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Overview

RAB H17XXLB Field Adjustable UFO High Bay - 500W Black Finish 120-277V

The RAB H17XXLB combines contemporary black styling with maximum-intensity, field-adjustable performance for extra-large warehouses, manufacturing facilities, and distribution centers. Featuring selectable wattages of 500/400/300W and adjustable color temperatures, this high bay delivers up to 79,000 lumens with exceptional efficiency.

Key Features

  • Selectable Wattage: 500/400/300W field-adjustable for precise energy control
  • Adjustable CCT: 3000K/4000K/5000K selectable for optimal color rendering
  • Maximum Performance: Up to 79,000 lumens with 178 Lm/W efficacy
  • Voltage: 120-277V for standard commercial installations
  • Wet Location Rated: IP65 protection for harsh environments
  • Sensor Ready: Expansion port for advanced controls
  • DLC Premium Listed: Top-tier rebate eligibility
  • 5-Year Warranty: Comprehensive performance guarantee

Construction & Performance

  • Housing: Heavy-duty die-cast aluminum in sleek black finish for superior heat dissipation
  • Lens: Impact-resistant polycarbonate
  • Reflector: Aluminum reflector and wireguard available
  • Cold Weather Starting: Operates to -40°C (-40°F)
  • Maximum Ambient Temperature: Up to 50°C (122°F)
  • Mounting: Heavy-duty mounting with pendant and surface options
  • Dimming: Integrated 0-10V dimming capability

Compliance & Certifications

  • Green Technology: Mercury and UV free, RoHS-compliant components
  • UL Listed: Wet location approved
  • IESNA LM-79 & LM-80 Tested: Independent verification
  • IP65 Rating: Full environmental protection
  • DLC Premium: Maximum energy efficiency certification

The H17XXLB's modern black finish and 79,000-lumen output make it perfect for contemporary large-scale industrial facilities with 35+ foot ceilings.

  • On-Site Customization: Select from 300W, 400W, or 500W and 3000K, 4000K, or 5000K color temperatures to meet specific requirements.
  • Exceptional Brightness: Delivers a powerful 79,000 lumens for maximum visibility in large-scale warehouses, factories, and convention centers.
  • Robust Construction: Features a precision die-cast aluminum housing in a black finish with an IP65 rating for superior durability in wet locations.
  • Flexible Power & Control: Operates on 120-277V and includes 0-10V dimming for versatile installation and energy management.
  • Future-Proof & Reliable: Engineered with a 100,000-hour lifespan, an expansion port for sensors, and a 5-year warranty.

Technical Resources

Specifications

Size:
16.56'' L X 16.56'' W X 12.06'' H
Materials:
Aluminum
Total Wattage:
500
Lamp Color:
3000K, 4000K, 5000K, Selectable CCT
Color Rendering:
84
Delivered Lumens:
79000
Lamp Life:
100,000 Hours
LED Wall Pack, 19000 Lumens, 120W, 30K|40K|50K, On/Off Photocell, 120-277V - Bees Lighting

RAB Lighting

RAB Lighting is a leading manufacturer of professional-grade LED lighting, with a reputation built on innovation, performance, and an unwavering commitment to quality. For over 75 years, RAB has engineered durable, energy-efficient fixtures for commercial and industrial applications. From powerful floodlights to high-performance high bays, RAB is the definitive choice for contractors, specifiers, and facility managers who demand superior and reliable lighting solutions.

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