Keystone KT-HBLED420 XFiT Linear High Bay — 420W — 4000K — White

The Keystone KT-HBLED420-4F-840-VDIM-P/G2 is a commercial XFiT linear high bay engineered to deliver up to 63,000 lumens with a dedicated 420W wattage setting and a 4000K color temperature. Operating on 120-277V electrical systems with 0–10V continuous dimming, 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 1/2" threaded receptacle for easy screw-in sensor installation.

Key Features

• Maximum Lumen Output: 63,000 lm at 420W
• Peak Efficacy: 150 lm/W for high-efficiency commercial operation
• CRI: >80 color rendering
• Color Temperature: Dedicated 4000K CCT
• Lens & Optics: Frosted lens eliminates glare
• Dimming: 0–10V continuous dimming standard
• Voltage: Universal 120-277V AC
• Location Rating: UL Listed (1598) for dry and damp locations
• Operating Temperature: −4°F (−20°C) to 122°F (50°C) ambient range
• Certifications: DLC Premium, UL Listed, RoHS Compliant
• Rated Life: L70 >100,000 hours at 77°F (25°C) ambient
• Warranty: 10-year limited warranty — Keystone Technologies
• Sensor Compatibility: Built-in 1/2" threaded receptacle designed to accept easy screw-in installation of optional sensors

Performance & Light Output

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

Smart & Control Features

The KT-HBLED420 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.
• Keystone SmartPort Compatibility (Accessory): Accepts field-installable screw-in microwave or PIR occupancy sensors via the integrated 1/2" threaded receptacle in the driver cover.
• 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 120-277V AC. Delivers high electrical efficiency with a Power Factor >0.90 and Total Harmonic Distortion (THD) <20%. Includes pre-wired 0–10V dimming leads with 12V Aux. RoHS compliant.

Construction

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

Lens & Optics: Features a frosted 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: 46.50" L × 22.91" W × 2.40" H.

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-1-KIT (Pendant Mount Kit) | KT-HBLED-SM-1-KIT (Surface Mount Kit) | KT-HBLED-CABLE-KIT (Aircraft Cable Hanging Kit)
• Wire Guards: KT-HBLED-WG-6-KIT/G2 (Wire Guard)
• Emergency Battery Backup: KT-EMRG-LED-20SD-2000-EN/DF (20W Emergency Backup) | KT-HBLED-EM-BR-KIT (Mounting Bracket)
• 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)
• Step-Down Transformers: KTAT-250-480-277/SF (480V to 277V Transformer)
• Cord Sets: KT-CS-515P-6-18/3 (125V NEMA 5-15P Cord Set)

Certifications & Rebates

• DLC Premium: Qualifies for commercial lighting utility rebate programs nationwide (DLC ID: S-B67P3Z)
• UL Listed: Certified for dry and damp locations per UL 1598 standards for commercial luminaires
• RoHS Compliant: Manufactured free of lead, mercury, and hazardous heavy metals

Typical Applications

• 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 — dedicated 4000K CCT ensures consistent color rendering for visual task accuracy

What's Included

• Keystone KT-HBLED420-4F-840-VDIM-P/G2 XFiT Linear LED High Bay — White
• V-hooks and chain mounting accessories
• Installation and operation instructions