efficacy 134.7 LPW
Total Harmonic Distortion 4.0% At 120V,7.6% At 277V
Color White

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