Keystone KT-HBLED400PS Color & Power Select XFiT Linear High Bay — 400/350/320W Selectable — 4000K/5000K — 277-480V — White

The Keystone KT-HBLED400PSHV-4G-8CSD-VDIM/G3 is a commercial XFiT linear high bay engineered to deliver up to 68,800 lumens with field-adjustable 400W / 350W / 320W Power Select wattage settings and switchable 4000K / 5000K Color Select color temperatures. Operating on 277-480V electrical systems with 0–10V continuous dimming (dim-to-off), this luminaire provides energy-efficient, high-performance illumination. Built with a damp location rating and UL Listing, it is qualified for commercial utility rebates under DLC Premium standards and features an integrated receptacle for easy screw-in sensor installation.

Key Features

• Selectable Wattage: 400W / 350W / 320W — field-adjustable via onboard Power Select switch
• Maximum Lumen Output: 68,800 lm at 400W
• Peak Efficacy: Up to 175 lm/W for high-efficiency commercial operation
• CRI: >80 color rendering
• Selectable CCT: 4000K / 5000K — field-adjustable via onboard Color Select switch
• Lens & Optics: Frosted polycarbonate lens eliminates glare and provides low optical flicker
• Dimming: 0–10V continuous dimming standard (dims to 10% then dim-to-off)
• Voltage: 277-480V AC
• Location Rating: UL Listed (1598) for damp locations
• Operating Temperature: −4°F (−20°C) to 122°F (50°C) ambient range
• Certifications: DLC Premium, UL Listed, FCC Part 15 Class A, RoHS Compliant, TAA options available
• Rated Life: L70 >100,000 hours at 77°F (25°C) ambient
• Warranty: 10-year limited warranty — Keystone Technologies
• Sensor Compatibility: Sensor receptacle designed to accept easy screw-in installation of optional sensors

Performance & Light Output

At 400W: 68,800 lm (4000K / 172 lm/W), 67,200 lm (5000K / 168 lm/W).

At 350W: 60,600 lm (4000K / 173 lm/W), 59,400 lm (5000K / 170 lm/W).

At 320W: 56,000 lm (4000K / 175 lm/W), 54,800 lm (5000K / 171 lm/W).

CRI >80 across all configurations. Rated life 100,000 hours (L70). Delivers high-performance illumination for commercial and industrial high bay applications.

Smart & Control Features

The KT-HBLED400PS features an integrated low-voltage control receptacle supporting modular sensing and automated facility lighting control:

• 0–10V Continuous Dimming (Standard): Standard dimming control compatible with commercial 0–10V dimmers (dims to 10% then dim-to-off).
• Keystone SmartPort Compatibility (Accessory): Accepts field-installable screw-in microwave or PIR occupancy sensors via the integrated receptacle without opening the internal driver compartment.
• SmartLoop Wireless Mesh (Accessory): Compatible with Keystone SmartLoop Bluetooth mesh controllers for wireless group control, automated scheduling, and occupancy sensing.

Compatible plug-and-play sensors include the KTS-MW3-12V-PKO (Microwave Sensor), KTS-PIR3-12V-PKO/G2 (PIR Sensor), and KTSL-FC3-12V-PKO-PIR (SmartLoop Bluetooth Controller) — sold separately. Field sensor adjustments can also be managed using an optional handheld wireless remote (catalog # KTS-MW3-REMOTECONTROL, sold separately).

Electrical

Powered by a constant current driver operating on 277-480V AC. Integrated 6kV surge protection protects internal electronics against transient voltage spikes. Includes pre-wired 0–10V dimming leads. Meets FCC Part 15, Part B, Class A standards for conducted and radiated emissions. RoHS compliant.

Construction

Housing & Thermal: Architectural grade compact bent steel housing engineered for reliable installation in commercial and industrial settings.

Lens & Optics: Features a frosted polycarbonate lens to eliminate glare.

Finish: Commercial finish in White.

Environmental Sealing: UL Listed for damp locations. Ambient operating temperature range: −4°F (−20°C) to 122°F (50°C).

Dimensions & Weight: 46.06" L × 15.16" W × 2.09" H. Fixture weight: 16.5 lbs.

Installation & Mounting

Standard Hardware: Ships standard with V-hook and chain mounting accessories.

Mounting Options: Compatible with rigid pendant mounting via pendant mount kits and direct surface mounting via surface mount kits (sold separately).

Accessories (Sold Separately):

• Mounting Brackets: KT-HBLED-PM-3/4G-KIT (Pendant Mount Kit) | KT-HBLED-SM-3/4G-KIT (Surface Mount Kit)
• Wire Guards: KT-HBLED-WG-4G-KIT (Wire Guard)
• 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 (Remote Control)
• Emergency Battery Backup: KT-EMRG-LED-10BC-1000-EN3/DF (10W Emergency Backup) | KT-HBLED-EM-BR-G-KIT (Mounting Bracket)

Certifications & Rebates

• DLC Premium: Qualifies for commercial lighting utility rebate programs nationwide
• UL Listed: Certified for damp locations per UL 1598 standards for commercial luminaires
• FCC Part 15, Class A: Certified for commercial and industrial electromagnetic interference immunity
• TAA Compliant: Available as compliant with the Trade Agreements Act (upon request)

Typical Applications

• Federal & Municipal Facilities — TAA compliance qualifies fixture for U.S. government and GSA schedule procurement contracts
• Open Warehouse Floors — high-lumen linear form factor provides broad, uniform footcandle distribution across large racking aisles and open spaces
• Covered Loading Docks & Canopies — UL Damp Location listing protects against airborne moisture and dust in partially exposed environments
• Unconditioned Warehouses & Cold Storage — −4°F (−20°C) minimum ambient temperature rating supports reliable ignition in freezing environments
• Precision Assembly & Workshops — selectable 4000K/5000K CCT allows illumination tuning for visual task accuracy

What's Included

• Keystone KT-HBLED400PSHV-4G-8CSD-VDIM/G3 XFiT Linear LED High Bay — White
• V-hooks and chain mounting accessories
• Installation and operation instructions