Keystone KT-RHLED400PS Color & Power Select High Temp UFO LED High Bay — 400/320/240W Selectable — 4000K/5000K — Black

The Keystone KT-RHLED400PS-18C-8CSD-VDIM-P/TAA is a commercial round UFO LED high bay engineered to deliver up to 59,000 lumens with field-adjustable 400W / 320W / 240W Power Select settings and switchable 4000K / 5000K Color Select color temperatures. Operating on 120-277V electrical systems with 0–10V continuous dimming, this high power luminaire is optimized for applications with 40'+ mounting heights and related higher ambient temperatures. Built with an IP65 wet location rating and cULus Listed, it is qualified for commercial utility rebates under DLC Premium standards and features an advanced thermal design with a large spacer between the LED driver and the diecast heat sink.

Key Features

• Selectable Wattage: 400W / 320W / 240W — field-adjustable via built-in Power Select technology
• Maximum Lumen Output: 59,000 lm at 400W (5000K setting)
• Peak Efficacy: 160 lm/W for high-efficiency commercial operation
• CRI: >80 color rendering across all settings
• Selectable CCT: 4000K / 5000K — field-adjustable via built-in Color Select technology
• Lens & Optics: Built-in ribbed polycarbonate lens to reduce glare
• Dimming: 0–10V continuous dimming standard
• Voltage: 120-277V AC LED driver
• Location Rating: cULus Listed for wet locations; IP65 rated
• Operating Temperature: −40°F (−40°C) to 140°F (60°C) ambient fixture temperature
• Certifications: DLC Premium, cULus Listed, TAA Compliant
• Rated Life: L70 >100,000 hours at 77°F (25°C) ambient fixture temperature
• Warranty: 10-year limited warranty — Keystone Technologies
• Sensor Compatibility: Designed with Keystone's SmartPort receptacle for adding sensors and controls

Performance & Light Output

At 400W: 58,500 lm (4000K / 146 lm/W), 59,000 lm (5000K / 147 lm/W).

At 320W: 49,500 lm (4000K / 155 lm/W), 50,000 lm (5000K / 156 lm/W).

At 240W: 38,000 lm (4000K / 158 lm/W), 38,500 lm (5000K / 160 lm/W).

CRI >80 across all configurations. Rated life 100,000 hours (L70).

Smart & Control Features

The KT-RHLED400PS features an integrated SmartPort control receptacle supporting modular sensing and automated facility lighting control:

• 0–10V Continuous Dimming (Standard): Standard dimming control compatible with commercial 0–10V dimmers.
• Keystone SmartPort Compatibility (Accessory): Accepts field-installable screw-in microwave and PIR sensors via the integrated receptacle.
• SmartLoop Wireless Mesh (Accessory): Compatible with SmartLoop Bluetooth mesh controllers for wireless group control, automated scheduling, and occupancy/vacancy sensing.

Compatible plug-and-play sensors include the KTS-MW3-12V-PKO and KTS-PIR3-12V-PKO/G2 — sold separately. Field sensor adjustments can be managed using an optional handheld wireless remote (catalog # KTS-MW3-REMOTECONTROL, sold separately).

Electrical

Powered by a 0-10V dimming LED driver operating on 120-277V AC. Features low optical flicker and built-in 6kV surge protection. Factory-equipped with a 6-foot cord for input and dimming wires.

Construction

Housing & Thermal: Powder-coated aluminum housing engineered with a large spacer between the LED driver and the diecast heat sink to optimize thermal performance. This design preserves lumen maintenance across the rated lifespan, specifically engineered to withstand elevated ambient temperatures up to 140°F (60°C).

Lens & Optics: Features a fixed ribbed polycarbonate lens designed to reduce glare across commercial and industrial spaces.

Finish: Powder-coated Black.

Environmental Sealing: IP65 rated and cULus Listed for wet locations. Ambient operating temperature range: −40°F (−40°C) to 140°F (60°C).

Dimensions: 17.7" Dia × 15.8" H.

Installation & Mounting

Standard Hardware: Ships standard with a J-hook mounting accessory.

Wiring: Includes a factory-installed 6-foot cord for input and dimming wires.

Recommended Mounting Heights: Optimized for 40'+ mounting heights.

Accessories (Sold Separately):

• Mounting Brackets: KT-RHLED-SM-3-KIT/G2 (Surface Mount Kit) | KT-RHLED-JBOX-PM/G2 (Pendant Mount J-Box)
• Reflectors: KT-RHLED-AR90-3-KIT/G2 (Aluminum Dome Reflector) | KT-RHLED-CL90-3-KIT/G2 (Clear Polycarbonate Reflector)
• Wire Guards: KT-RHLED-WG-3-KIT/G2 (Wire Guard Kit)
• Sensors & Controls: KTS-MW3-12V-PKO (Microwave Sensor) | KTS-PIR3-12V-PKO/G2 (PIR Sensor) | KTSL-FC3-12V-PKO-PIR (SmartLoop Bluetooth Controller) | KTS-MW3-REMOTECONTROL (Handheld Remote)

Certifications & Rebates

• DLC Premium: Qualifies for commercial lighting utility rebate programs nationwide
• cULus Listed: Certified for wet locations
• TAA Compliant: Approved for U.S. federal government, military, and municipal procurement under the Trade Agreements Act

Typical Applications

• High Ambient Environments — enlarged driver spacer and diecast heatsink allow for reliable operation in extreme temperatures up to 140°F (60°C)
• Commercial & Industrial High Bays — high power lumen output optimized for applications requiring 40'+ mounting heights
• Federal & Municipal Facilities — TAA compliance qualifies fixture for U.S. government procurement contracts
• Wet Locations — cULus Listed Wet Location rating and IP65 enclosure protect against moisture and dust

What's Included

• Keystone KT-RHLED400PS-18C-8CSD-VDIM-P/TAA UFO LED high bay fixture — Black
• Pre-installed ribbed polycarbonate lens
• J-hook mounting accessory
• Factory-installed 6-foot cord for input and dimming wires