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Overview

Keystone Technologies delivers exceptional versatility with the KT-RHLED400PS-18C-8CSD-VDIM-P, an 18-inch round LED high bay engineered for demanding commercial and industrial environments. This wet location rated fixture combines field-selectable wattage and color temperature in one robust package.

Flexible Power and Color Options

Adjust output between 400W, 320W, or 240W to match mounting heights from 40+ feet down to lower applications. Switch CCT between 4000K neutral white and 5000K daylight using integrated Keystone Color Select technology. Peak performance delivers 60,000 lumens at 400W/5000K with efficacy up to 160 lm/W.

Built for Harsh Conditions

  • IP65 wet location rating protects against moisture and dust intrusion
  • High temperature rated for ambient conditions from -40°F to 140°F
  • Powder-coated aluminum housing with polycarbonate lens ensures durability
  • Ribbed lens design reduces glare while maintaining high light output
  • Built-in 6kV surge protection safeguards investment

Smart Controls and Installation

Powered by Keystone's 0-10V dimming LED driver for smooth dimming down to 10%. SmartPort receptacle accepts sensors and wireless controls for automated operation. J-Hook mounting accessory and 6-foot cord with dimming wires included for fast installation in warehouses, manufacturing facilities, distribution centers, and cold storage applications.

Premium Certifications

DLC Premium listed for maximum utility rebate eligibility. UL compliant. Backed by Keystone's 10-year limited warranty with L70 >100,000 hours at 25°C fixture ambient temperature.

Technical Resources

Specifications

Size:
17.7'' L X 17.7'' W X 15.8'' H
Materials:
Aluminum
Total Wattage:
400
Lamp Color:
4000K, 5000K, Selectable CCT
Color Rendering:
80
Delivered Lumens:
59000
Lamp Life:
100,000 Hours
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Keystone Technologies

For over 75 years, Keystone Technologies has been a leader in the lighting industry, operating under a simple yet powerful philosophy: "Light Made Easy." The brand is dedicated to creating high-quality, reliable, and user-friendly lighting solutions for commercial and industrial applications. With a massive portfolio of lamps, fixtures, and controls, Keystone is the trusted, go-to partner for contractors and lighting professionals seeking performance and simplicity.

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Frequently Asked Questions