Compliance | |
UL Listed | Suitable for damp locations |
DLC Listed | This product is on the Design Lights Consortium (DLC) Qualified Products List and is eligible for rebates from DLC Member Utilities. Designed to meet DLC 5.1 requirements.DLC Product Code: P1QOR0EI |
Performance | |
Lifespan | 100,000-Hour LED lifespan based on IES LM-80 results and TM-21 calculations |
Wattage Equivalency | Equivalent to (3) F32T8 |
LED Characteristics | |
Color Stability | LED Color temperature is warrantied to shift no more than 200K in color temperature over a 5-year period |
Color Uniformity | RAB's range of 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. |
Electrical | |
Driver | Constant current, Class 2, 120-277V, 50/60 Hz, 120V: 0.38A, 208V: 0.26A, 240V: 0.23A, 277V: 0.17A, 2kV surge protection |
Dimming Driver | Driver includes dimming control wiring for 0-10V dimming systems. Requires separate 0-10V DC dimming circuit. Dims down to 10%. |
THD | 3.46% at 120V, 5.61% at 277V |
Power Factor | 99.7% at 120V, 96.5% at 277V |
Minimum Starting Temperature | 0° to 40°C |
Battery Backup | Battery backup will operate the fixture for 90 minutes if power fails. Wired for 120-277V. |
Battery Backup Light Loss Factor | 0.23 |
Construction | |
Housing | Die-formed 22 gauge, cold-rolled, post-painted steel. Post painting improves durability of the finish and eliminates the sharp edges making handling and installation safer. |
Lens | Acrylic lens with diffusion for enhanced optical performance |
Reflector | Aluminum with high-reflectance (91%) powder coat applied post production for a more durable finish |
Finish | Formulated for high durability and long-lasting color |
Green Technology | Mercury and UV free. RoHS-compliant components. |
Installation | |
Mounting | Surface mount. Can be mounted with chains or v-hooks by others. |
GUS4-50W/D10/E2
RAB Lighting
$353.00
- SKU:
- GUS4-50W/D10/E2
- UPC:
- 19813515564
- Availability:
- Usually ships within 1 week.
- Weight:
- 17.90 LBS
- Shipping:
- Calculated at Checkout
- Kelvin:
- 5000K
- Size/Length:
- 4'
- Sell Sheet:
- Sell Sheet
- Spec Sheet:
- Spec Sheet
- Instructions:
- Instructions
- Watts:
- 50W
- Color Temp:
- 5000K (Cool)
- Lumens:
- 6,349 lm
- Efficacy:
- 137.1 lm/W
- Color Accuracy:
- 84 CRI
- L70:
- 100,000 Hours
- Type:
- Constant Current
- V120:
- 0.38A
- V208:
- 0.26A
- V240:
- 0.23A
- V277:
- 0.17A
- Input Watts:
- 46.3W
Reviews
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.6
Out of 5.0

Overall Rating
90%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
April 11, 2025 by Brandon S. (United States)
“Great price and great website. Thank you”
April 10, 2025 by Michael B. (United States)
“So far, so good but I haven't gotten the product as of yet.”
April 10, 2025 by Lawrence R. (United States)
“easy online order good price”