Keystone 4FT LED Linear High Bay 40,770 Lumens 270W 5000K 120–277V Frosted

Keystone KT-HBLED270-4F-850-VDIM-P /G2 (JWQ-53) 4FT Linear LED High Bay — 270W, 120–277V

The Keystone KT-HBLED270-4F-850-VDIM-P /G2 is a 4FT LED linear high bay delivering approximately 40,770 lumens at 5000K with a frosted lens for balanced illumination. Operating on 120–277V, this fixture features a 0–10V dimming driver and architectural industrial design. It is UL 1598 Listed for dry and damp locations and backed by a 10-year limited warranty.

Key Features:

• Easy Code: JWQ-53
• Wattage: 270W
• Delivered Lumens: ~40,770
• Color Temperature: 5000K
• Voltage: 120–277V
• Dimming: 0–10V dimmable
• CRI: >80
• Power Factor: >0.90
• THD: <20%
• Lifetime: L70 >100,000 hrs
• Lens: Frosted PMMA diffuser
• Certifications: UL Listed 1598, DLC Premium
• Location Rating: Dry / Damp
• Operating Temp: –4°F to +122°F (–20°C to +50°C)
• Warranty: 10-Year Limited Warranty

Typical Applications:

• Warehouses
• Manufacturing facilities
• Distribution centers
• Gymnasiums
• Indoor commercial spaces

Performance & Light Output:
Produces approximately 40,770 lumens at 5000K with ~151 lm/W efficacy.

Electrical & Controls:
Operates on 120–277V with a 0–10V dimmable driver. Power factor exceeds 0.90 and THD is below 20%. Accepts Keystone Smart Port sensors via integrated receptacle.

Construction & Durability:
Steel housing with frosted diffuser to reduce glare. UL 1598 Listed for dry and damp environments. LED lifetime L70 >100,000 hrs. Backed by a 10-year limited warranty.

Installation & Mounting:
Includes V-hook and chain hardware. Optional pendant, surface or cable mount kits are available (sold separately).

Included:
LED high bay fixture with frosted lens, V-hooks, and chain hardware.

Accessories
Optional accessories include aircraft cable kits, pendant mount kits, surface mount kits, wire guard kits, PIR occupancy sensors, Smart Port sensor options, and emergency battery backup kits (model dependent).