Classic Series Overview

The Classic Series LED high bay combines the superior performance you’ve come to expect from Flex Lighting Solutions with the classic look of a traditional round high bay. Classic delivers 20,000 lumens with as few as 137 watts, a 70% energy reduction versus a 400W metal halide fixture. Classic also has multiple reflector options, making it a perfect 1-for-1 replacement in high and low bay applications where a traditional look is desired.

Available with standard reflectors and also clear refractors at 45°and 120° with or without covers. The Classic Series provides precision-engineered and optimized optics for open areas, as well as uniform vertical illumination in narrow aisles and racking with a 45°aluminum reflector.

Flex Classic Series

Specification

Fixture Performance

Premium
Lumen
Output1
Watts Reflector Efficacy1
20549 137 None 150
19094 137 45° Reflector 1 139
20074 137 120° Reflector 147
19410 137 45° Clear
Refractor
142
19547 137 120° Clear
Refractor
143
18082 137 45° Clear w/
Cover
132
Standard
Lumen
Output1
Watts Reflector Efficacy1
19845 145 None 136
19138 145 45° Reflector 1 132
19686 145 120° Reflector 135
18797 145 45° Clear
Refractor
129
18809 145 120° Clear
Refractor
129
17836 145 45° Clear w/
Cover
123

1 Typical at 277V (LV) and 77°F (25°C), 5000CCT2, Typical CRI80+. +/- 10%, 4000CCT multiplier .986

Power & Control

  • Power input: 120-480V (50/60Hz), Typical, depending on model
  • Dimming: 0-10V dimming standard. Capable of dimming down to 10%.
  • Occupancy Sensors: Special Order Only.
  • Emergency Battery Backup: Special Order Only.
  • Surge Protection: 6Kv Standard, 10Kv available.

Fixture

  • Environment: Dry/Damp. For interior applications only.
  • Heat Sink: Extruded aluminum heat sinks and copper heat pipes provide optimal thermal management, decreasing LED junction temperature and ensuring long life.
  • Mounting: ¾” STEM and HOOK options available.
  • LENS: UV stable clear Polycarbonate. Flame Rating: UL 94-5VA
  • LED: 4000K and 5000K (standard).
  • Warranty: 5-year standard, Up to 10-year optional warranty.

Ambient Temperature

  • -20°C(-4°F) to 50°C (122°F)

Listings & Certifications

  • ETL listed (UL 1598)
  • DesignLightsTM Consortium Premium (Pending)

Dimensions

Model Width Height Weight
CL1 Base 11.22 (28.5) 13 (33.02) 20 (9)
45° Al Reflector 13.5 (34.29) 6.5 (16.51) 1 (.45)
120° Al Reflector 17 (43.18) 5 (12.74) 1 (.45)
45° PC Refractor 16 (40.64) 10 (25.4) 1 (.45)
120° PC Refractor 17 (43.18) 5 (12.74) 1 (.45)
45° and 120° PC Refractor Cover 16 (40.64) 1.5 (3.81) 1 (.05)

Power Factor

  • Greater than 0.9 (0.96–0.99 typical)

Total Harmonic Distortion

  • Less than 20%, 10% typical

Projected Lumen Maintenance (tm–21) from Initial Lumens

Temperature 5 Year 10 Year
25°C 89% 80%
50°C 87% 76%

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